depricate ubuntu-20.04

`v1` - Remove `dotnetcli.blob.core.windows.net` storage account fallback logic and update install scripts

.github/workflows/check-dist.yml

@@ -0,0 +1,51 @@
+# `dist/index.js` is a special file in Actions.
+# When you reference an action with `uses:` in a workflow,
+# `index.js` is the code that will run.
+# For our project, we generate this file through a build process from other source files.
+# We need to make sure the checked-in `index.js` actually matches what we expect it to be.
+name: Check dist/
+
+on:
+  push:
+    branches:
+      - main
+    paths-ignore:
+      - '**.md'
+  pull_request:
+    paths-ignore:
+      - '**.md'
+  workflow_dispatch:
+
+jobs:
+  check-dist:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Set Node.js 12.x
+        uses: actions/setup-node@v1
+        with:
+          node-version: 12.x
+
+      - name: Install dependencies
+        run: npm ci
+
+      - name: Rebuild the dist/ directory
+        run: npm run build
+
+      - name: Compare the expected and actual dist/ directories
+        run: |
+          if [ "$(git diff --ignore-space-at-eol dist/ | wc -l)" -gt "0" ]; then
+            echo "Detected uncommitted changes after build.  See status below:"
+            git diff
+            exit 1
+          fi
+        id: diff
+
+      # If index.js was different than expected, upload the expected version as an artifact
+      - uses: actions/upload-artifact@v4
+        if: ${{ failure() && steps.diff.conclusion == 'failure' }}
+        with:
+          name: dist
+          path: dist/

.github/workflows/licensed.yml

@@ -1,8 +1,13 @@
 name: Licensed
 
 on:
-  push: {branches: main}
+  push:
-  pull_request: {branches: main}
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+  workflow_dispatch:
 
 jobs:
   test:
@@ -14,7 +19,7 @@ jobs:
       - name: Install licensed
         run: |
           cd $RUNNER_TEMP
-          curl -Lfs -o licensed.tar.gz https://github.com/github/licensed/releases/download/2.12.2/licensed-2.12.2-linux-x64.tar.gz
+          curl -Lfs -o licensed.tar.gz https://github.com/github/licensed/releases/download/3.3.1/licensed-3.3.1-linux-x64.tar.gz
           sudo tar -xzf licensed.tar.gz
           sudo mv licensed /usr/local/bin/licensed
-      - run: licensed status
+      - run: licensed status

.github/workflows/publish-immutable-action.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/release-new-action-version.yml

@@ -0,0 +1,28 @@
+name: Release new action version
+on:
+  release:
+    types: [released]
+  workflow_dispatch:
+    inputs:
+      TAG_NAME:
+        description: 'Tag name that the major tag will point to'
+        required: true
+
+env:
+  TAG_NAME: ${{ github.event.inputs.TAG_NAME || github.event.release.tag_name }}
+permissions:
+  contents: write
+
+jobs:
+  update_tag:
+    name: Update the major tag to include the ${{ github.event.inputs.TAG_NAME || github.event.release.tag_name }} changes
+    environment:
+      name: releaseNewActionVersion
+    runs-on: ubuntu-latest
+    steps:
+    - name: Update the ${{ env.TAG_NAME }} tag
+      id: update-major-tag
+      uses: actions/publish-action@v0.1.0
+      with:
+        source-tag: ${{ env.TAG_NAME }}
+        slack-webhook: ${{ secrets.SLACK_WEBHOOK }}

.github/workflows/test-dotnet.yml

@@ -17,7 +17,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        operating-system: [ubuntu-latest, windows-latest, macOS-latest]
+        operating-system: [ubuntu-22.04, windows-latest, macOS-latest]
         dotnet-version: ['2.1', '2.2', '3.0', '3.1', '5.0']
     steps:
       - name: Checkout

