add Publish Immutable Action (#627)

* Remove logic for azureedge.net fallback in preparation for install script changes (v3)

* remove fallback in index.js

* fix ci

* add updated install scripts

* Update e2e-tests.yml

* Update e2e-tests.yml to remove outdated URLs in workflow

* Fix audit issues

* Revert audit fixes for heap memory failures

---------

Co-authored-by: HarithaVattikuti <73516759+HarithaVattikuti@users.noreply.github.com>

.github/workflows/basic-validation.yml

@@ -15,5 +15,3 @@ jobs:
   call-basic-validation:
     name: Basic validation
     uses: actions/reusable-workflows/.github/workflows/basic-validation.yml@main
-    with:
-      node-version: '20'

.github/workflows/check-dist.yml

@@ -15,5 +15,3 @@ jobs:
   call-check-dist:
     name: Check dist/
     uses: actions/reusable-workflows/.github/workflows/check-dist.yml@main
-    with:
-      node-version: '20'

.github/workflows/e2e-tests.yml

@@ -17,10 +17,10 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        operating-system: [ubuntu-latest, windows-latest, macos-13]
+        operating-system: [ubuntu-22.04, windows-latest, macOS-latest]
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v3
       - name: Clear toolcache
         shell: pwsh
         run: __tests__/clear-toolcache.ps1 ${{ runner.os }}
@@ -40,10 +40,10 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        operating-system: [ubuntu-latest, windows-latest, macos-13]
+        operating-system: [ubuntu-22.04, windows-latest, macos-13]
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v3
       - name: Clear toolcache
         shell: pwsh
         run: __tests__/clear-toolcache.ps1 ${{ runner.os }}
@@ -69,10 +69,10 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        operating-system: [ubuntu-latest, windows-latest, macos-13]
+        operating-system: [ubuntu-22.04, windows-latest, macOS-latest]
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v3
       - name: Clear toolcache
         shell: pwsh
         run: __tests__/clear-toolcache.ps1 ${{ runner.os }}
@@ -94,10 +94,10 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        operating-system: [ubuntu-latest, windows-latest, macos-13]
+        operating-system: [ubuntu-22.04, windows-latest, macos-13]
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v3
       - name: Clear toolcache
         shell: pwsh
         run: __tests__/clear-toolcache.ps1 ${{ runner.os }}
@@ -114,10 +114,10 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        operating-system: [ubuntu-latest, windows-latest, macos-13]
+        operating-system: [ubuntu-22.04, windows-latest, macOS-latest]
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v3
       - name: Clear toolcache
         shell: pwsh
         run: __tests__/clear-toolcache.ps1 ${{ runner.os }}
@@ -138,10 +138,10 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        operating-system: [ubuntu-latest, windows-latest, macos-13]
+        operating-system: [ubuntu-22.04, windows-latest, macOS-latest]
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v3
       - name: Clear toolcache
         shell: pwsh
         run: __tests__/clear-toolcache.ps1 ${{ runner.os }}
@@ -159,10 +159,10 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        operating-system: [ubuntu-latest, windows-latest, macos-13]
+        operating-system: [ubuntu-22.04, windows-latest, macOS-latest]
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v3
       - name: Clear toolcache
         shell: pwsh
         run: __tests__/clear-toolcache.ps1 ${{ runner.os }}
@@ -183,10 +183,10 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        operating-system: [ubuntu-latest, windows-latest, macos-13]
+        operating-system: [ubuntu-22.04, windows-latest, macOS-latest]
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v3
       - name: Clear toolcache
         shell: pwsh
         run: __tests__/clear-toolcache.ps1 ${{ runner.os }}
@@ -209,10 +209,10 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        operating-system: [ubuntu-latest, windows-latest, macos-13]
+        operating-system: [ubuntu-22.04, windows-latest, macOS-latest]
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v3
       - name: Clear toolcache
         shell: pwsh
         run: __tests__/clear-toolcache.ps1 ${{ runner.os }}
@@ -229,40 +229,15 @@ jobs:
         shell: pwsh
         run: __tests__/verify-dotnet.ps1 -Patterns "^2.2"
 
-  test-global-json-with-comments:
-    runs-on: ${{ matrix.operating-system }}
-    strategy:
-      fail-fast: false
-      matrix:
-        operating-system: [ubuntu-latest, windows-latest, macos-13]
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v4
-      - name: Clear toolcache
-        shell: pwsh
-        run: __tests__/clear-toolcache.ps1 ${{ runner.os }}
-      - name: Write global.json
-        shell: bash
-        run: |
-          mkdir subdirectory
-          echo '/* should support comments */ {"sdk":{"version": "2.2.207","rollForward": "latestFeature"}} // should support comments' > ./subdirectory/global.json
-      - name: Setup dotnet
-        uses: ./
-        with:
-          global-json-file: ./subdirectory/global.json
-      - name: Verify dotnet
-        shell: pwsh
-        run: __tests__/verify-dotnet.ps1 -Patterns "^2.2"
-
   test-setup-with-dotnet-quality:
     runs-on: ${{ matrix.operating-system }}
     strategy:
       fail-fast: false
       matrix:
-        operating-system: [ubuntu-latest, windows-latest, macos-13]
+        operating-system: [ubuntu-22.04, windows-latest, macOS-latest]
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v3
       - name: Clear toolcache
         shell: pwsh
         run: __tests__/clear-toolcache.ps1 ${{ runner.os }}
@@ -281,12 +256,12 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        operating-system: [ubuntu-latest, windows-latest, macos-13]
+        operating-system: [ubuntu-22.04, windows-latest, macos-latest]
     env:
       NUGET_PACKAGES: ${{ github.workspace }}/.nuget/packages
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v3
       - name: Clear toolcache
         shell: pwsh
         run: __tests__/clear-toolcache.ps1 ${{ runner.os }}
@@ -312,12 +287,12 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        operating-system: [ubuntu-latest, windows-latest, macos-13]
+        operating-system: [ubuntu-22.04, windows-latest, macos-latest]
     env:
       NUGET_PACKAGES: ${{ github.workspace }}/.nuget/packages
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v3
       - name: Clear toolcache
         shell: pwsh
         run: __tests__/clear-toolcache.ps1 ${{ runner.os }}
@@ -341,10 +316,10 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        operating-system: [ubuntu-latest, windows-latest, macos-13]
+        operating-system: [ubuntu-22.04, windows-latest, macOS-latest]
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v3
       - name: Clear toolcache
         shell: pwsh
         run: __tests__/clear-toolcache.ps1 ${{ runner.os }}
@@ -367,10 +342,10 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        operating-system: [ubuntu-latest, windows-latest, macos-13]
+        operating-system: [ubuntu-22.04, windows-latest, macOS-latest]
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v3
       - name: Clear toolcache
         shell: pwsh
         run: __tests__/clear-toolcache.ps1 ${{ runner.os }}
@@ -393,7 +368,7 @@ jobs:
   test-proxy:
     runs-on: ubuntu-22.04
     container:
-      image: ubuntu:22.04
+      image: ubuntu:latest
       options: --dns 127.0.0.1
     services:
       squid-proxy:
@@ -405,7 +380,7 @@ jobs:
       http_proxy: http://squid-proxy:3128
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v3
       - name: Install Powershell
         run: |
           apt-get update
@@ -431,13 +406,13 @@ jobs:
           __tests__/verify-dotnet.ps1 -Patterns "^6.0" -CheckNugetConfig
 
   test-bypass-proxy:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
     env:
       https_proxy: http://no-such-proxy:3128
-      no_proxy: github.com,dotnetcli.blob.core.windows.net,download.visualstudio.microsoft.com,api.nuget.org,dotnetcli.azureedge.net
+      no_proxy: github.com,download.visualstudio.microsoft.com,api.nuget.org,builds.dotnet.microsoft.com,ci.dot.net
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v3
       - name: Clear toolcache
         shell: pwsh
         run: __tests__/clear-toolcache.ps1 ${{ runner.os }}
@@ -451,33 +426,3 @@ jobs:
       - name: Verify dotnet
         shell: pwsh
         run: __tests__/verify-dotnet.ps1 -Patterns "^3.1.201$" -CheckNugetConfig
-
-  test-sequential-version-installation:
-    runs-on: ${{ matrix.operating-system }}
-    strategy:
-      fail-fast: false
-      matrix:
-        operating-system: [ubuntu-latest, windows-latest, macos-13]
-        lower-version: ['3.1.426']
-        higher-version: ['7.0.203']
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v4
-      - name: Clear toolcache
-        shell: pwsh
-        run: __tests__/clear-toolcache.ps1 ${{ runner.os }}
-      # Install one version, use it for something, then switch to next version
-      - name: Setup dotnet (lower version)
-        uses: ./
-        with:
-          dotnet-version: ${{ matrix.lower-version }}
-      - name: Verify dotnet (lower version)
-        shell: pwsh
-        run: __tests__/verify-dotnet.ps1 -Patterns "^${{ matrix.lower-version }}$"
-      - name: Setup dotnet (higher version)
-        uses: ./
-        with:
-          dotnet-version: ${{ matrix.higher-version }}
-      - name: Verify dotnet (higher version)
-        shell: pwsh
-        run: __tests__/verify-dotnet.ps1 -Patterns "^${{ matrix.lower-version }}$", "^${{ matrix.higher-version }}$"

.github/workflows/publish-immutable-actions.yml

@@ -0,0 +1,20 @@
+name: 'Publish Immutable Action Version'
+
+on:
+  release:
+    types: [published]
+
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      id-token: write
+      packages: write
+
+    steps:
+      - name: Checking out
+        uses: actions/checkout@v4
+      - name: Publish
+        id: publish
+        uses: actions/publish-immutable-action@v0.0.4

.github/workflows/test-dotnet.yml

@@ -17,11 +17,11 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        operating-system: [ubuntu-latest, windows-latest, macos-13]
+        operating-system: [ubuntu-22.04, windows-latest, macOS-latest]
         dotnet-version: ['2.1', '2.2', '3.0', '3.1', '5.0', '6.0', '7.0', '8.0']
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v3
       - name: Clear toolcache
         shell: pwsh
         run: __tests__/clear-toolcache.ps1 ${{ runner.os }}

README.md

@@ -12,7 +12,7 @@ This action sets up a [.NET CLI](https://github.com/dotnet/sdk) environment for
 > **Note**: GitHub hosted runners have some versions of the .NET SDK
 preinstalled. Installed versions are subject to change. Please refer to the
 documentation:
-[Software installed on github hosted runners](https://docs.github.com/en/actions/using-github-hosted-runners/about-github-hosted-runners/about-github-hosted-runners#supported-software)
+[Software installed on github hosted runners](https://docs.github.com/en/actions/using-github-hosted-runners/about-github-hosted-runners#supported-software)
 for .NET SDK versions that are currently available.
 
 ## Usage
@@ -22,20 +22,20 @@ See [action.yml](action.yml)
 **Basic**:
 ```yaml
 steps:
-- uses: actions/checkout@v4
+- uses: actions/checkout@v3
-- uses: actions/setup-dotnet@v4
+- uses: actions/setup-dotnet@v3
   with:
     dotnet-version: '3.1.x'
 - run: dotnet build <my project>
 ```
-> **Warning**: Unless a concrete version is specified in the [`global.json`](https://learn.microsoft.com/en-us/dotnet/core/tools/global-json) file, **_the latest .NET version installed on the runner (including preinstalled versions) will be used [by default](https://learn.microsoft.com/en-us/dotnet/core/versions/selection#the-sdk-uses-the-latest-installed-version)_**. Please refer to the [documentation](https://docs.github.com/en/actions/using-github-hosted-runners/about-github-hosted-runners/about-github-hosted-runners#supported-software) for the currently preinstalled .NET SDK versions.
+> **Warning**: Unless a concrete version is specified in the [`global.json`](https://learn.microsoft.com/en-us/dotnet/core/tools/global-json) file, **_the latest .NET version installed on the runner (including preinstalled versions) will be used [by default](https://learn.microsoft.com/en-us/dotnet/core/versions/selection#the-sdk-uses-the-latest-installed-version)_**. Please refer to the [documentation](https://docs.github.com/en/actions/using-github-hosted-runners/about-github-hosted-runners#supported-software) for the currently preinstalled .NET SDK versions.
 
