update latest install scripts

* Use new .NET CDN URL

* Update to latest install-dotnet scripts

* Use signed version of new `install-dotnet.ps1`

* Add fallback to old CDN URL

.github/dependabot.yml

@@ -0,0 +1,22 @@
+# To get started with Dependabot version updates, you'll need to specify which
+# package ecosystems to update and where the package manifests are located.
+# Please see the documentation for all configuration options:
+# https://docs.github.com/code-security/dependabot/dependabot-version-updates/configuration-options-for-the-dependabot.yml-file
+
+version: 2
+updates:
+  # Enable version updates for npm
+  - package-ecosystem: 'npm'
+    # Look for `package.json` and `lock` files in the `root` directory
+    directory: '/'
+    # Check the npm registry for updates every day (weekdays)
+    schedule:
+      interval: 'weekly'
+
+  # Enable version updates for GitHub Actions
+  - package-ecosystem: 'github-actions'
+    # Workflow files stored in the default location of `.github/workflows`
+    # You don't need to specify `/.github/workflows` for `directory`. You can use `directory: "/"`.
+    directory: '/'
+    schedule:
+      interval: 'weekly'

.github/workflows/e2e-tests.yml

@@ -17,7 +17,7 @@ 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
@@ -35,12 +35,35 @@ jobs:
         shell: pwsh
         run: __tests__/verify-dotnet.ps1 -Patterns "^2.2.402$", "^3.1.404$", "^3.0"
 
+  test-setup-multiple-versions-extended:
+    runs-on: ${{ matrix.operating-system }}
+    strategy:
+      fail-fast: false
+      matrix:
+        operating-system: [ubuntu-latest, macos-latest]
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Clear toolcache
+        shell: pwsh
+        run: __tests__/clear-toolcache.ps1 ${{ runner.os }}
+      - name: Setup dotnet 6.0.427, 8.0.403 and 8.0.x
+        uses: ./
+        with:
+          dotnet-version: |
+            6.0.427
+            8.0.403
+            8.0.x
+      - name: Verify dotnet
+        shell: pwsh
+        run: __tests__/verify-dotnet.ps1 -Patterns "^6.0.427$", "^8.0.403$", "^8.0"
+
   test-setup-full-version:
     runs-on: ${{ matrix.operating-system }}
     strategy:
       fail-fast: false
       matrix:
-        operating-system: [ubuntu-latest, windows-latest, macos-13]
+        operating-system: [ubuntu-22.04, windows-latest, macos-13]
     steps:
       - name: Checkout
         uses: actions/checkout@v4
@@ -64,12 +87,41 @@ jobs:
         shell: pwsh
         run: __tests__/verify-dotnet.ps1 -Patterns "^3.1.201$", "^2.2.402$" -CheckNugetConfig
 
+  test-setup-full-version-extended:
+    runs-on: ${{ matrix.operating-system }}
+    strategy:
+      fail-fast: false
+      matrix:
+        operating-system: [ubuntu-latest, macos-latest]
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Clear toolcache
+        shell: pwsh
+        run: __tests__/clear-toolcache.ps1 ${{ runner.os }}
+      # Side-by-side install of 6.0 and 8.0 used for the test project
+      - name: Setup dotnet 6.0.427
+        uses: ./
+        with:
+          dotnet-version: 6.0.427
+      - name: Setup dotnet 8.0.402
+        uses: ./
+        with:
+          dotnet-version: 8.0.402
+          # We are including this variable to force the generation of the nuget config file to verify that it is created in the correct place
+          source-url: https://api.nuget.org/v3/index.json
+        env:
+          NUGET_AUTH_TOKEN: NOTATOKEN
+      - name: Verify dotnet
+        shell: pwsh
+        run: __tests__/verify-dotnet.ps1 -Patterns "^8.0.402$", "^6.0.427$" -CheckNugetConfig
+
   test-setup-without-patch-version:
     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-13]
     steps:
       - name: Checkout
         uses: actions/checkout@v4
@@ -89,12 +141,37 @@ jobs:
         shell: pwsh
         run: __tests__/verify-dotnet.ps1 -Patterns "^3.1", "^2.2"
 