.github/workflows/workflow.yml

@@ -17,7 +17,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        operating-system: [ubuntu-latest, windows-latest, macOS-latest]
+        operating-system: [ubuntu-22.04, windows-latest, macos-13]
     steps:
     - name: Checkout
       uses: actions/checkout@v2
@@ -32,13 +32,36 @@ jobs:
     - name: Verify no unstaged changes
       if: runner.os != 'windows'
       run: __tests__/verify-no-unstaged-changes.sh
+  
+  test-setup-multiple-versions:
+    runs-on: ${{ matrix.operating-system }}
+    strategy:
+      fail-fast: false
+      matrix:
+        operating-system: [ubuntu-22.04, windows-latest, macOS-latest]
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+      - name: Clear toolcache
+        shell: pwsh
+        run: __tests__/clear-toolcache.ps1 ${{ runner.os }}
+      - name: Setup dotnet 2.2.402 and 3.1.404
+        uses: ./
+        with:
+          dotnet-version: |
+             2.2.402
+             3.1.404
+             3.0.x
+      - name: Verify dotnet
+        shell: pwsh
+        run: __tests__/verify-dotnet.ps1 2.2.402 3.1.404 '3.0'
 
   test-setup-full-version:
     runs-on: ${{ matrix.operating-system }}
     strategy:
       fail-fast: false
       matrix:
-        operating-system: [ubuntu-latest, windows-latest, macOS-latest]
+        operating-system: [ubuntu-22.04, windows-latest, macos-13]
     steps:
       - name: Checkout
         uses: actions/checkout@v2
@@ -71,7 +94,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        operating-system: [ubuntu-latest, windows-latest, macOS-latest]
+        operating-system: [ubuntu-22.04, windows-latest, macOS-latest]
     steps:
       - name: Checkout
         uses: actions/checkout@v2
@@ -96,7 +119,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        operating-system: [ubuntu-latest, windows-latest, macOS-latest]
+        operating-system: [ubuntu-22.04, windows-latest, macOS-latest]
     steps:
       - name: Checkout
         uses: actions/checkout@v2
@@ -120,7 +143,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        operating-system: [ubuntu-latest, windows-latest, macOS-latest]
+        operating-system: [ubuntu-22.04, windows-latest, macOS-latest]
     steps:
       - name: Checkout
         uses: actions/checkout@v2
@@ -140,18 +163,20 @@ jobs:
         run: __tests__/verify-dotnet.ps1 3.1 2.2
 
   test-proxy:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
     container:
-      image: mcr.microsoft.com/dotnet/core/runtime-deps:3.0-bionic
+      image: ubuntu:22.04
       options: --dns 127.0.0.1
     services:
       squid-proxy:
-        image: datadog/squid:latest
+        image: ubuntu/squid:latest
         ports:
           - 3128:3128
     env:
       https_proxy: http://squid-proxy:3128
       http_proxy: http://squid-proxy:3128
+      DOTNET_SYSTEM_GLOBALIZATION_INVARIANT: true
+
     steps:
       - name: Checkout
         uses: actions/checkout@v2
@@ -160,7 +185,7 @@ jobs:
       - name: Install curl
         run: |
           apt update
-          apt -y install curl
+          apt -y install curl libssl-dev
       - name: Setup dotnet 3.1.201
         uses: ./
         with:
@@ -172,10 +197,10 @@ jobs:
         run: __tests__/verify-dotnet.sh 3.1.201
 
   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@v2

.licenses/npm/@actions/core.dep.yml

@@ -1,6 +1,6 @@
 ---
 name: "@actions/core"
-version: 1.2.6
+version: 1.6.0
 type: npm
 summary: Actions core lib
 homepage: https://github.com/actions/toolkit/tree/main/packages/core

.licenses/npm/@actions/http-client-1.0.11.dep.yml

@@ -0,0 +1,32 @@
+---
+name: "@actions/http-client"
+version: 1.0.11
+type: npm
+summary: Actions Http Client
+homepage: https://github.com/actions/http-client#readme
+license: mit
+licenses:
+- sources: LICENSE
+  text: |
+    Actions Http Client for Node.js
+
+    Copyright (c) GitHub, Inc.
+
+    All rights reserved.
+
+    MIT License
+
+    Permission is hereby granted, free of charge, to any person obtaining a copy of this software and
+    associated documentation files (the "Software"), to deal in the Software without restriction,
+    including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense,
+    and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so,
+    subject to the following conditions:
+
+    The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+
+    THE SOFTWARE IS PROVIDED *AS IS*, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT
+    LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+    NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+    WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+    SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+notices: []

README.md

@@ -4,9 +4,9 @@
   <a href="https://github.com/actions/setup-dotnet"><img alt="GitHub Actions status" src="https://github.com/actions/setup-dotnet/workflows/Main%20workflow/badge.svg"></a>
 </p>
 