 **Multiple version installation**:
 ```yml
 steps:
-- uses: actions/checkout@v4
+- uses: actions/checkout@v3
 - name: Setup dotnet
-  uses: actions/setup-dotnet@v4
+  uses: actions/setup-dotnet@v3
   with:
     dotnet-version: | 
       3.1.x
@@ -59,8 +59,8 @@ This input sets up the action to install the latest build of the specified quali
 
 ```yml
 steps:
-- uses: actions/checkout@v4
+- uses: actions/checkout@v3
-- uses: actions/setup-dotnet@v4
+- uses: actions/setup-dotnet@v3
   with:
     dotnet-version: '6.0.x'
     dotnet-quality: 'preview'
@@ -74,8 +74,8 @@ steps:
 
 ```yml
 steps:
-- uses: actions/checkout@v4
+- uses: actions/checkout@v3
-- uses: actions/setup-dotnet@v4
+- uses: actions/setup-dotnet@v3
   with:
     global-json-file: csharp/global.json
 - run: dotnet build <my project>
@@ -91,8 +91,8 @@ The action searches for [NuGet Lock files](https://learn.microsoft.com/nuget/con
 
 ```yaml
 steps:
-- uses: actions/checkout@v4
+- uses: actions/checkout@v3
-- uses: actions/setup-dotnet@v4
+- uses: actions/setup-dotnet@v3
   with:
     dotnet-version: 6.x
     cache: true
@@ -116,8 +116,8 @@ steps:
 env:
   NUGET_PACKAGES: ${{ github.workspace }}/.nuget/packages
 steps:
-- uses: actions/checkout@v4
+- uses: actions/checkout@v3
-- uses: actions/setup-dotnet@v4
+- uses: actions/setup-dotnet@v3
   with:
     dotnet-version: 6.x
     cache: true
@@ -130,8 +130,8 @@ steps:
 env:
   NUGET_PACKAGES: ${{ github.workspace }}/.nuget/packages
 steps:
-- uses: actions/checkout@v4
+- uses: actions/checkout@v3
-- uses: actions/setup-dotnet@v4
+- uses: actions/setup-dotnet@v3
   with:
     dotnet-version: 6.x
     cache: true
@@ -150,9 +150,9 @@ jobs:
         dotnet: [ '2.1.x', '3.1.x', '5.0.x' ]
     name: Dotnet ${{ matrix.dotnet }} sample
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v3
       - name: Setup dotnet
-        uses: actions/setup-dotnet@v4
+        uses: actions/setup-dotnet@v3
         with:
           dotnet-version: ${{ matrix.dotnet }}
       - name: Execute dotnet
@@ -170,9 +170,9 @@ jobs:
         dotnet: [ '2.1.x', '3.1.x', '5.0.x' ]
     name: Dotnet ${{ matrix.dotnet }} sample
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v3
       - name: Setup dotnet
-        uses: actions/setup-dotnet@v4
+        uses: actions/setup-dotnet@v3
         id: stepid
         with:
           dotnet-version: ${{ matrix.dotnet }}
@@ -186,8 +186,8 @@ jobs:
 ### Github Package Registry (GPR)
 ```yml
 steps:
-- uses: actions/checkout@v4
+- uses: actions/checkout@v3
-- uses: actions/setup-dotnet@v4
+- uses: actions/setup-dotnet@v3
   with:
     dotnet-version: '3.1.x'
     source-url: https://nuget.pkg.github.com/<owner>/index.json
@@ -202,7 +202,7 @@ steps:
 
 ### Azure Artifacts
 ```yml
-- uses: actions/setup-dotnet@v4
+- uses: actions/setup-dotnet@v3
   with:
     source-url: https://pkgs.dev.azure.com/<your-organization>/_packaging/<your-feed-name>/nuget/v3/index.json
   env:
@@ -213,7 +213,7 @@ steps:
 
 ### nuget.org
 ```yml
-- uses: actions/setup-dotnet@v4
+- uses: actions/setup-dotnet@v3
   with:
     dotnet-version: 3.1.x
 - name: Publish the package to nuget.org
@@ -236,7 +236,7 @@ Using the **dotnet-version** output it's possible to get the installed by the ac
 In case of a single version installation, the `dotnet-version` output contains the version that is installed by the action.
 
 ```yaml
-    - uses: actions/setup-dotnet@v4
+    - uses: actions/setup-dotnet@v3
       id: stepid
       with:
         dotnet-version: 3.1.422
@@ -248,7 +248,7 @@ In case of a single version installation, the `dotnet-version` output contains t
 In case of a multiple version installation, the `dotnet-version` output contains the latest version that is installed by the action.
 
 ```yaml
-    - uses: actions/setup-dotnet@v4
+    - uses: actions/setup-dotnet@v3
       id: stepid
       with:
         dotnet-version: | 
@@ -261,7 +261,7 @@ In case of a multiple version installation, the `dotnet-version` output contains
 When the `dotnet-version` input is used along with the `global-json-file` input, the `dotnet-version` output contains the version resolved from the `global.json`.
 
 ```yaml
-    - uses: actions/setup-dotnet@v4
+    - uses: actions/setup-dotnet@v3
       id: stepid
       with:
         dotnet-version: | 
@@ -302,7 +302,7 @@ build:
     NUGET_PACKAGES: ${{ github.workspace }}/.nuget/packages
   steps:
     - uses: actions/checkout@main
-    - uses: actions/setup-dotnet@v4
+    - uses: actions/setup-dotnet@v3
       with:
         dotnet-version: '3.1.x'
         cache: true

__tests__/__snapshots__/authutil.test.ts.snap

@@ -1,184 +1,184 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
 exports[`authutil tests existing config not in repo root, sets up a partial NuGet.config user/PAT for GPR 1`] = `
-"<?xml version="1.0"?>
+"<?xml version=\\"1.0\\"?>
 <configuration>
   <config>
-    <add key="defaultPushSource" value="https://nuget.pkg.github.com/OwnerName/index.json"/>
+    <add key=\\"defaultPushSource\\" value=\\"https://nuget.pkg.github.com/OwnerName/index.json\\"/>
   </config>
   <packageSourceCredentials>
     <GPR>
-      <add key="Username" value="OwnerName"/>
+      <add key=\\"Username\\" value=\\"OwnerName\\"/>
-      <add key="ClearTextPassword" value="TEST_FAKE_AUTH_TOKEN"/>
+      <add key=\\"ClearTextPassword\\" value=\\"TEST_FAKE_AUTH_TOKEN\\"/>
     </GPR>
   </packageSourceCredentials>
 </configuration>"
 `;
 
 exports[`authutil tests existing config w/ Azure Artifacts source and NuGet.org, sets up a partial NuGet.config user/PAT for GPR 1`] = `
-"<?xml version="1.0"?>
+"<?xml version=\\"1.0\\"?>
 <configuration>
   <config>
-    <add key="defaultPushSource" value="https://pkgs.dev.azure.com/amullans/_packaging/GitHubBuilds/nuget/v3/index.json"/>
+    <add key=\\"defaultPushSource\\" value=\\"https://pkgs.dev.azure.com/amullans/_packaging/GitHubBuilds/nuget/v3/index.json\\"/>
   </config>
   <packageSourceCredentials>
     <AzureArtifacts>
-      <add key="Username" value="OwnerName"/>
+      <add key=\\"Username\\" value=\\"OwnerName\\"/>
-      <add key="ClearTextPassword" value="TEST_FAKE_AUTH_TOKEN"/>
+      <add key=\\"ClearTextPassword\\" value=\\"TEST_FAKE_AUTH_TOKEN\\"/>
     </AzureArtifacts>
   </packageSourceCredentials>
 </configuration>"
 `;
 
 exports[`authutil tests existing config w/ GPR source and NuGet.org, sets up a partial NuGet.config user/PAT for GPR 1`] = `
-"<?xml version="1.0"?>
+"<?xml version=\\"1.0\\"?>
 <configuration>
   <config>
-    <add key="defaultPushSource" value="https://nuget.pkg.github.com/OwnerName/index.json"/>
+    <add key=\\"defaultPushSource\\" value=\\"https://nuget.pkg.github.com/OwnerName/index.json\\"/>
   </config>
   <packageSourceCredentials>
     <GPR>
-      <add key="Username" value="OwnerName"/>
+      <add key=\\"Username\\" value=\\"OwnerName\\"/>
-      <add key="ClearTextPassword" value="TEST_FAKE_AUTH_TOKEN"/>
+      <add key=\\"ClearTextPassword\\" value=\\"TEST_FAKE_AUTH_TOKEN\\"/>
     </GPR>
   </packageSourceCredentials>
 </configuration>"
 `;
 
 exports[`authutil tests existing config w/ no GPR sources, sets up a full NuGet.config with URL and user/PAT for GPR 1`] = `
-"<?xml version="1.0"?>
+"<?xml version=\\"1.0\\"?>
 <configuration>
   <config>
-    <add key="defaultPushSource" value="https://nuget.pkg.github.com/OwnerName/index.json"/>
+    <add key=\\"defaultPushSource\\" value=\\"https://nuget.pkg.github.com/OwnerName/index.json\\"/>
   </config>
   <packageSources>
-    <add key="Source" value="https://nuget.pkg.github.com/OwnerName/index.json"/>
+    <add key=\\"Source\\" value=\\"https://nuget.pkg.github.com/OwnerName/index.json\\"/>
   </packageSources>
   <packageSourceCredentials>
     <Source>
-      <add key="Username" value="OwnerName"/>
+      <add key=\\"Username\\" value=\\"OwnerName\\"/>
-      <add key="ClearTextPassword" value="TEST_FAKE_AUTH_TOKEN"/>
+      <add key=\\"ClearTextPassword\\" value=\\"TEST_FAKE_AUTH_TOKEN\\"/>
     </Source>
   </packageSourceCredentials>
 </configuration>"
 `;
 
 exports[`authutil tests existing config w/ no sources, sets up a full NuGet.config with URL and user/PAT for GPR 1`] = `
-"<?xml version="1.0"?>
+"<?xml version=\\"1.0\\"?>
 <configuration>
   <config>
-    <add key="defaultPushSource" value="https://nuget.pkg.github.com/OwnerName/index.json"/>
+    <add key=\\"defaultPushSource\\" value=\\"https://nuget.pkg.github.com/OwnerName/index.json\\"/>
   </config>
   <packageSources>
-    <add key="Source" value="https://nuget.pkg.github.com/OwnerName/index.json"/>
+    <add key=\\"Source\\" value=\\"https://nuget.pkg.github.com/OwnerName/index.json\\"/>
   </packageSources>
   <packageSourceCredentials>
     <Source>
-      <add key="Username" value="OwnerName"/>
+      <add key=\\"Username\\" value=\\"OwnerName\\"/>
-      <add key="ClearTextPassword" value="TEST_FAKE_AUTH_TOKEN"/>
+      <add key=\\"ClearTextPassword\\" value=\\"TEST_FAKE_AUTH_TOKEN\\"/>
     </Source>
   </packageSourceCredentials>
 </configuration>"
 `;
 
 exports[`authutil tests existing config w/ only Azure Artifacts source, sets up a partial NuGet.config user/PAT for GPR 1`] = `
-"<?xml version="1.0"?>
+"<?xml version=\\"1.0\\"?>
 <configuration>
   <config>
-    <add key="defaultPushSource" value="https://pkgs.dev.azure.com/amullans/_packaging/GitHubBuilds/nuget/v3/index.json"/>
+    <add key=\\"defaultPushSource\\" value=\\"https://pkgs.dev.azure.com/amullans/_packaging/GitHubBuilds/nuget/v3/index.json\\"/>
   </config>
   <packageSourceCredentials>
     <AzureArtifacts>
-      <add key="Username" value="OwnerName"/>
+      <add key=\\"Username\\" value=\\"OwnerName\\"/>
-      <add key="ClearTextPassword" value="TEST_FAKE_AUTH_TOKEN"/>
+      <add key=\\"ClearTextPassword\\" value=\\"TEST_FAKE_AUTH_TOKEN\\"/>
     </AzureArtifacts>
   </packageSourceCredentials>
 </configuration>"
 `;
 
 exports[`authutil tests existing config w/ only GPR source, sets up a partial NuGet.config user/PAT for GPR 1`] = `
-"<?xml version="1.0"?>
+"<?xml version=\\"1.0\\"?>
 <configuration>
   <config>
-    <add key="defaultPushSource" value="https://nuget.pkg.github.com/OwnerName/index.json"/>
+    <add key=\\"defaultPushSource\\" value=\\"https://nuget.pkg.github.com/OwnerName/index.json\\"/>
   </config>
   <packageSourceCredentials>
     <GPR>
-      <add key="Username" value="OwnerName"/>
+      <add key=\\"Username\\" value=\\"OwnerName\\"/>
-      <add key="ClearTextPassword" value="TEST_FAKE_AUTH_TOKEN"/>
+      <add key=\\"ClearTextPassword\\" value=\\"TEST_FAKE_AUTH_TOKEN\\"/>
     </GPR>
   </packageSourceCredentials>
 </configuration>"
 `;
 
 exports[`authutil tests existing config w/ two GPR sources, sets up a partial NuGet.config user/PAT for GPR 1`] = `
-"<?xml version="1.0"?>
+"<?xml version=\\"1.0\\"?>
 <configuration>
   <config>
-    <add key="defaultPushSource" value="https://nuget.pkg.github.com"/>
+    <add key=\\"defaultPushSource\\" value=\\"https://nuget.pkg.github.com\\"/>
   </config>
   <packageSourceCredentials>
     <GPR-GitHub>
-      <add key="Username" value="OwnerName"/>
+      <add key=\\"Username\\" value=\\"OwnerName\\"/>
-      <add key="ClearTextPassword" value="TEST_FAKE_AUTH_TOKEN"/>
+      <add key=\\"ClearTextPassword\\" value=\\"TEST_FAKE_AUTH_TOKEN\\"/>
     </GPR-GitHub>
     <GPR-Actions>
-      <add key="Username" value="OwnerName"/>
+      <add key=\\"Username\\" value=\\"OwnerName\\"/>
-      <add key="ClearTextPassword" value="TEST_FAKE_AUTH_TOKEN"/>
+      <add key=\\"ClearTextPassword\\" value=\\"TEST_FAKE_AUTH_TOKEN\\"/>
     </GPR-Actions>
   </packageSourceCredentials>
 </configuration>"
 `;
 