-This action sets up a [dotnet core cli](https://github.com/dotnet/cli) environment for use in actions by:
+This action sets up a [.NET CLI](https://github.com/dotnet/sdk) environment for use in actions by:
 
-- optionally downloading and caching a version of dotnet by SDK version and adding to PATH
+- optionally downloading and caching a version(s) of dotnet by SDK version(s) and adding to PATH
 - registering problem matchers for error output
 - setting up authentication to private package sources like GitHub Packages
 
@@ -29,11 +29,24 @@ steps:
     dotnet-version: '3.1.x' # SDK Version to use; x will use the latest version of the 3.1 channel
 - run: dotnet build <my project>
 ```
+Multiple versions:
+> Note: In case multiple versions are installed, the latest .NET version will be used by default unless another version is specified in the `global.json` file.
 
+```yml
+steps:
+- uses: actions/checkout@v2
+- name: Setup dotnet
+  uses: actions/setup-dotnet@v1
+  with:
+    dotnet-version: | 
+      3.1.x
+      5.0.x
+- run: dotnet build <my project>
+```
 Preview version:
 ```yml
 steps:
-- uses: actions@checkout@v2
+- uses: actions/checkout@v2
 - uses: actions/setup-dotnet@v1
   with:
     dotnet-version: '6.0.x'
@@ -93,10 +106,10 @@ steps:
 - run: dotnet build <my project>
 - name: Create the package
   run: dotnet pack --configuration Release <my project>
- - name: Publish the package to GPR
+- name: Publish the package to GPR
   run: dotnet nuget push <my project>/bin/Release/*.nupkg
 