 exports[`authutil tests no existing config, sets up a full NuGet.config with URL and other owner/PAT for GPR 1`] = `
-"<?xml version="1.0"?>
+"<?xml version=\\"1.0\\"?>
 <configuration>
   <config>
-    <add key="defaultPushSource" value="https://nuget.pkg.github.com/otherorg/index.json"/>
+    <add key=\\"defaultPushSource\\" value=\\"https://nuget.pkg.github.com/otherorg/index.json\\"/>
   </config>
   <packageSources>
-    <add key="Source" value="https://nuget.pkg.github.com/otherorg/index.json"/>
+    <add key=\\"Source\\" value=\\"https://nuget.pkg.github.com/otherorg/index.json\\"/>
   </packageSources>
   <packageSourceCredentials>
     <Source>
-      <add key="Username" value="otherorg"/>
+      <add key=\\"Username\\" value=\\"otherorg\\"/>
-      <add key="ClearTextPassword" value="TEST_FAKE_AUTH_TOKEN"/>
+      <add key=\\"ClearTextPassword\\" value=\\"TEST_FAKE_AUTH_TOKEN\\"/>
     </Source>
   </packageSourceCredentials>
 </configuration>"
 `;
 
 exports[`authutil tests no existing config, sets up a full NuGet.config with URL and token for other source 1`] = `
-"<?xml version="1.0"?>
+"<?xml version=\\"1.0\\"?>
 <configuration>
   <config>
-    <add key="defaultPushSource" value="https://pkgs.dev.azure.com/amullans/_packaging/GitHubBuilds/nuget/v3/index.json"/>
+    <add key=\\"defaultPushSource\\" value=\\"https://pkgs.dev.azure.com/amullans/_packaging/GitHubBuilds/nuget/v3/index.json\\"/>
   </config>
   <packageSources>
-    <add key="Source" value="https://pkgs.dev.azure.com/amullans/_packaging/GitHubBuilds/nuget/v3/index.json"/>
+    <add key=\\"Source\\" value=\\"https://pkgs.dev.azure.com/amullans/_packaging/GitHubBuilds/nuget/v3/index.json\\"/>
   </packageSources>
   <packageSourceCredentials>
     <Source>
-      <add key="Username" value="OwnerName"/>
+      <add key=\\"Username\\" value=\\"OwnerName\\"/>
-      <add key="ClearTextPassword" value="TEST_FAKE_AUTH_TOKEN"/>
+      <add key=\\"ClearTextPassword\\" value=\\"TEST_FAKE_AUTH_TOKEN\\"/>
     </Source>
   </packageSourceCredentials>
 </configuration>"
 `;
 
 exports[`authutil tests no existing config, sets up a full NuGet.config with URL and user/PAT for GPR 1`] = `
-"<?xml version="1.0"?>
+"<?xml version=\\"1.0\\"?>
 <configuration>
   <config>
-    <add key="defaultPushSource" value="https://nuget.pkg.github.com/OwnerName/index.json"/>
+    <add key=\\"defaultPushSource\\" value=\\"https://nuget.pkg.github.com/OwnerName/index.json\\"/>
   </config>
   <packageSources>
-    <add key="Source" value="https://nuget.pkg.github.com/OwnerName/index.json"/>
+    <add key=\\"Source\\" value=\\"https://nuget.pkg.github.com/OwnerName/index.json\\"/>
   </packageSources>
   <packageSourceCredentials>
     <Source>
-      <add key="Username" value="OwnerName"/>
+      <add key=\\"Username\\" value=\\"OwnerName\\"/>
-      <add key="ClearTextPassword" value="TEST_FAKE_AUTH_TOKEN"/>
+      <add key=\\"ClearTextPassword\\" value=\\"TEST_FAKE_AUTH_TOKEN\\"/>
     </Source>
   </packageSourceCredentials>
 </configuration>"

__tests__/installer.test.ts

@@ -102,15 +102,8 @@ describe('installer tests', () => {
 
         await dotnetInstaller.installDotnet();
 
-        /**
-         * First time script would be called to
-         * install runtime, here we checking only the
-         * second one that installs actual SDK. i.e. 1
-         */
-        const callIndex = 1;
-
         const scriptArguments = (
-          getExecOutputSpy.mock.calls[callIndex][1] as string[]
+          getExecOutputSpy.mock.calls[0][1] as string[]
         ).join(' ');
         const expectedArgument = IS_WINDOWS
           ? `-Version ${inputVersion}`
@@ -192,15 +185,8 @@ describe('installer tests', () => {
 
           await dotnetInstaller.installDotnet();
 
-          /**
-           * First time script would be called to
-           * install runtime, here we checking only the
-           * second one that installs actual SDK. i.e. 1
-           */
-          const callIndex = 1;
-
           const scriptArguments = (
-            getExecOutputSpy.mock.calls[callIndex][1] as string[]
+            getExecOutputSpy.mock.calls[0][1] as string[]
           ).join(' ');
           const expectedArgument = IS_WINDOWS
             ? `-Quality ${inputQuality}`
@@ -232,15 +218,8 @@ describe('installer tests', () => {
 
           await dotnetInstaller.installDotnet();
 
-          /**
-           * First time script would be called to
-           * install runtime, here we checking only the
-           * second one that installs actual SDK. i.e. 1
-           */
-          const callIndex = 1;
-
           const scriptArguments = (
-            getExecOutputSpy.mock.calls[callIndex][1] as string[]
+            getExecOutputSpy.mock.calls[0][1] as string[]
           ).join(' ');
           const expectedArgument = IS_WINDOWS
             ? `-Channel 6.0`
@@ -273,15 +252,8 @@ describe('installer tests', () => {
 
           await dotnetInstaller.installDotnet();
 
-          /**
-           * First time script would be called to
-           * install runtime, here we checking only the
-           * second one that installs actual SDK. i.e. 1
-           */
-          const callIndex = 1;
-
           const scriptArguments = (
-            getExecOutputSpy.mock.calls[callIndex][1] as string[]
+            getExecOutputSpy.mock.calls[0][1] as string[]
           ).join(' ');
 
           expect(scriptArguments).toContain(
@@ -311,15 +283,8 @@ describe('installer tests', () => {
 
           await dotnetInstaller.installDotnet();
 
-          /**
-           * First time script would be called to
-           * install runtime, here we checking only the
-           * second one that installs actual SDK. i.e. 1
-           */
-          const callIndex = 1;
-
           const scriptArguments = (
-            getExecOutputSpy.mock.calls[callIndex][1] as string[]
+            getExecOutputSpy.mock.calls[0][1] as string[]
           ).join(' ');
 
           expect(scriptArguments).toContain(
@@ -332,14 +297,14 @@ describe('installer tests', () => {
     describe('addToPath() tests', () => {
       it(`should export DOTNET_ROOT env.var with value from DOTNET_INSTALL_DIR env.var`, async () => {
         process.env['DOTNET_INSTALL_DIR'] = 'fictitious/dotnet/install/dir';
-        installer.DotnetInstallDir.addToPath();
+        installer.DotnetCoreInstaller.addToPath();
         const dotnet_root = process.env['DOTNET_ROOT'];
         expect(dotnet_root).toBe(process.env['DOTNET_INSTALL_DIR']);
       });
 
       it(`should export value from DOTNET_INSTALL_DIR env.var to the PATH`, async () => {
         process.env['DOTNET_INSTALL_DIR'] = 'fictitious/dotnet/install/dir';
-        installer.DotnetInstallDir.addToPath();
+        installer.DotnetCoreInstaller.addToPath();
         const path = process.env['PATH'];
         expect(path).toContain(process.env['DOTNET_INSTALL_DIR']);
       });
@@ -347,7 +312,7 @@ describe('installer tests', () => {
   });
 
   describe('DotnetVersionResolver tests', () => {
-    describe('createDotnetVersion() tests', () => {
+    describe('createDotNetVersion() tests', () => {
       each([
         '3.1',
         '3.x',
@@ -364,7 +329,7 @@ describe('installer tests', () => {
             version
           );
           const versionObject =
-            await dotnetVersionResolver.createDotnetVersion();
+            await dotnetVersionResolver.createDotNetVersion();
 
           expect(!!versionObject.value).toBe(true);
         }
@@ -403,7 +368,7 @@ describe('installer tests', () => {
           );
 
           await expect(
-            async () => await dotnetVersionResolver.createDotnetVersion()
+            async () => await dotnetVersionResolver.createDotNetVersion()
           ).rejects.toThrow();
         }
       );
@@ -415,7 +380,7 @@ describe('installer tests', () => {
             version
           );
           const versionObject =
-            await dotnetVersionResolver.createDotnetVersion();
+            await dotnetVersionResolver.createDotNetVersion();
 
           expect(versionObject.type.toLowerCase().includes('channel')).toBe(
             true
@@ -430,7 +395,7 @@ describe('installer tests', () => {
             version
           );
           const versionObject =
-            await dotnetVersionResolver.createDotnetVersion();
+            await dotnetVersionResolver.createDotNetVersion();
 
           expect(versionObject.type.toLowerCase().includes('channel')).toBe(
             true
@@ -446,7 +411,7 @@ describe('installer tests', () => {
             version
           );
           const versionObject =
-            await dotnetVersionResolver.createDotnetVersion();
+            await dotnetVersionResolver.createDotNetVersion();
 
           expect(versionObject.type.toLowerCase().includes('version')).toBe(
             true
@@ -462,7 +427,7 @@ describe('installer tests', () => {
             version
           );
           const versionObject =
-            await dotnetVersionResolver.createDotnetVersion();
+            await dotnetVersionResolver.createDotNetVersion();
           const windowsRegEx = new RegExp(/^-(Version|Channel)/);
           const nonWindowsRegEx = new RegExp(/^--(version|channel)/);
 
@@ -482,7 +447,7 @@ describe('installer tests', () => {
           version
         );
         await expect(
-          async () => await dotnetVersionResolver.createDotnetVersion()
+          async () => await dotnetVersionResolver.createDotNetVersion()
         ).rejects.toThrow(
           `'dotnet-version' was supplied in invalid format: ${version}! The A.B.Cxx syntax is available since the .NET 5.0 release.`
         );

__tests__/setup-dotnet.test.ts

@@ -4,7 +4,7 @@ import semver from 'semver';
 import * as auth from '../src/authutil';
 
 import * as setup from '../src/setup-dotnet';
-import {DotnetCoreInstaller, DotnetInstallDir} from '../src/installer';
+import {DotnetCoreInstaller} from '../src/installer';
 import * as cacheUtils from '../src/cache-utils';
 import * as cacheRestore from '../src/cache-restore';
 
@@ -28,25 +28,22 @@ describe('setup-dotnet tests', () => {
     DotnetCoreInstaller.prototype,
     'installDotnet'
   );
-
+  const addToPathSpy = jest.spyOn(DotnetCoreInstaller, 'addToPath');
   const isCacheFeatureAvailableSpy = jest.spyOn(
     cacheUtils,
     'isCacheFeatureAvailable'
   );
   const restoreCacheSpy = jest.spyOn(cacheRestore, 'restoreCache');
   const configAuthenticationSpy = jest.spyOn(auth, 'configAuthentication');
-  const addToPathOriginal = DotnetInstallDir.addToPath;
 
   describe('run() tests', () => {
     beforeEach(() => {
-      DotnetInstallDir.addToPath = jest.fn();
       getMultilineInputSpy.mockImplementation(input => inputs[input as string]);
       getInputSpy.mockImplementation(input => inputs[input as string]);
       getBooleanInputSpy.mockImplementation(input => inputs[input as string]);
     });
 
     afterEach(() => {
-      DotnetInstallDir.addToPath = addToPathOriginal;
       jest.clearAllMocks();
       jest.resetAllMocks();
     });
@@ -107,9 +104,10 @@ describe('setup-dotnet tests', () => {
       inputs['dotnet-quality'] = '';
 
       installDotnetSpy.mockImplementation(() => Promise.resolve(''));
+      addToPathSpy.mockImplementation(() => {});
 
       await setup.run();
-      expect(DotnetInstallDir.addToPath).toHaveBeenCalledTimes(1);
+      expect(addToPathSpy).toHaveBeenCalledTimes(1);
     });
 
     it('should call auth.configAuthentication() if source-url input is provided', async () => {
@@ -150,9 +148,10 @@ describe('setup-dotnet tests', () => {
       installDotnetSpy.mockImplementation(() =>
         Promise.resolve(`${inputs['dotnet-version']}`)
       );
+      addToPathSpy.mockImplementation(() => {});
 
       await setup.run();
-      expect(DotnetInstallDir.addToPath).toHaveBeenCalledTimes(1);
+      expect(setOutputSpy).toHaveBeenCalledTimes(1);
     });
 
     it(`shouldn't call setOutput() if parsing dotnet-installer logs failed`, async () => {
@@ -160,6 +159,7 @@ describe('setup-dotnet tests', () => {
       const warningMessage = `Failed to output the installed version of .NET. The 'dotnet-version' output will not be set.`;
 
       installDotnetSpy.mockImplementation(() => Promise.resolve(null));
+      addToPathSpy.mockImplementation(() => {});
 
       await setup.run();
       expect(warningSpy).toHaveBeenCalledWith(warningMessage);
@@ -170,6 +170,8 @@ describe('setup-dotnet tests', () => {
       inputs['dotnet-version'] = [];
       const warningMessage = `The 'dotnet-version' output will not be set.`;
 
+      addToPathSpy.mockImplementation(() => {});
+
       await setup.run();
 
       expect(infoSpy).toHaveBeenCalledWith(warningMessage);
@@ -183,6 +185,7 @@ describe('setup-dotnet tests', () => {
       inputs['cache-dependency-path'] = 'fictitious.package.lock.json';
 
       installDotnetSpy.mockImplementation(() => Promise.resolve(''));
+      addToPathSpy.mockImplementation(() => {});
 
       isCacheFeatureAvailableSpy.mockImplementation(() => true);
       restoreCacheSpy.mockImplementation(() => Promise.resolve());
@@ -200,6 +203,7 @@ describe('setup-dotnet tests', () => {
       inputs['cache'] = false;
 
       installDotnetSpy.mockImplementation(() => Promise.resolve(''));
+      addToPathSpy.mockImplementation(() => {});
 
       isCacheFeatureAvailableSpy.mockImplementation(() => true);
       restoreCacheSpy.mockImplementation(() => Promise.resolve());
@@ -214,6 +218,7 @@ describe('setup-dotnet tests', () => {
       inputs['cache'] = true;
 
       installDotnetSpy.mockImplementation(() => Promise.resolve(''));
+      addToPathSpy.mockImplementation(() => {});
 
       isCacheFeatureAvailableSpy.mockImplementation(() => false);
       restoreCacheSpy.mockImplementation(() => Promise.resolve());

action.yml

@@ -30,7 +30,7 @@ outputs:
   dotnet-version:
     description: 'Contains the installed by action .NET SDK version for reuse.'
 runs:
-  using: 'node20'
+  using: 'node16'
   main: 'dist/setup/index.js'
   post: 'dist/cache-save/index.js'
   post-if: success()

externals/install-dotnet.ps1

@@ -72,14 +72,12 @@
 .PARAMETER Verbose
     Displays diagnostics information.
 .PARAMETER AzureFeed
-    Default: https://dotnetcli.azureedge.net/dotnet
+    Default: https://builds.dotnet.microsoft.com/dotnet
     For internal use only.
     Allows using a different storage to download SDK archives from.
-    This parameter is only used if $NoCdn is false.
 .PARAMETER UncachedFeed
     For internal use only.
     Allows using a different storage to download SDK archives from.
-    This parameter is only used if $NoCdn is true.
 .PARAMETER ProxyAddress
     If set, the installer will use the proxy when making web requests
 .PARAMETER ProxyUseDefaultCredentials
@@ -90,8 +88,6 @@
 .PARAMETER SkipNonVersionedFiles
     Default: false
     Skips installing non-versioned files if they already exist, such as dotnet.exe.
-.PARAMETER NoCdn
-    Disable downloading from the Azure CDN, and use the uncached feed directly.
 .PARAMETER JSonFile
     Determines the SDK version from a user specified global.json file
     Note: global.json must have a value for 'SDK:Version'
@@ -111,35 +107,34 @@
 #>
 [cmdletbinding()]
 param(
-   [string]$Channel="LTS",
+    [string]$Channel = "LTS",
-   [string]$Quality,
+    [string]$Quality,
-   [string]$Version="Latest",
+    [string]$Version = "Latest",
-   [switch]$Internal,
+    [switch]$Internal,
-   [string]$JSonFile,
+    [string]$JSonFile,
-   [Alias('i')][string]$InstallDir="<auto>",
+    [Alias('i')][string]$InstallDir = "<auto>",
-   [string]$Architecture="<auto>",
+    [string]$Architecture = "<auto>",
-   [string]$Runtime,
+    [string]$Runtime,
-   [Obsolete("This parameter may be removed in a future version of this script. The recommended alternative is '-Runtime dotnet'.")]
+    [Obsolete("This parameter may be removed in a future version of this script. The recommended alternative is '-Runtime dotnet'.")]
-   [switch]$SharedRuntime,
+    [switch]$SharedRuntime,
-   [switch]$DryRun,
+    [switch]$DryRun,
-   [switch]$NoPath,
+    [switch]$NoPath,
-   [string]$AzureFeed,
+    [string]$AzureFeed,
-   [string]$UncachedFeed,
+    [string]$UncachedFeed,
-   [string]$FeedCredential,
+    [string]$FeedCredential,
-   [string]$ProxyAddress,
+    [string]$ProxyAddress,
-   [switch]$ProxyUseDefaultCredentials,
+    [switch]$ProxyUseDefaultCredentials,
-   [string[]]$ProxyBypassList=@(),
+    [string[]]$ProxyBypassList = @(),
-   [switch]$SkipNonVersionedFiles,
+    [switch]$SkipNonVersionedFiles,
-   [switch]$NoCdn,
+    [int]$DownloadTimeout = 1200,
-   [int]$DownloadTimeout=1200,
+    [switch]$KeepZip,
-   [switch]$KeepZip,
+    [string]$ZipPath = [System.IO.Path]::combine([System.IO.Path]::GetTempPath(), [System.IO.Path]::GetRandomFileName()),
-   [string]$ZipPath=[System.IO.Path]::combine([System.IO.Path]::GetTempPath(), [System.IO.Path]::GetRandomFileName()),
+    [switch]$Help
-   [switch]$Help
 )
 
 Set-StrictMode -Version Latest
-$ErrorActionPreference="Stop"
+$ErrorActionPreference = "Stop"
-$ProgressPreference="SilentlyContinue"
+$ProgressPreference = "SilentlyContinue"
 
 function Say($str) {
     try {
@@ -186,7 +181,7 @@ function Say-Verbose($str) {
 function Measure-Action($name, $block) {
     $time = Measure-Command $block
     $totalSeconds = $time.TotalSeconds
-    Say-Verbose "⏱ Action '$name' took $totalSeconds seconds"
+    Say-Verbose "Action '$name' took $totalSeconds seconds"
 }
 
 function Get-Remote-File-Size($zipUri) {
@@ -243,14 +238,13 @@ function Get-Machine-Architecture() {
     # To get the correct architecture, we need to use PROCESSOR_ARCHITEW6432.
     # PS x64 doesn't define this, so we fall back to PROCESSOR_ARCHITECTURE.
     # Possible values: amd64, x64, x86, arm64, arm
-    if( $ENV:PROCESSOR_ARCHITEW6432 -ne $null ) {
+    if ( $ENV:PROCESSOR_ARCHITEW6432 -ne $null ) {
         return $ENV:PROCESSOR_ARCHITEW6432
     }
 
     try {        
-        if( ((Get-CimInstance -ClassName CIM_OperatingSystem).OSArchitecture) -like "ARM*") {
+        if ( ((Get-CimInstance -ClassName CIM_OperatingSystem).OSArchitecture) -like "ARM*") {
-            if( [Environment]::Is64BitOperatingSystem )
+            if ( [Environment]::Is64BitOperatingSystem ) {
-            {
                 return "arm64"
             }  
             return "arm"
@@ -279,13 +273,13 @@ function Get-CLIArchitecture-From-Architecture([string]$Architecture) {
     }
 }
 
-function ValidateFeedCredential([string] $FeedCredential)
+function ValidateFeedCredential([string] $FeedCredential) {
-{
     if ($Internal -and [string]::IsNullOrWhitespace($FeedCredential)) {
         $message = "Provide credentials via -FeedCredential parameter."
         if ($DryRun) {
             Say-Warning "$message"
-        } else {
+        }
+        else {
             throw "$message"
         }
     }
@@ -362,7 +356,7 @@ function Get-Version-From-LatestVersion-File-Content([string]$VersionText) {
 
     $VersionInfo = @{
         CommitHash = $(if ($Data.Count -gt 1) { $Data[0] })
-        Version = $Data[-1] # last line is always the version number.
+        Version    = $Data[-1] # last line is always the version number.
     }
     return $VersionInfo
 }
@@ -377,8 +371,7 @@ function Load-Assembly([string] $Assembly) {
     }
 }
 
-function GetHTTPResponse([Uri] $Uri, [bool]$HeaderOnly, [bool]$DisableRedirect, [bool]$DisableFeedCredential)
+function GetHTTPResponse([Uri] $Uri, [bool]$HeaderOnly, [bool]$DisableRedirect, [bool]$DisableFeedCredential) {
-{
     $cts = New-Object System.Threading.CancellationTokenSource
 
     $downloadScript = {
@@ -389,19 +382,21 @@ function GetHTTPResponse([Uri] $Uri, [bool]$HeaderOnly, [bool]$DisableRedirect,
             # HttpClient is used vs Invoke-WebRequest in order to support Nano Server which doesn't support the Invoke-WebRequest cmdlet.
             Load-Assembly -Assembly System.Net.Http
 
-            if(-not $ProxyAddress) {
+            if (-not $ProxyAddress) {
                 try {
                     # Despite no proxy being explicitly specified, we may still be behind a default proxy
                     $DefaultProxy = [System.Net.WebRequest]::DefaultWebProxy;
-                    if($DefaultProxy -and (-not $DefaultProxy.IsBypassed($Uri))) {
+                    if ($DefaultProxy -and (-not $DefaultProxy.IsBypassed($Uri))) {
                         if ($null -ne $DefaultProxy.GetProxy($Uri)) {
                             $ProxyAddress = $DefaultProxy.GetProxy($Uri).OriginalString
-                        } else {
+                        }
+                        else {
                             $ProxyAddress = $null
                         }
                         $ProxyUseDefaultCredentials = $true
                     }
-                } catch {
+                }
+                catch {
                     # Eat the exception and move forward as the above code is an attempt
                     #    at resolving the DefaultProxy that may not have been a problem.
                     $ProxyAddress = $null
@@ -410,15 +405,14 @@ function GetHTTPResponse([Uri] $Uri, [bool]$HeaderOnly, [bool]$DisableRedirect,
             }
 
             $HttpClientHandler = New-Object System.Net.Http.HttpClientHandler
-            if($ProxyAddress) {
+            if ($ProxyAddress) {
-                $HttpClientHandler.Proxy =  New-Object System.Net.WebProxy -Property @{
+                $HttpClientHandler.Proxy = New-Object System.Net.WebProxy -Property @{
-                    Address=$ProxyAddress;
+                    Address               = $ProxyAddress;
-                    UseDefaultCredentials=$ProxyUseDefaultCredentials;
+                    UseDefaultCredentials = $ProxyUseDefaultCredentials;
-                    BypassList = $ProxyBypassList;
+                    BypassList            = $ProxyBypassList;
                 }
             }       
-            if ($DisableRedirect)
+            if ($DisableRedirect) {
-            {
                 $HttpClientHandler.AllowAutoRedirect = $false
             }
             $HttpClient = New-Object System.Net.Http.HttpClient -ArgumentList $HttpClientHandler
@@ -427,7 +421,7 @@ function GetHTTPResponse([Uri] $Uri, [bool]$HeaderOnly, [bool]$DisableRedirect,
             # Defaulting to 20 minutes allows it to work over much slower connections.
             $HttpClient.Timeout = New-TimeSpan -Seconds $DownloadTimeout
 
-            if ($HeaderOnly){
+            if ($HeaderOnly) {
                 $completionOption = [System.Net.Http.HttpCompletionOption]::ResponseHeadersRead
             }
             else {
@@ -452,8 +446,7 @@ function GetHTTPResponse([Uri] $Uri, [bool]$HeaderOnly, [bool]$DisableRedirect,
                     $DownloadException.Data["StatusCode"] = [int] $Response.StatusCode
                     $DownloadException.Data["ErrorMessage"] = "Unable to download $Uri. Returned HTTP status code: " + $DownloadException.Data["StatusCode"]
 
-                    if (404 -eq [int] $Response.StatusCode)
+                    if (404 -eq [int] $Response.StatusCode) {
-                    {
                         $cts.Cancel()
                     }
                 }
@@ -470,8 +463,8 @@ function GetHTTPResponse([Uri] $Uri, [bool]$HeaderOnly, [bool]$DisableRedirect,
             $CurrentException = $PSItem.Exception
             $ErrorMsg = $CurrentException.Message + "`r`n"
             while ($CurrentException.InnerException) {
-              $CurrentException = $CurrentException.InnerException
+                $CurrentException = $CurrentException.InnerException
-              $ErrorMsg += $CurrentException.Message + "`r`n"
+                $ErrorMsg += $CurrentException.Message + "`r`n"
             }
 