-# Authticates packages to push to Azure Artifacts
+# Authenticates packages to push to Azure Artifacts
 - uses: actions/setup-dotnet@v1
   with:
     source-url: https://pkgs.dev.azure.com/<your-organization>/_packaging/<your-feed-name>/nuget/v3/index.json
@@ -104,11 +117,21 @@ steps:
     NUGET_AUTH_TOKEN: ${{secrets.AZURE_DEVOPS_PAT}} # Note, create a secret with this name in Settings
 - name: Publish the package to Azure Artifacts
   run: dotnet nuget push <my project>/bin/Release/*.nupkg
+
+# Authenticates packages to push to nuget.org.
+# It's only the way to push a package to nuget.org feed for macOS/Linux machines due to API key config store limitations.
+- uses: actions/setup-dotnet@v1
+  with:
+    dotnet-version: 3.1.x
+- name: Publish the package to nuget.org
+  run: dotnet nuget push */bin/Release/*.nupkg -k $NUGET_AUTH_TOKEN -s https://api.nuget.org/v3/index.json
+  env:
+    NUGET_AUTH_TOKEN: ${{ secrets.NUGET_TOKEN }}
 ```
 
 ## Environment Variables to use with dotnet
 
-Some environment variables may be necessary for your particular case or to improve logging. Some examples are listed below, but the full list with complete details can be found here: https://docs.microsoft.com/en-us/dotnet/core/tools/dotnet#environment-variables
+Some environment variables may be necessary for your particular case or to improve logging. Some examples are listed below, but the full list with complete details can be found here: https://docs.microsoft.com/en-us/dotnet/core/tools/dotnet-environment-variables
 
 - DOTNET_NOLOGO - removes logo and telemetry message from first run of dotnet cli (default: false)
 - DOTNET_CLI_TELEMETRY_OPTOUT - opt-out of telemetry being sent to Microsoft (default: false)

__tests__/clear-toolcache.ps1

@@ -1,13 +1,13 @@
 $dotnetPaths = @{
-    Linux = @("/usr/share/dotnet")
+    Linux = "/usr/share/dotnet"
-    macOS = @("$env:HOME/.dotnet")
+    macOS = "$env:HOME/.dotnet"
-    Windows = @("$env:ProgramFiles\dotnet/*",
+    Windows = "$env:ProgramFiles\dotnet", "$env:LocalAppData\Microsoft\dotnet"
-                  "$env:LocalAppData\Microsoft\dotnet/*")
 }
 
-foreach ($path in $dotnetPaths[$args[0]]) {
+foreach ($srcPath in $dotnetPaths[$args[0]]) {
-    if (Test-Path $path) {
+    if (Test-Path $srcPath) {
-        Write-Host "Clear $path path"
+        Write-Host "Move $srcPath path"
-        Remove-Item $path -Recurse -Force
+        $dstPath = Join-Path ([IO.Path]::GetTempPath()) ([IO.Path]::GetRandomFileName())
+        Move-Item -Path $srcPath -Destination $dstPath
     }
 }

__tests__/installer.test.ts

@@ -32,6 +32,27 @@ describe('installer tests', () => {
     }
   }, 30000);
 
+  it('Aquires multiple versions of dotnet', async () => {
+    const versions = ['2.2.207', '3.1.120'];
+
+    for (const version of versions) {
+      await getDotnet(version);
+    }
+    expect(fs.existsSync(path.join(toolDir, 'sdk', '2.2.207'))).toBe(true);
+    expect(fs.existsSync(path.join(toolDir, 'sdk', '3.1.120'))).toBe(true);
+
+    if (IS_WINDOWS) {
+      expect(fs.existsSync(path.join(toolDir, 'dotnet.exe'))).toBe(true);
+    } else {
+      expect(fs.existsSync(path.join(toolDir, 'dotnet'))).toBe(true);
+    }
+
+    expect(process.env.DOTNET_ROOT).toBeDefined;
+    expect(process.env.PATH).toBeDefined;
+    expect(process.env.DOTNET_ROOT).toBe(toolDir);
+    expect(process.env.PATH?.startsWith(toolDir)).toBe(true);
+  }, 600000);
+
   it('Acquires version of dotnet if no matching version is installed', async () => {
     await getDotnet('3.1.201');
     expect(fs.existsSync(path.join(toolDir, 'sdk', '3.1.201'))).toBe(true);
@@ -126,4 +147,5 @@ function normalizeFileContents(contents: string): string {
 async function getDotnet(version: string): Promise<void> {
   const dotnetInstaller = new installer.DotnetCoreInstaller(version);
   await dotnetInstaller.installDotnet();
+  installer.DotnetCoreInstaller.addToPath();
 }

__tests__/sample-csproj/sample.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>netcoreapp3.1;netcoreapp2.2</TargetFrameworks>
+    <TargetFrameworks>netcoreapp3.1;netcoreapp3.0;netcoreapp2.2</TargetFrameworks>
     <RootNamespace>sample_csproj</RootNamespace>
 
     <IsPackable>false</IsPackable>

__tests__/setup-dotnet.test.ts

@@ -7,6 +7,7 @@ const toolDir = path.join(__dirname, 'runner', 'tools2');
 const tempDir = path.join(__dirname, 'runner', 'temp2');
 
 import * as setup from '../src/setup-dotnet';
+import * as dotnetInstaller from '../src/installer';
 