             # Check if there is an issue concerning TLS.
@@ -483,7 +476,7 @@ function GetHTTPResponse([Uri] $Uri, [bool]$HeaderOnly, [bool]$DisableRedirect,
             throw $DownloadException
         }
         finally {
-             if ($null -ne $HttpClient) {
+            if ($null -ne $HttpClient) {
                 $HttpClient.Dispose()
             }
         }
@@ -492,10 +485,8 @@ function GetHTTPResponse([Uri] $Uri, [bool]$HeaderOnly, [bool]$DisableRedirect,
     try {
         return Invoke-With-Retry $downloadScript $cts.Token
     }
-    finally
+    finally {
-    {
+        if ($null -ne $cts) {
-        if ($null -ne $cts)
-        {
             $cts.Dispose()
         }
     }
@@ -613,11 +604,9 @@ function Get-Download-Link([string]$AzureFeed, [string]$SpecificVersion, [string
     elseif ($Runtime -eq "windowsdesktop") {
         # The windows desktop runtime is part of the core runtime layout prior to 5.0
         $PayloadURL = "$AzureFeed/Runtime/$SpecificVersion/windowsdesktop-runtime-$SpecificProductVersion-win-$CLIArchitecture.zip"
-        if ($SpecificVersion -match '^(\d+)\.(.*)$')
+        if ($SpecificVersion -match '^(\d+)\.(.*)$') {
-        {
             $majorVersion = [int]$Matches[1]
-            if ($majorVersion -ge 5)
+            if ($majorVersion -ge 5) {
-            {
                 $PayloadURL = "$AzureFeed/WindowsDesktop/$SpecificVersion/windowsdesktop-runtime-$SpecificProductVersion-win-$CLIArchitecture.zip"
             }
         }
@@ -667,8 +656,7 @@ function Get-Product-Version([string]$AzureFeed, [string]$SpecificVersion, [stri
 
             if ($productVersionResponse.StatusCode -eq 200) {
                 $productVersion = $productVersionResponse.Content.ReadAsStringAsync().Result.Trim()
-                if ($productVersion -ne $SpecificVersion)
+                if ($productVersion -ne $SpecificVersion) {
-                {
                     Say "Using alternate version $productVersion found in $ProductVersionTxtURL"
                 }
                 return $productVersion
@@ -683,8 +671,7 @@ function Get-Product-Version([string]$AzureFeed, [string]$SpecificVersion, [stri
     }
 
     # Getting the version number with productVersion.txt has failed. Try parsing the download link for a version number.
-    if ([string]::IsNullOrEmpty($PackageDownloadLink))
+    if ([string]::IsNullOrEmpty($PackageDownloadLink)) {
-    {
         Say-Verbose "Using the default value '$SpecificVersion' as the product version."
         return $SpecificVersion
     }
@@ -696,21 +683,21 @@ function Get-Product-Version([string]$AzureFeed, [string]$SpecificVersion, [stri
 function Get-Product-Version-Url([string]$AzureFeed, [string]$SpecificVersion, [string]$PackageDownloadLink, [bool]$Flattened) {
     Say-Invocation $MyInvocation
 
-    $majorVersion=$null
+    $majorVersion = $null
     if ($SpecificVersion -match '^(\d+)\.(.*)') {
-        $majorVersion = $Matches[1] -as[int]
+        $majorVersion = $Matches[1] -as [int]
     }
 
-    $pvFileName='productVersion.txt'
+    $pvFileName = 'productVersion.txt'
-    if($Flattened) {
+    if ($Flattened) {
-        if(-not $Runtime) {
+        if (-not $Runtime) {
-            $pvFileName='sdk-productVersion.txt'
+            $pvFileName = 'sdk-productVersion.txt'
         }
-        elseif($Runtime -eq "dotnet") {
+        elseif ($Runtime -eq "dotnet") {
-            $pvFileName='runtime-productVersion.txt'
+            $pvFileName = 'runtime-productVersion.txt'
         }
         else {
-            $pvFileName="$Runtime-productVersion.txt"
+            $pvFileName = "$Runtime-productVersion.txt"
         }
     }
 
@@ -736,7 +723,7 @@ function Get-Product-Version-Url([string]$AzureFeed, [string]$SpecificVersion, [
         }
     }
     else {
-        $ProductVersionTxtURL = $PackageDownloadLink.Substring(0, $PackageDownloadLink.LastIndexOf("/"))  + "/$pvFileName"
+        $ProductVersionTxtURL = $PackageDownloadLink.Substring(0, $PackageDownloadLink.LastIndexOf("/")) + "/$pvFileName"
     }
 
     Say-Verbose "Constructed productVersion link: $ProductVersionTxtURL"
@@ -744,16 +731,14 @@ function Get-Product-Version-Url([string]$AzureFeed, [string]$SpecificVersion, [
     return $ProductVersionTxtURL
 }
 
-function Get-ProductVersionFromDownloadLink([string]$PackageDownloadLink, [string]$SpecificVersion)
+function Get-ProductVersionFromDownloadLink([string]$PackageDownloadLink, [string]$SpecificVersion) {
-{
     Say-Invocation $MyInvocation
 
     #product specific version follows the product name
     #for filename 'dotnet-sdk-3.1.404-win-x64.zip': the product version is 3.1.400
     $filename = $PackageDownloadLink.Substring($PackageDownloadLink.LastIndexOf("/") + 1)
     $filenameParts = $filename.Split('-')
-    if ($filenameParts.Length -gt 2)
+    if ($filenameParts.Length -gt 2) {
-    {
         $productVersion = $filenameParts[2]
         Say-Verbose "Extracted product version '$productVersion' from download link '$PackageDownloadLink'."
     }
@@ -771,6 +756,9 @@ function Get-User-Share-Path() {
     if (!$InstallRoot) {
         $InstallRoot = "$env:LocalAppData\Microsoft\dotnet"
     }
+    elseif ($InstallRoot -like "$env:ProgramFiles\dotnet\?*") {
+        Say-Warning "The install root specified by the environment variable DOTNET_INSTALL_DIR points to the sub folder of $env:ProgramFiles\dotnet which is the default dotnet install root using .NET SDK installer. It is better to keep aligned with .NET SDK installer."
+    }
     return $InstallRoot
 }
 
@@ -783,6 +771,19 @@ function Resolve-Installation-Path([string]$InstallDir) {
     return $InstallDir
 }
 
+function Test-User-Write-Access([string]$InstallDir) {
+    try {
+        $tempFileName = [guid]::NewGuid().ToString()
+        $tempFilePath = Join-Path -Path $InstallDir -ChildPath $tempFileName
+        New-Item -Path $tempFilePath -ItemType File -Force
+        Remove-Item $tempFilePath -Force
+        return $true
+    }
+    catch {
+        return $false
+    }
+}
+
 function Is-Dotnet-Package-Installed([string]$InstallRoot, [string]$RelativePathToPackage, [string]$SpecificVersion) {
     Say-Invocation $MyInvocation
 
@@ -858,7 +859,7 @@ function Extract-Dotnet-Package([string]$ZipPath, [string]$OutPath) {
             if (($null -eq $PathWithVersion) -Or ($DirectoriesToUnpack -contains $PathWithVersion)) {
                 $DestinationPath = Get-Absolute-Path $(Join-Path -Path $OutPath -ChildPath $entry.FullName)
                 $DestinationDir = Split-Path -Parent $DestinationPath
-                $OverrideFiles=$OverrideNonVersionedFiles -Or (-Not (Test-Path $DestinationPath))
+                $OverrideFiles = $OverrideNonVersionedFiles -Or (-Not (Test-Path $DestinationPath))
                 if ((-Not $DestinationPath.EndsWith("\")) -And $OverrideFiles) {
                     New-Item -ItemType Directory -Force -Path $DestinationDir | Out-Null
                     [System.IO.Compression.ZipFileExtensions]::ExtractToFile($entry, $DestinationPath, $OverrideNonVersionedFiles)
@@ -866,8 +867,7 @@ function Extract-Dotnet-Package([string]$ZipPath, [string]$OutPath) {
             }
         }
     }
-    catch
+    catch {
-    {
         Say-Error "Failed to extract package. Exception: $_"
         throw;
     }
@@ -954,7 +954,8 @@ function Prepend-Sdk-InstallRoot-To-Path([string]$InstallRoot) {
         if (-Not $env:path.Contains($SuffixedBinPath)) {
             Say "Adding to current process PATH: `"$BinPath`". Note: This change will not be visible if PowerShell was run as a child process."
             $env:path = $SuffixedBinPath + $env:path
-        } else {
+        }
+        else {
             Say-Verbose "Current process PATH already contains `"$BinPath`""
         }
     }
@@ -963,36 +964,60 @@ function Prepend-Sdk-InstallRoot-To-Path([string]$InstallRoot) {
     }
 }
 
-function PrintDryRunOutput($Invocation, $DownloadLinks)
+function PrintDryRunOutput($Invocation, $DownloadLinks) {
-{
     Say "Payload URLs:"
     
-    for ($linkIndex=0; $linkIndex -lt $DownloadLinks.count; $linkIndex++) {
+    for ($linkIndex = 0; $linkIndex -lt $DownloadLinks.count; $linkIndex++) {
         Say "URL #$linkIndex - $($DownloadLinks[$linkIndex].type): $($DownloadLinks[$linkIndex].downloadLink)"
     }
     $RepeatableCommand = ".\$ScriptName -Version `"$SpecificVersion`" -InstallDir `"$InstallRoot`" -Architecture `"$CLIArchitecture`""
     if ($Runtime -eq "dotnet") {
-       $RepeatableCommand+=" -Runtime `"dotnet`""
+        $RepeatableCommand += " -Runtime `"dotnet`""
     }
     elseif ($Runtime -eq "aspnetcore") {
-       $RepeatableCommand+=" -Runtime `"aspnetcore`""
+        $RepeatableCommand += " -Runtime `"aspnetcore`""
     }
 
     foreach ($key in $Invocation.BoundParameters.Keys) {
-        if (-not (@("Architecture","Channel","DryRun","InstallDir","Runtime","SharedRuntime","Version","Quality","FeedCredential") -contains $key)) {
+        if (-not (@("Architecture", "Channel", "DryRun", "InstallDir", "Runtime", "SharedRuntime", "Version", "Quality", "FeedCredential") -contains $key)) {
-            $RepeatableCommand+=" -$key `"$($Invocation.BoundParameters[$key])`""
+            $RepeatableCommand += " -$key `"$($Invocation.BoundParameters[$key])`""
         }
     }
     if ($Invocation.BoundParameters.Keys -contains "FeedCredential") {
-        $RepeatableCommand+=" -FeedCredential `"<feedCredential>`""
+        $RepeatableCommand += " -FeedCredential `"<feedCredential>`""
     }
     Say "Repeatable invocation: $RepeatableCommand"
-    if ($SpecificVersion -ne $EffectiveVersion)
+    if ($SpecificVersion -ne $EffectiveVersion) {
-    {
         Say "NOTE: Due to finding a version manifest with this runtime, it would actually install with version '$EffectiveVersion'"
     }
 }
 
+# grab the 'stem' of the redirect and check it against all of our configured feeds, 
+# if it matches, we can be sure that the redirect is valid and we should use it for
+# subsequent processing
+function Sanitize-RedirectUrl([string]$url) {
+    $urlSegments = ([System.Uri]$url).Segments;
+    $urlStem = $urlSegments[2..($urlSegments.Length - 1)] -join "";
+    Write-Verbose "Checking configured feeds for the asset at $urlStem"
+    foreach ($prospectiveFeed in $feeds) {
+        $trialUrl = "$prospectiveFeed/$urlStem";
+        Write-Verbose "Checking $trialUrl"
+        try {
+            $trialResponse = Invoke-WebRequest -Uri $trialUrl -Method HEAD
+            if ($trialResponse.StatusCode -eq 200) {
+                Write-Verbose "Found a match at $trialUrl"
+                return $trialUrl;
+            }
+            else {
+                Write-Verbose "No match at $trialUrl"
+            }
+        }
+        catch {
+            Write-Verbose "Failed to check $trialUrl"
+        }
+    }
+}
+
 function Get-AkaMSDownloadLink([string]$Channel, [string]$Quality, [bool]$Internal, [string]$Product, [string]$Architecture) {
     Say-Invocation $MyInvocation 
 
@@ -1010,19 +1035,18 @@ function Get-AkaMSDownloadLink([string]$Channel, [string]$Quality, [bool]$Intern
     }
     $akaMsLink += "/$Channel"
     if (-not [string]::IsNullOrEmpty($Quality)) {
-        $akaMsLink +="/$Quality"
+        $akaMsLink += "/$Quality"
     }
-    $akaMsLink +="/$Product-win-$Architecture.zip"
+    $akaMsLink += "/$Product-win-$Architecture.zip"
     Say-Verbose  "Constructed aka.ms link: '$akaMsLink'."
-    $akaMsDownloadLink=$null
+    $akaMsDownloadLink = $null
 
-    for ($maxRedirections = 9; $maxRedirections -ge 0; $maxRedirections--)
+    for ($maxRedirections = 9; $maxRedirections -ge 0; $maxRedirections--) {
-    {
         #get HTTP response
         #do not pass credentials as a part of the $akaMsLink and do not apply credentials in the GetHTTPResponse function
         #otherwise the redirect link would have credentials as well
         #it would result in applying credentials twice to the resulting link and thus breaking it, and in echoing credentials to the output as a part of redirect link
-        $Response= GetHTTPResponse -Uri $akaMsLink -HeaderOnly $true -DisableRedirect $true -DisableFeedCredential $true
+        $Response = GetHTTPResponse -Uri $akaMsLink -HeaderOnly $true -DisableRedirect $true -DisableFeedCredential $true
         Say-Verbose "Received response:`n$Response"
 
         if ([string]::IsNullOrEmpty($Response)) {
@@ -1031,8 +1055,7 @@ function Get-AkaMSDownloadLink([string]$Channel, [string]$Quality, [bool]$Intern
         }
 
         #if HTTP code is 301 (Moved Permanently), the redirect link exists
-        if  ($Response.StatusCode -eq 301)
+        if ($Response.StatusCode -eq 301) {
-        {
             try {
                 $akaMsDownloadLink = $Response.Headers.GetValues("Location")[0]
 
@@ -1051,9 +1074,13 @@ function Get-AkaMSDownloadLink([string]$Channel, [string]$Quality, [bool]$Intern
                 return $null
             }
         }
-        elseif ((($Response.StatusCode -lt 300) -or ($Response.StatusCode -ge 400)) -and (-not [string]::IsNullOrEmpty($akaMsDownloadLink)))
+        elseif ((($Response.StatusCode -lt 300) -or ($Response.StatusCode -ge 400)) -and (-not [string]::IsNullOrEmpty($akaMsDownloadLink))) {
-        {
             # Redirections have ended.
+            $actualRedirectUrl = Sanitize-RedirectUrl $akaMsDownloadLink
+            if ($null -ne $actualRedirectUrl) {
+                $akaMsDownloadLink = $actualRedirectUrl
+            }
+
             return $akaMsDownloadLink
         }
 
@@ -1069,7 +1096,7 @@ function Get-AkaMSDownloadLink([string]$Channel, [string]$Quality, [bool]$Intern
 function Get-AkaMsLink-And-Version([string] $NormalizedChannel, [string] $NormalizedQuality, [bool] $Internal, [string] $ProductName, [string] $Architecture) {
     $AkaMsDownloadLink = Get-AkaMSDownloadLink -Channel $NormalizedChannel -Quality $NormalizedQuality -Internal $Internal -Product $ProductName -Architecture $Architecture
    
-    if ([string]::IsNullOrEmpty($AkaMsDownloadLink)){
+    if ([string]::IsNullOrEmpty($AkaMsDownloadLink)) {
         if (-not [string]::IsNullOrEmpty($NormalizedQuality)) {
             # if quality is specified - exit with error - there is no fallback approach
             Say-Error "Failed to locate the latest version in the channel '$NormalizedChannel' with '$NormalizedQuality' quality for '$ProductName', os: 'win', architecture: '$Architecture'."
@@ -1102,28 +1129,22 @@ function Get-AkaMsLink-And-Version([string] $NormalizedChannel, [string] $Normal
     }
 }
 
-function Get-Feeds-To-Use()
+function Get-Feeds-To-Use() {
-{
     $feeds = @(
-    "https://dotnetcli.azureedge.net/dotnet",
+        "https://builds.dotnet.microsoft.com/dotnet"
-    "https://dotnetbuilds.azureedge.net/public"
+        "https://ci.dot.net/public"
     )
 
     if (-not [string]::IsNullOrEmpty($AzureFeed)) {
         $feeds = @($AzureFeed)
     }
 
-    if ($NoCdn) {
+    if (-not [string]::IsNullOrEmpty($UncachedFeed)) {
-        $feeds = @(
-        "https://dotnetcli.blob.core.windows.net/dotnet",
-        "https://dotnetbuilds.blob.core.windows.net/public"
-        )
-
-        if (-not [string]::IsNullOrEmpty($UncachedFeed)) {
             $feeds = @($UncachedFeed)
-        }
     }
 
+    Write-Verbose "Initialized feeds: $feeds"
+
     return $feeds
 }
 
@@ -1177,8 +1198,7 @@ function Prepare-Install-Directory {
     }
 }
 
-if ($Help)
+if ($Help) {
-{
     Get-Help $PSCommandPath -Examples
     exit
 }
@@ -1206,6 +1226,10 @@ Measure-Action "Product discovery" {
 }
 
 $InstallRoot = Resolve-Installation-Path $InstallDir
+if (-not (Test-User-Write-Access $InstallRoot)) {
+    Say-Error "The current user doesn't have write access to the installation root '$InstallRoot' to install .NET. Please try specifying a different installation directory using the -InstallDir parameter, or ensure the selected directory has the appropriate permissions."
+    throw
+}
 Say-Verbose "InstallRoot: $InstallRoot"
 $ScriptName = $MyInvocation.MyCommand.Name
 ($assetName, $dotnetPackageRelativePath) = Resolve-AssetName-And-RelativePath -Runtime $Runtime
@@ -1222,13 +1246,12 @@ if ([string]::IsNullOrEmpty($JSonFile) -and ($Version -eq "latest")) {
     ($DownloadLink, $SpecificVersion, $EffectiveVersion) = Get-AkaMsLink-And-Version $NormalizedChannel $NormalizedQuality $Internal $NormalizedProduct $CLIArchitecture
     
     if ($null -ne $DownloadLink) {
-        $DownloadLinks += New-Object PSObject -Property @{downloadLink="$DownloadLink";specificVersion="$SpecificVersion";effectiveVersion="$EffectiveVersion";type='aka.ms'}
+        $DownloadLinks += New-Object PSObject -Property @{downloadLink = "$DownloadLink"; specificVersion = "$SpecificVersion"; effectiveVersion = "$EffectiveVersion"; type = 'aka.ms' }
         Say-Verbose "Generated aka.ms link $DownloadLink with version $EffectiveVersion"
         
         if (-Not $DryRun) {
             Say-Verbose "Checking if the version $EffectiveVersion is already installed"
-            if (Is-Dotnet-Package-Installed -InstallRoot $InstallRoot -RelativePathToPackage $dotnetPackageRelativePath -SpecificVersion $EffectiveVersion)
+            if (Is-Dotnet-Package-Installed -InstallRoot $InstallRoot -RelativePathToPackage $dotnetPackageRelativePath -SpecificVersion $EffectiveVersion) {
-            {
                 Say "$assetName with version '$EffectiveVersion' is already installed."
                 Prepend-Sdk-InstallRoot-To-Path -InstallRoot $InstallRoot
                 return
@@ -1239,34 +1262,31 @@ if ([string]::IsNullOrEmpty($JSonFile) -and ($Version -eq "latest")) {
 
 # Primary and legacy links cannot be used if a quality was specified.
 # If we already have an aka.ms link, no need to search the blob feeds.
-if ([string]::IsNullOrEmpty($NormalizedQuality) -and 0 -eq $DownloadLinks.count)
+if ([string]::IsNullOrEmpty($NormalizedQuality) -and 0 -eq $DownloadLinks.count) {
-{
     foreach ($feed in $feeds) {
         try {
             $SpecificVersion = Get-Specific-Version-From-Version -AzureFeed $feed -Channel $Channel -Version $Version -JSonFile $JSonFile
             $DownloadLink, $EffectiveVersion = Get-Download-Link -AzureFeed $feed -SpecificVersion $SpecificVersion -CLIArchitecture $CLIArchitecture
             $LegacyDownloadLink = Get-LegacyDownload-Link -AzureFeed $feed -SpecificVersion $SpecificVersion -CLIArchitecture $CLIArchitecture
             
-            $DownloadLinks += New-Object PSObject -Property @{downloadLink="$DownloadLink";specificVersion="$SpecificVersion";effectiveVersion="$EffectiveVersion";type='primary'}
+            $DownloadLinks += New-Object PSObject -Property @{downloadLink = "$DownloadLink"; specificVersion = "$SpecificVersion"; effectiveVersion = "$EffectiveVersion"; type = 'primary' }
             Say-Verbose "Generated primary link $DownloadLink with version $EffectiveVersion"
     
             if (-not [string]::IsNullOrEmpty($LegacyDownloadLink)) {
-                $DownloadLinks += New-Object PSObject -Property @{downloadLink="$LegacyDownloadLink";specificVersion="$SpecificVersion";effectiveVersion="$EffectiveVersion";type='legacy'}
+                $DownloadLinks += New-Object PSObject -Property @{downloadLink = "$LegacyDownloadLink"; specificVersion = "$SpecificVersion"; effectiveVersion = "$EffectiveVersion"; type = 'legacy' }
                 Say-Verbose "Generated legacy link $LegacyDownloadLink with version $EffectiveVersion"
             }
     
             if (-Not $DryRun) {
                 Say-Verbose "Checking if the version $EffectiveVersion is already installed"
-                if (Is-Dotnet-Package-Installed -InstallRoot $InstallRoot -RelativePathToPackage $dotnetPackageRelativePath -SpecificVersion $EffectiveVersion)
+                if (Is-Dotnet-Package-Installed -InstallRoot $InstallRoot -RelativePathToPackage $dotnetPackageRelativePath -SpecificVersion $EffectiveVersion) {
-                {
                     Say "$assetName with version '$EffectiveVersion' is already installed."
                     Prepend-Sdk-InstallRoot-To-Path -InstallRoot $InstallRoot
                     return
                 }
             }
         }
-        catch
+        catch {
-        {
             Say-Verbose "Failed to acquire download links from feed $feed. Exception: $_"
         }
     }
@@ -1289,8 +1309,7 @@ $DownloadSucceeded = $false
 $DownloadedLink = $null
 $ErrorMessages = @()
 
-foreach ($link in $DownloadLinks)
+foreach ($link in $DownloadLinks) {
-{
     Say-Verbose "Downloading `"$($link.type)`" link $($link.downloadLink)"
 
     try {
@@ -1310,7 +1329,8 @@ foreach ($link in $DownloadLinks)
     
         if ($PSItem.Exception.Data.Contains("ErrorMessage")) {
             $ErrorMessage = $PSItem.Exception.Data["ErrorMessage"]
-        } else {
+        }
+        else {
             $ErrorMessage = $PSItem.Exception.Message
         }
 
@@ -1361,47 +1381,48 @@ if (-not $KeepZip) {
 
 Measure-Action "Setting up shell environment" { Prepend-Sdk-InstallRoot-To-Path -InstallRoot $InstallRoot }
 
-Say "Note that the script does not resolve dependencies during installation."
+Say "Note that the script does not ensure your Windows version is supported during the installation."
-Say "To check the list of dependencies, go to https://learn.microsoft.com/dotnet/core/install/windows#dependencies"
+Say "To check the list of supported versions, go to https://learn.microsoft.com/dotnet/core/install/windows#supported-versions"
 Say "Installed version is $($DownloadedLink.effectiveVersion)"
 Say "Installation finished"
+
 # SIG # Begin signature block
-# MIIoLAYJKoZIhvcNAQcCoIIoHTCCKBkCAQExDzANBglghkgBZQMEAgEFADB5Bgor
+# MIIoRgYJKoZIhvcNAQcCoIIoNzCCKDMCAQExDzANBglghkgBZQMEAgEFADB5Bgor
 # BgEEAYI3AgEEoGswaTA0BgorBgEEAYI3AgEeMCYCAwEAAAQQH8w7YFlLCE63JNLG
-# KX7zUQIBAAIBAAIBAAIBAAIBADAxMA0GCWCGSAFlAwQCAQUABCAcjJpspXTX0Wfr
+# KX7zUQIBAAIBAAIBAAIBAAIBADAxMA0GCWCGSAFlAwQCAQUABCAA6hOL3sfG/4jH
-# XrmBKKJAMp5FGvSyRcbMwr8jAJ2D2qCCDXYwggX0MIID3KADAgECAhMzAAADrzBA
+# iO4VqZoOTVqC+yp2rOhb1M2cc+ic7KCCDXYwggX0MIID3KADAgECAhMzAAAEBGx0
-# DkyjTQVBAAAAAAOvMA0GCSqGSIb3DQEBCwUAMH4xCzAJBgNVBAYTAlVTMRMwEQYD
+# Bv9XKydyAAAAAAQEMA0GCSqGSIb3DQEBCwUAMH4xCzAJBgNVBAYTAlVTMRMwEQYD
 # VQQIEwpXYXNoaW5ndG9uMRAwDgYDVQQHEwdSZWRtb25kMR4wHAYDVQQKExVNaWNy
 # b3NvZnQgQ29ycG9yYXRpb24xKDAmBgNVBAMTH01pY3Jvc29mdCBDb2RlIFNpZ25p
-# bmcgUENBIDIwMTEwHhcNMjMxMTE2MTkwOTAwWhcNMjQxMTE0MTkwOTAwWjB0MQsw
+# bmcgUENBIDIwMTEwHhcNMjQwOTEyMjAxMTE0WhcNMjUwOTExMjAxMTE0WjB0MQsw
 # CQYDVQQGEwJVUzETMBEGA1UECBMKV2FzaGluZ3RvbjEQMA4GA1UEBxMHUmVkbW9u
 # ZDEeMBwGA1UEChMVTWljcm9zb2Z0IENvcnBvcmF0aW9uMR4wHAYDVQQDExVNaWNy
 # b3NvZnQgQ29ycG9yYXRpb24wggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIB
-# AQDOS8s1ra6f0YGtg0OhEaQa/t3Q+q1MEHhWJhqQVuO5amYXQpy8MDPNoJYk+FWA
+# AQC0KDfaY50MDqsEGdlIzDHBd6CqIMRQWW9Af1LHDDTuFjfDsvna0nEuDSYJmNyz
-# hePP5LxwcSge5aen+f5Q6WNPd6EDxGzotvVpNi5ve0H97S3F7C/axDfKxyNh21MG
+# NB10jpbg0lhvkT1AzfX2TLITSXwS8D+mBzGCWMM/wTpciWBV/pbjSazbzoKvRrNo
-# 0W8Sb0vxi/vorcLHOL9i+t2D6yvvDzLlEefUCbQV/zGCBjXGlYJcUj6RAzXyeNAN
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@@ -1441,144 +1462,144 @@ Say "Installation finished"
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 # SIG # End signature block