 const IS_WINDOWS = process.platform === 'win32';
 
@@ -19,7 +20,7 @@ describe('setup-dotnet tests', () => {
     await io.rmRF(tempDir);
   });
 
-  afterAll(async () => {
+  afterEach(async () => {
     try {
       await io.rmRF(path.join(process.cwd(), 'global.json'));
       await io.rmRF(toolDir);
@@ -44,4 +45,26 @@ describe('setup-dotnet tests', () => {
       expect(fs.existsSync(path.join(toolDir, 'dotnet'))).toBe(true);
     }
   }, 400000);
+
+  it('Acquires version of dotnet from global.json with rollForward option, install the latest patch', async () => {
+    const globalJsonPath = path.join(process.cwd(), 'global.json');
+    const jsonContents = `{${os.EOL}"sdk": {${os.EOL}"version":"3.1.201",${os.EOL}"rollForward":"latestFeature"${os.EOL}}${os.EOL}}`;
+    if (!fs.existsSync(globalJsonPath)) {
+      fs.writeFileSync(globalJsonPath, jsonContents);
+    }
+
+    const version = '3.1';
+    const installer = new dotnetInstaller.DotnetCoreInstaller(version);
+    const patchVersion = await installer.resolveVersion(
+      new dotnetInstaller.DotNetVersionInfo(version)
+    );
+    await setup.run();
+
+    expect(fs.existsSync(path.join(toolDir, 'sdk', patchVersion))).toBe(true);
+    if (IS_WINDOWS) {
+      expect(fs.existsSync(path.join(toolDir, 'dotnet.exe'))).toBe(true);
+    } else {
+      expect(fs.existsSync(path.join(toolDir, 'dotnet'))).toBe(true);
+    }
+  }, 400000);
 });

__tests__/verify-dotnet.ps1

@@ -6,12 +6,15 @@ if (!$args[0])
 $dotnet = Get-Command dotnet | Select-Object -First 1 | ForEach-Object { $_.Path }
 Write-Host "Found '$dotnet'"
 
-$version = & $dotnet --version | Out-String | ForEach-Object { $_.Trim() }
+if($args.count -eq 1)
-Write-Host "Version $version"
-if (-not ($version.StartsWith($args[0].ToString())))
 {
-  Write-Host "PATH='$env:PATH'"
+  $version = & $dotnet --version | Out-String | ForEach-Object { $_.Trim() }
-  throw "Unexpected version"
+  Write-Host "Version $version"
+  if (-not ($version.StartsWith($args[0].ToString())))
+  {
+    Write-Host "PATH='$env:PATH'"
+    throw "Unexpected version"
+  }
 }
 
 if ($args[1])
@@ -19,16 +22,17 @@ if ($args[1])
   # SDKs are listed on multiple lines with the path afterwards in square brackets
   $versions = & $dotnet --list-sdks | ForEach-Object { $_.SubString(0, $_.IndexOf('[')).Trim() }
   Write-Host "Installed versions: $versions"
-  $isInstalledVersion = $false
+  $InstalledVersionCount = 0
-  foreach ($version in $versions)
+  foreach($arg in $args){
-  {
+    foreach ($version in $versions)
-    if ($version.StartsWith($args[1].ToString())) 
     {
-      $isInstalledVersion = $true
+      if ($version.StartsWith($arg.ToString())) 
-      break
+      {
+        $InstalledVersionCount++
+      }
     }
-  }
+   }
-  if (-not $isInstalledVersion)
+  if ( $InstalledVersionCount -ne $args.Count)
   {
     Write-Host "PATH='$env:PATH'"
     throw "Unexpected version"
@@ -53,6 +57,13 @@ if ($args[1])
     throw "Unexpected output"
   }
 }
+if ($args[2])
+{
+  if ($sample_output -notlike "*Test Run Successful.*Test Run Successful.*Test Run Successful.*")
+  {
+    throw "Unexpected output"
+  }
+}
 else
 {
   if ($sample_output -notlike "*Test Run Successful.*")

action.yml

@@ -1,12 +1,12 @@
 name: 'Setup .NET Core SDK'
-description: 'Set up a specific version of the .NET Core CLI in the PATH and set up authentication to a private NuGet repository'
+description: 'Used to build and publish .NET source. Set up a specific version of the .NET and authentication to private NuGet repository'
 author: 'GitHub'
 branding:
   icon: play
   color: green
 inputs:
   dotnet-version:
-    description: 'Optional SDK version to use. If not provided, will install global.json version when available. Examples: 2.2.104, 3.1, 3.1.x'
+    description: 'Optional SDK version(s) to use. If not provided, will install global.json version when available. Examples: 2.2.104, 3.1, 3.1.x'
   source-url:
     description: 'Optional package source for which to set up authentication. Will consult any existing NuGet.config in the root of the repo and provide a temporary NuGet.config using the NUGET_AUTH_TOKEN environment variable as a ClearTextPassword'
   owner:

package.json

@@ -30,7 +30,7 @@
   "author": "GitHub",
   "license": "MIT",
   "dependencies": {
-    "@actions/core": "^1.2.6",
+    "@actions/core": "^1.6.0",
     "@actions/exec": "^1.0.4",
     "@actions/github": "^1.1.0",
     "@actions/http-client": "^1.0.8",
@@ -40,15 +40,15 @@
     "xmlbuilder": "^13.0.2"
   },
   "devDependencies": {