externals/install-dotnet.sh

@@ -423,11 +423,17 @@ get_normalized_architecture_for_specific_sdk_version() {
 # args:
 # version or channel - $1
 is_arm64_supported() {
-    #any channel or version that starts with the specified versions
+    # Extract the major version by splitting on the dot
-    case "$1" in
+    major_version="${1%%.*}"
-        ( "1"* | "2"* | "3"*  | "4"* | "5"*) 
+
-            echo false
+    # Check if the major version is a valid number and less than 6
-            return 0
+    case "$major_version" in
+        [0-9]*)  
+            if [ "$major_version" -lt 6 ]; then
+                echo false
+                return 0
+            fi
+            ;;
     esac
 
     echo true
@@ -950,6 +956,37 @@ get_absolute_path() {
     return 0
 }
 
+# args:
+# override - $1 (boolean, true or false)
+get_cp_options() {
+    eval $invocation
+
+    local override="$1"
+    local override_switch=""
+
+    if [ "$override" = false ]; then
+        override_switch="-n"
+
+        # create temporary files to check if 'cp -u' is supported
+        tmp_dir="$(mktemp -d)"
+        tmp_file="$tmp_dir/testfile"
+        tmp_file2="$tmp_dir/testfile2"
+
+        touch "$tmp_file"
+
+        # use -u instead of -n if it's available
+        if cp -u "$tmp_file" "$tmp_file2" 2>/dev/null; then
+            override_switch="-u"
+        fi
+
+        # clean up
+        rm -f "$tmp_file" "$tmp_file2"
+        rm -rf "$tmp_dir"
+    fi
+
+    echo "$override_switch"
+}
+
 # args:
 # input_files - stdin
 # root_path - $1
@@ -961,15 +998,7 @@ copy_files_or_dirs_from_list() {
     local root_path="$(remove_trailing_slash "$1")"
     local out_path="$(remove_trailing_slash "$2")"
     local override="$3"
-    local osname="$(get_current_os_name)"
+    local override_switch="$(get_cp_options "$override")"
-    local override_switch=$(
-        if [ "$override" = false ]; then
-            if [ "$osname" = "linux-musl" ]; then
-                printf -- "-u";
-            else
-                printf -- "-n";
-            fi
-        fi)
 
     cat | uniq | while read -r file_path; do
         local path="$(remove_beginning_slash "${file_path#$root_path}")"
@@ -1243,6 +1272,61 @@ downloadwget() {
     return 0
 }
 
+extract_stem() {
+    local url="$1"
+    # extract the protocol
+    proto="$(echo $1 | grep :// | sed -e's,^\(.*://\).*,\1,g')"
+    # remove the protocol
+    url="${1/$proto/}"
+    # extract the path (if any) - since we know all of our feeds have a first path segment, we can skip the first one. otherwise we'd use -f2- to get the full path
+    full_path="$(echo $url | grep / | cut -d/ -f2-)"
+    path="$(echo $full_path | cut -d/ -f2-)"
+    echo $path
+}
+
+check_url_exists() {
+    eval $invocation
+    local url="$1"
+
+    local code=""
+    if machine_has "curl"
+    then
+        code=$(curl --head -o /dev/null -w "%{http_code}" -s --fail "$url");
+    elif machine_has "wget"
+    then
+        # get the http response, grab the status code
+        server_response=$(wget -qO- --method=HEAD --server-response "$url" 2>&1)
+        code=$(echo "$server_response" | grep "HTTP/" | awk '{print $2}')
+    fi
+    if [ $code = "200" ]; then
+        return 0
+    else
+        return 1
+    fi
+}
+
+sanitize_redirect_url() {
+    eval $invocation
+
+    local url_stem
+    url_stem=$(extract_stem "$1")
+    say_verbose "Checking configured feeds for the asset at ${yellow:-}$url_stem${normal:-}"
+
+    for feed in "${feeds[@]}"
+    do
+        local trial_url="$feed/$url_stem"
+        say_verbose "Checking ${yellow:-}$trial_url${normal:-}"
+        if check_url_exists "$trial_url"; then
+            say_verbose "Found a match at ${yellow:-}$trial_url${normal:-}"
+            echo "$trial_url"
+            return 0
+        else
+            say_verbose "No match at ${yellow:-}$trial_url${normal:-}"
+        fi
+    done
+    return 1
+}
+
 get_download_link_from_aka_ms() {
     eval $invocation
 
@@ -1295,6 +1379,11 @@ get_download_link_from_aka_ms() {
             return 1
         fi
 
+        sanitized_redirect_url=$(sanitize_redirect_url "$aka_ms_download_link")
+        if [[ -n "$sanitized_redirect_url" ]]; then
+            aka_ms_download_link="$sanitized_redirect_url"
+        fi
+
         say_verbose "The redirect location retrieved: '$aka_ms_download_link'."
         return 0
     else
@@ -1306,23 +1395,16 @@ get_download_link_from_aka_ms() {
 get_feeds_to_use()
 {
     feeds=(
-    "https://dotnetcli.azureedge.net/dotnet"
+    "https://builds.dotnet.microsoft.com/dotnet"
-    "https://dotnetbuilds.azureedge.net/public"
+    "https://ci.dot.net/public"
     )
 
     if [[ -n "$azure_feed" ]]; then
         feeds=("$azure_feed")
     fi
 
-    if [[ "$no_cdn" == "true" ]]; then
+    if [[ -n "$uncached_feed" ]]; then
-        feeds=(
+        feeds=("$uncached_feed")
-        "https://dotnetcli.blob.core.windows.net/dotnet"
-        "https://dotnetbuilds.blob.core.windows.net/public"
-        )
-
-        if [[ -n "$uncached_feed" ]]; then
-            feeds=("$uncached_feed")
-        fi
     fi
 }
 
@@ -1454,7 +1536,7 @@ generate_regular_links() {
         link_types+=("legacy")
     else
         legacy_download_link=""
-        say_verbose "Cound not construct a legacy_download_link; omitting..."
+        say_verbose "Could not construct a legacy_download_link; omitting..."
     fi
 
     #  Check if the SDK version is already installed.
@@ -1557,7 +1639,7 @@ install_dotnet() {
                 say "The resource at $link_type link '$download_link' is not available."
                 ;;
             *)
-                say "Failed to download $link_type link '$download_link': $download_error_msg"
+                say "Failed to download $link_type link '$download_link': $http_code $download_error_msg"
                 ;;
             esac
             rm -f "$zip_path" 2>&1 && say_verbose "Temporary archive file $zip_path was removed"
@@ -1618,7 +1700,6 @@ install_dir="<auto>"
 architecture="<auto>"
 dry_run=false
 no_path=false
-no_cdn=false
 azure_feed=""
 uncached_feed=""
 feed_credential=""
@@ -1691,10 +1772,6 @@ do
             verbose=true
             non_dynamic_parameters+=" $name"
             ;;
-        --no-cdn|-[Nn]o[Cc]dn)
-            no_cdn=true
-            non_dynamic_parameters+=" $name"
-            ;;
         --azure-feed|-[Aa]zure[Ff]eed)
             shift
             azure_feed="$1"
@@ -1735,7 +1812,7 @@ do
             zip_path="$1"
             ;;
         -?|--?|-h|--help|-[Hh]elp)
-            script_name="$(basename "$0")"
+            script_name="dotnet-install.sh"
             echo ".NET Tools Installer"
             echo "Usage:"
             echo "       # Install a .NET SDK of a given Quality from a given Channel"
@@ -1799,13 +1876,10 @@ do
             echo "  --verbose,-Verbose                 Display diagnostics information."
             echo "  --azure-feed,-AzureFeed            For internal use only."
             echo "                                     Allows using a different storage to download SDK archives from."
-            echo "                                     This parameter is only used if --no-cdn is false."
             echo "  --uncached-feed,-UncachedFeed      For internal use only."
             echo "                                     Allows using a different storage to download SDK archives from."
-            echo "                                     This parameter is only used if --no-cdn is true."
             echo "  --skip-non-versioned-files         Skips non-versioned files if they already exist, such as the dotnet executable."
             echo "      -SkipNonVersionedFiles"
-            echo "  --no-cdn,-NoCdn                    Disable downloading from the Azure CDN, and use the uncached feed directly."
             echo "  --jsonfile <JSONFILE>              Determines the SDK version from a user specified global.json file."
             echo "                                     Note: global.json must have a value for 'SDK:Version'"
             echo "  --keep-zip,-KeepZip                If set, downloaded file is kept."

package.json

@@ -1,6 +1,6 @@
 {
   "name": "setup-dotnet",
-  "version": "4.0.0",
+  "version": "3.0.2",
   "private": true,
   "description": "setup dotnet action",
   "main": "dist/setup/index.js",
@@ -26,35 +26,34 @@
   "author": "GitHub",
   "license": "MIT",
   "dependencies": {
-    "@actions/cache": "^3.2.4",
+    "@actions/cache": "^4.0.3",
     "@actions/core": "^1.10.0",
     "@actions/exec": "^1.1.1",
-    "@actions/github": "^6.0.0",
+    "@actions/github": "^1.1.0",
-    "@actions/glob": "^0.4.0",
+    "@actions/glob": "^0.3.0",
-    "@actions/http-client": "^2.2.1",
+    "@actions/http-client": "^2.0.1",
     "@actions/io": "^1.0.2",
-    "fast-xml-parser": "^4.4.1",
+    "fast-xml-parser": "^4.0.10",
-    "json5": "^2.2.3",
+    "semver": "^6.3.0"
-    "semver": "^7.6.0"
   },
   "devDependencies": {
-    "@types/jest": "^29.5.12",
+    "@types/jest": "^27.5.2",
-    "@types/node": "^20.11.29",
+    "@types/node": "^16.11.25",
-    "@types/semver": "^7.5.8",
+    "@types/semver": "^6.2.2",
-    "@typescript-eslint/eslint-plugin": "^7.3.0",
+    "@typescript-eslint/eslint-plugin": "^5.54.0",
-    "@typescript-eslint/parser": "^7.3.0",
+    "@typescript-eslint/parser": "^5.54.0",
-    "@vercel/ncc": "^0.38.1",
+    "@vercel/ncc": "^0.34.0",
-    "eslint": "^8.57.0",
+    "eslint": "^8.35.0",
-    "eslint-config-prettier": "^9.1.0",
+    "eslint-config-prettier": "^8.6.0",
-    "eslint-plugin-jest": "^27.9.0",
+    "eslint-plugin-jest": "^27.2.1",
     "eslint-plugin-node": "^11.1.0",
     "husky": "^8.0.1",
-    "jest": "^29.7.0",
+    "jest": "^27.5.1",
-    "jest-circus": "^29.7.0",
+    "jest-circus": "^27.5.1",
-    "jest-each": "^29.7.0",
+    "jest-each": "^27.5.1",
-    "prettier": "^3.2.5",
+    "prettier": "^2.8.4",
-    "ts-jest": "^29.1.2",
+    "ts-jest": "^27.0.5",
-    "typescript": "^5.4.2",
+    "typescript": "^4.8.4",
     "wget-improved": "^3.2.1"
   },
   "jest": {

src/installer.ts

@@ -7,7 +7,7 @@ import {chmodSync} from 'fs';
 import path from 'path';
 import os from 'os';
 import semver from 'semver';
-import {IS_WINDOWS, PLATFORM} from './utils';
+import {IS_LINUX, IS_WINDOWS} from './utils';
 import {QualityOptions} from './setup-dotnet';
 
 export interface DotnetVersion {
@@ -81,7 +81,7 @@ export class DotnetVersionResolver {
       parseInt(major) >= QUALITY_INPUT_MINIMAL_MAJOR_TAG ? true : false;
   }
 
-  public async createDotnetVersion(): Promise<DotnetVersion> {
+  public async createDotNetVersion(): Promise<DotnetVersion> {
     await this.resolveVersionInput();
     if (!this.resolvedArgument.type) {
       return this.resolvedArgument;
@@ -101,9 +101,11 @@ export class DotnetVersionResolver {
       allowRetries: true,
       maxRetries: 3
     });
+
     const response = await httpClient.getJson<any>(
-      DotnetVersionResolver.DotnetCoreIndexUrl
+      DotnetVersionResolver.DotNetCoreIndexUrl
     );
+
     const result = response.result || {};
     const releasesInfo: any[] = result['releases-index'];
 
@@ -114,37 +116,85 @@ export class DotnetVersionResolver {
 
     if (!releaseInfo) {
       throw new Error(
-        `Could not find info for version with major tag: "${majorTag}" at ${DotnetVersionResolver.DotnetCoreIndexUrl}`
+        `Could not find info for version with major tag: "${majorTag}" at ${DotnetVersionResolver.DotNetCoreIndexUrl}`
       );
     }
 
     return releaseInfo['channel-version'];
   }
 
-  static DotnetCoreIndexUrl =
+  static DotNetCoreIndexUrl =
-    'https://dotnetcli.azureedge.net/dotnet/release-metadata/releases-index.json';
+    'https://builds.dotnet.microsoft.com/dotnet/release-metadata/releases-index.json';
 }
 
-export class DotnetInstallScript {
+export class DotnetCoreInstaller {
-  private scriptName = IS_WINDOWS ? 'install-dotnet.ps1' : 'install-dotnet.sh';
+  private version: string;
-  private escapedScript: string;
+  private quality: QualityOptions;
-  private scriptArguments: string[] = [];
 
-  constructor() {
+  static {
-    this.escapedScript = path
+    const installationDirectoryWindows = path.join(
-      .join(__dirname, '..', '..', 'externals', this.scriptName)
+      process.env['PROGRAMFILES'] + '',
-      .replace(/'/g, "''");
+      'dotnet'
-
+    );
-    if (IS_WINDOWS) {
+    const installationDirectoryLinux = '/usr/share/dotnet';
-      this.setupScriptPowershell();
+    const installationDirectoryMac = path.join(
-      return;
+      process.env['HOME'] + '',
+      '.dotnet'
+    );
+    const dotnetInstallDir: string | undefined =
+      process.env['DOTNET_INSTALL_DIR'];
+    if (dotnetInstallDir) {
+      process.env['DOTNET_INSTALL_DIR'] =
+        this.convertInstallPathToAbsolute(dotnetInstallDir);
+    } else {
+      if (IS_WINDOWS) {
+        process.env['DOTNET_INSTALL_DIR'] = installationDirectoryWindows;
+      } else {
+        process.env['DOTNET_INSTALL_DIR'] = IS_LINUX
+          ? installationDirectoryLinux
+          : installationDirectoryMac;
+      }
     }
-
-    this.setupScriptBash();
   }
 
-  private setupScriptPowershell() {
+  constructor(version: string, quality: QualityOptions) {
-    this.scriptArguments = [
+    this.version = version;
+    this.quality = quality;
+  }
+
+  private static convertInstallPathToAbsolute(installDir: string): string {
+    let transformedPath;
+    if (path.isAbsolute(installDir)) {
+      transformedPath = installDir;
+    } else {
+      transformedPath = installDir.startsWith('~')
+        ? path.join(os.homedir(), installDir.slice(1))
+        : (transformedPath = path.join(process.cwd(), installDir));
+    }
+    return path.normalize(transformedPath);
+  }
+
+  static addToPath() {
+    core.addPath(process.env['DOTNET_INSTALL_DIR']!);
+    core.exportVariable('DOTNET_ROOT', process.env['DOTNET_INSTALL_DIR']);
+  }
+
+  private setQuality(
+    dotnetVersion: DotnetVersion,
+    scriptArguments: string[]
+  ): void {
+    const option = IS_WINDOWS ? '-Quality' : '--quality';
+    if (dotnetVersion.qualityFlag) {
+      scriptArguments.push(option, this.quality);
+    } else {
+      core.warning(
+        `The 'dotnet-quality' input can be used only with .NET SDK version in A.B, A.B.x, A, A.x and A.B.Cxx formats where the major tag is higher than 5. You specified: ${this.version}. 'dotnet-quality' input is ignored.`
+      );
+    }
+  }
+
+  public async installDotnet(): Promise<string | null> {
+    const windowsDefaultOptions = [
       '-NoLogo',
       '-Sta',
       '-NoProfile',
@@ -153,160 +203,68 @@ export class DotnetInstallScript {
       'Unrestricted',
       '-Command'
     ];
+    const scriptName = IS_WINDOWS ? 'install-dotnet.ps1' : 'install-dotnet.sh';
+    const escapedScript = path
+      .join(__dirname, '..', '..', 'externals', scriptName)
+      .replace(/'/g, "''");
+    let scriptArguments: string[];
+    let scriptPath = '';
 
-    this.scriptArguments.push('&', `'${this.escapedScript}'`);
+    const versionResolver = new DotnetVersionResolver(this.version);
+    const dotnetVersion = await versionResolver.createDotNetVersion();
 
-    if (process.env['https_proxy'] != null) {
-      this.scriptArguments.push(`-ProxyAddress ${process.env['https_proxy']}`);
-    }
-    // This is not currently an option
-    if (process.env['no_proxy'] != null) {
-      this.scriptArguments.push(`-ProxyBypassList ${process.env['no_proxy']}`);
-    }
-  }
-
-  private setupScriptBash() {
-    chmodSync(this.escapedScript, '777');
-  }
-
-  private async getScriptPath() {
     if (IS_WINDOWS) {
-      return (await io.which('pwsh', false)) || io.which('powershell', true);
+      scriptArguments = ['&', `'${escapedScript}'`];
+
+      if (dotnetVersion.type) {
+        scriptArguments.push(dotnetVersion.type, dotnetVersion.value);
+      }
+
+      if (this.quality) {
+        this.setQuality(dotnetVersion, scriptArguments);
+      }
+
+      if (process.env['https_proxy'] != null) {
+        scriptArguments.push(`-ProxyAddress ${process.env['https_proxy']}`);
+      }
+      // This is not currently an option
+      if (process.env['no_proxy'] != null) {
+        scriptArguments.push(`-ProxyBypassList ${process.env['no_proxy']}`);
+      }
+
+      scriptPath =
+        (await io.which('pwsh', false)) || (await io.which('powershell', true));
+      scriptArguments = windowsDefaultOptions.concat(scriptArguments);
+    } else {
+      chmodSync(escapedScript, '777');
+      scriptPath = await io.which(escapedScript, true);
+      scriptArguments = [];
+
+      if (dotnetVersion.type) {
+        scriptArguments.push(dotnetVersion.type, dotnetVersion.value);
+      }
+
+      if (this.quality) {
+        this.setQuality(dotnetVersion, scriptArguments);
+      }
     }
-
+    // process.env must be explicitly passed in for DOTNET_INSTALL_DIR to be used
-    return io.which(this.escapedScript, true);
-  }
-
-  public useArguments(...args: string[]) {
-    this.scriptArguments.push(...args);
-    return this;
-  }
-
-  public useVersion(dotnetVersion: DotnetVersion, quality?: QualityOptions) {
-    if (dotnetVersion.type) {
-      this.useArguments(dotnetVersion.type, dotnetVersion.value);
-    }
-
-    if (quality && !dotnetVersion.qualityFlag) {
-      core.warning(
-        `The 'dotnet-quality' input can be used only with .NET SDK version in A.B, A.B.x, A, A.x and A.B.Cxx formats where the major tag is higher than 5. You specified: ${dotnetVersion.value}. 'dotnet-quality' input is ignored.`
-      );
-      return this;
-    }
-
-    if (quality) {
-      this.useArguments(IS_WINDOWS ? '-Quality' : '--quality', quality);
-    }
-
-    return this;
-  }
-
-  public async execute() {
     const getExecOutputOptions = {
       ignoreReturnCode: true,
       env: process.env as {string: string}
     };
-
+    const {exitCode, stdout, stderr} = await exec.getExecOutput(
-    return exec.getExecOutput(
+      `"${scriptPath}"`,
-      `"${await this.getScriptPath()}"`,
+      scriptArguments,
-      this.scriptArguments,
       getExecOutputOptions
     );
-  }
+    if (exitCode) {
-}
-
-export abstract class DotnetInstallDir {
-  private static readonly default = {
-    linux: '/usr/share/dotnet',
-    mac: path.join(process.env['HOME'] + '', '.dotnet'),
-    windows: path.join(process.env['PROGRAMFILES'] + '', 'dotnet')
-  };
-
-  public static readonly dirPath = process.env['DOTNET_INSTALL_DIR']
-    ? DotnetInstallDir.convertInstallPathToAbsolute(
-        process.env['DOTNET_INSTALL_DIR']
-      )
-    : DotnetInstallDir.default[PLATFORM];
-
-  private static convertInstallPathToAbsolute(installDir: string): string {
-    if (path.isAbsolute(installDir)) return path.normalize(installDir);
-
-    const transformedPath = installDir.startsWith('~')
-      ? path.join(os.homedir(), installDir.slice(1))
-      : path.join(process.cwd(), installDir);
-
-    return path.normalize(transformedPath);
-  }
-
-  public static addToPath() {
-    core.addPath(process.env['DOTNET_INSTALL_DIR']!);
-    core.exportVariable('DOTNET_ROOT', process.env['DOTNET_INSTALL_DIR']);
-  }
-
-  public static setEnvironmentVariable() {
-    process.env['DOTNET_INSTALL_DIR'] = DotnetInstallDir.dirPath;
-  }
-}
-
-export class DotnetCoreInstaller {
-  static {
-    DotnetInstallDir.setEnvironmentVariable();
-  }
-
-  constructor(
-    private version: string,
-    private quality: QualityOptions
-  ) {}
-
-  public async installDotnet(): Promise<string | null> {
-    const versionResolver = new DotnetVersionResolver(this.version);
-    const dotnetVersion = await versionResolver.createDotnetVersion();
-
-    /**
-     * Install dotnet runitme first in order to get
-     * the latest stable version of dotnet CLI
-     */
-    const runtimeInstallOutput = await new DotnetInstallScript()
-      // If dotnet CLI is already installed - avoid overwriting it
-      .useArguments(
-        IS_WINDOWS ? '-SkipNonVersionedFiles' : '--skip-non-versioned-files'
-      )
-      // Install only runtime + CLI
-      .useArguments(IS_WINDOWS ? '-Runtime' : '--runtime', 'dotnet')
-      // Use latest stable version
-      .useArguments(IS_WINDOWS ? '-Channel' : '--channel', 'LTS')
-      .execute();
-
-    if (runtimeInstallOutput.exitCode) {
-      /**
-       * dotnetInstallScript will install CLI and runtime even if previous script haven't succeded,
-       * so at this point it's too early to throw an error
-       */
-      core.warning(
-        `Failed to install dotnet runtime + cli, exit code: ${runtimeInstallOutput.exitCode}. ${runtimeInstallOutput.stderr}`
-      );
-    }
-
-    /**
-     * Install dotnet over the latest version of
-     * dotnet CLI
-     */
-    const dotnetInstallOutput = await new DotnetInstallScript()
-      // Don't overwrite CLI because it should be already installed
-      .useArguments(
-        IS_WINDOWS ? '-SkipNonVersionedFiles' : '--skip-non-versioned-files'
-      )
-      // Use version provided by user
-      .useVersion(dotnetVersion, this.quality)
-      .execute();
-
-    if (dotnetInstallOutput.exitCode) {
       throw new Error(
-        `Failed to install dotnet, exit code: ${dotnetInstallOutput.exitCode}. ${dotnetInstallOutput.stderr}`
+        `Failed to install dotnet, exit code: ${exitCode}. ${stderr}`
       );
     }
 
-    return this.parseInstalledVersion(dotnetInstallOutput.stdout);
+    return this.parseInstalledVersion(stdout);
   }
 
   private parseInstalledVersion(stdout: string): string | null {

src/setup-dotnet.ts

@@ -1,5 +1,5 @@
 import * as core from '@actions/core';
-import {DotnetCoreInstaller, DotnetInstallDir} from './installer';
+import {DotnetCoreInstaller} from './installer';
 import * as fs from 'fs';
 import path from 'path';
 import semver from 'semver';
@@ -7,7 +7,6 @@ import * as auth from './authutil';
 import {isCacheFeatureAvailable} from './cache-utils';
 import {restoreCache} from './cache-restore';
 import {Outputs} from './constants';
-import JSON5 from 'json5';
 
 const qualityOptions = [
   'daily',
@@ -73,7 +72,7 @@ export async function run() {
         const installedVersion = await dotnetInstaller.installDotnet();
         installedDotnetVersions.push(installedVersion);
       }
-      DotnetInstallDir.addToPath();
+      DotnetCoreInstaller.addToPath();
     }
 
     const sourceUrl: string = core.getInput('source-url');
@@ -98,14 +97,9 @@ export async function run() {
 
 function getVersionFromGlobalJson(globalJsonPath: string): string {
   let version = '';
-  const globalJson = JSON5.parse(
+  const globalJson = JSON.parse(
     // .trim() is necessary to strip BOM https://github.com/nodejs/node/issues/20649
-    fs.readFileSync(globalJsonPath, {encoding: 'utf8'}).trim(),
+    fs.readFileSync(globalJsonPath, {encoding: 'utf8'}).trim()
-    // is necessary as JSON5 supports wider variety of options for numbers: https://www.npmjs.com/package/json5#numbers
-    (key, value) => {
-      if (key === 'version' || key === 'rollForward') return String(value);
-      return value;
-    }
   );
   if (globalJson.sdk && globalJson.sdk.version) {
     version = globalJson.sdk.version;

src/utils.ts

@@ -1,6 +1,2 @@
 export const IS_WINDOWS = process.platform === 'win32';
-export const PLATFORM = ((): 'windows' | 'linux' | 'mac' => {
+export const IS_LINUX = process.platform === 'linux';
-  if (process.platform === 'win32') return 'windows';
-  if (process.platform === 'linux') return 'linux';
-  return 'mac';
-})();