-    "@types/jest": "^25.2.3",
+    "@types/jest": "^27.0.2",
     "@types/node": "^12.12.62",
     "@types/semver": "^6.2.2",
     "@zeit/ncc": "^0.21.1",
-    "husky": "^4.3.0",
+    "husky": "^7.0.2",
-    "jest": "^26.4.2",
+    "jest": "^27.2.5",
-    "jest-circus": "^26.4.2",
+    "jest-circus": "^27.2.5",
     "prettier": "^1.19.1",
-    "ts-jest": "^26.4.0",
+    "ts-jest": "^27.0.5",
     "typescript": "^3.9.7",
     "wget-improved": "^3.2.1"
   },

src/installer.ts

@@ -165,6 +165,12 @@ export class DotnetCoreInstaller {
       });
     }
 
+    if (resultCode != 0) {
+      throw new Error(`Failed to install dotnet ${resultCode}. ${output}`);
+    }
+  }
+
+  static addToPath() {
     if (process.env['DOTNET_INSTALL_DIR']) {
       core.addPath(process.env['DOTNET_INSTALL_DIR']);
       core.exportVariable('DOTNET_ROOT', process.env['DOTNET_INSTALL_DIR']);
@@ -189,10 +195,6 @@ export class DotnetCoreInstaller {
     }
 
     console.log(process.env['PATH']);
-
-    if (resultCode != 0) {
-      throw new Error(`Failed to install dotnet ${resultCode}. ${output}`);
-    }
   }
 
   // versionInfo - versionInfo of the SDK/Runtime
@@ -283,7 +285,14 @@ export class DotnetCoreInstaller {
       );
     }
 
-    return releasesInfo[0]['releases.json'];
+    const releaseInfo = releasesInfo[0];
+    if (releaseInfo['support-phase'] === 'eol') {
+      core.warning(
+        `${releaseInfo['product']} ${releaseInfo['channel-version']} is no longer supported and will not receive security updates in the future. Please refer to https://aka.ms/dotnet-core-support for more information about the .NET support policy.`
+      );
+    }
+
+    return releaseInfo['releases.json'];
   }
 
   private version: string;
@@ -291,4 +300,4 @@ export class DotnetCoreInstaller {
 }
 
 const DotNetCoreIndexUrl: string =
-  'https://dotnetcli.blob.core.windows.net/dotnet/release-metadata/releases-index.json';
+  'https://builds.dotnet.microsoft.com/dotnet/release-metadata/releases-index.json';

src/setup-dotnet.ts

@@ -13,32 +13,29 @@ export async function run() {
     // If a valid version still can't be identified, nothing will be installed.
     // Proxy, auth, (etc) are still set up, even if no version is identified
     //
-    let version = core.getInput('dotnet-version');
+    let versions = core.getMultilineInput('dotnet-version');
-    if (!version) {
+    if (!versions.length) {
       // Try to fall back to global.json
       core.debug('No version found, trying to find version from global.json');
       const globalJsonPath = path.join(process.cwd(), 'global.json');
       if (fs.existsSync(globalJsonPath)) {
-        const globalJson = JSON.parse(
+        versions.push(getVersionFromGlobalJson(globalJsonPath));
-          // .trim() is necessary to strip BOM https://github.com/nodejs/node/issues/20649
-          fs.readFileSync(globalJsonPath, {encoding: 'utf8'}).trim()
-        );
-        if (globalJson.sdk && globalJson.sdk.version) {
-          version = globalJson.sdk.version;
-        }
       }
     }
 
-    if (version) {
+    if (versions.length) {
       const includePrerelease: boolean =
         (core.getInput('include-prerelease') || 'false').toLowerCase() ===
         'true';
-
+      let dotnetInstaller!: installer.DotnetCoreInstaller;
-      const dotnetInstaller = new installer.DotnetCoreInstaller(
+      for (const version of new Set<string>(versions)) {
-        version,
+        dotnetInstaller = new installer.DotnetCoreInstaller(
-        includePrerelease
+          version,
-      );
+          includePrerelease
-      await dotnetInstaller.installDotnet();
+        );
+        await dotnetInstaller.installDotnet();
+      }
+      installer.DotnetCoreInstaller.addToPath();
     }
 
     const sourceUrl: string = core.getInput('source-url');
@@ -54,4 +51,21 @@ export async function run() {
   }
 }
 
+function getVersionFromGlobalJson(globalJsonPath: string): string {
+  let version: string = '';
+  const globalJson = JSON.parse(
+    // .trim() is necessary to strip BOM https://github.com/nodejs/node/issues/20649
+    fs.readFileSync(globalJsonPath, {encoding: 'utf8'}).trim()
+  );
+  if (globalJson.sdk && globalJson.sdk.version) {
+    version = globalJson.sdk.version;
+    const rollForward = globalJson.sdk.rollForward;
+    if (rollForward && rollForward === 'latestFeature') {
+      const [major, minor] = version.split('.');
+      version = `${major}.${minor}`;
+    }
+  }
+  return version;
+}
+
 run();