+  test-setup-without-patch-version-extended:
+    runs-on: ${{ matrix.operating-system }}
+    strategy:
+      fail-fast: false
+      matrix:
+        operating-system: [ubuntu-latest, macos-latest]
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Clear toolcache
+        shell: pwsh
+        run: __tests__/clear-toolcache.ps1 ${{ runner.os }}
+      # 6.0, 7.0, 8.0 needs to be in single quotes to interpret as a string instead of as an integer
+      - name: Setup dotnet '8.0'
+        uses: ./
+        with:
+          dotnet-version: '8.0'
+      - name: Setup dotnet '6.0'
+        uses: ./
+        with:
+          dotnet-version: '6.0'
+      - name: Verify dotnet
+        shell: pwsh
+        run: __tests__/verify-dotnet.ps1 -Patterns "^8.0", "^6.0"
+
   test-setup-prerelease-version:
     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-13]
     steps:
       - name: Checkout
         uses: actions/checkout@v4
@@ -109,12 +186,32 @@ jobs:
         shell: pwsh
         run: __tests__/verify-dotnet.ps1 -Patterns "3.1.100-preview1-014459"
 
+  test-setup-prerelease-version-extended:
+    runs-on: ${{ matrix.operating-system }}
+    strategy:
+      fail-fast: false
+      matrix:
+        operating-system: [ubuntu-latest, macos-latest]
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Clear toolcache
+        shell: pwsh
+        run: __tests__/clear-toolcache.ps1 ${{ runner.os }}
+      - name: Setup dotnet '8.0.100-preview.1.23115.2'
+        uses: ./
+        with:
+          dotnet-version: '8.0.100-preview.1.23115.2'
+      - name: Verify dotnet
+        shell: pwsh
+        run: __tests__/verify-dotnet.ps1 -Patterns "8.0.100-preview.1.23115.2"
+
   test-setup-latest-patch-version:
     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-13]
     steps:
       - name: Checkout
         uses: actions/checkout@v4
@@ -133,12 +230,37 @@ jobs:
         shell: pwsh
         run: __tests__/verify-dotnet.ps1 -Patterns "^2.2", "^3.1"
 
+  test-setup-latest-patch-version-extended:
+    runs-on: ${{ matrix.operating-system }}
+    strategy:
+      fail-fast: false
+      matrix:
+        operating-system: [ubuntu-latest, macos-latest]
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Clear toolcache
+        shell: pwsh
+        run: __tests__/clear-toolcache.ps1 ${{ runner.os }}
+      - name: Setup dotnet 8.0.x
+        uses: ./
+        with:
+          dotnet-version: 8.0.x
+      - name: Setup dotnet 6.0.X
+        uses: ./
+        with:
+          dotnet-version: 6.0.X
+      - name: Verify dotnet
+        shell: pwsh
+        run: __tests__/verify-dotnet.ps1 -Patterns "^6.0", "^8.0"
+
   test-ABCxx-syntax:
     runs-on: ${{ matrix.operating-system }}
     strategy:
       fail-fast: false
       matrix:
-        operating-system: [ubuntu-latest, windows-latest, macos-13]
+        operating-system:
+          [ubuntu-latest, windows-latest, macos-13, macos-latest]
     steps:
       - name: Checkout
         uses: actions/checkout@v4
@@ -159,7 +281,7 @@ 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
@@ -178,12 +300,36 @@ jobs:
         shell: pwsh
         run: __tests__/verify-dotnet.ps1 -Patterns "^3.1", "^2.2"
 
+  test-setup-with-wildcard-extended:
+    runs-on: ${{ matrix.operating-system }}
+    strategy:
+      fail-fast: false
+      matrix:
+        operating-system: [ubuntu-latest, macos-latest]
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Clear toolcache
+        shell: pwsh
+        run: __tests__/clear-toolcache.ps1 ${{ runner.os }}
+      - name: Setup dotnet 8.0.*
+        uses: ./
+        with:
+          dotnet-version: 8.0.*
+      - name: Setup dotnet 6.0.*
+        uses: ./
+        with:
+          dotnet-version: 6.0.*
+      - name: Verify dotnet
+        shell: pwsh
+        run: __tests__/verify-dotnet.ps1 -Patterns "^8.0", "^6.0"
+
   test-setup-global-json-specified-and-version:
     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-13]
     steps:
       - name: Checkout
         uses: actions/checkout@v4
@@ -204,12 +350,38 @@ jobs:
         shell: pwsh
         run: __tests__/verify-dotnet.ps1 -Patterns "^2.2", "^3.1"
 
+  test-setup-global-json-specified-and-version-extended:
+    runs-on: ${{ matrix.operating-system }}
+    strategy:
+      fail-fast: false
+      matrix:
+        operating-system: [ubuntu-latest, macos-latest]
+    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 '{"sdk":{"version": "6.0.424","rollForward": "latestFeature"}}' > ./subdirectory/global.json
+      - name: Setup dotnet
+        uses: ./
+        with:
+          dotnet-version: '8.0'
+          global-json-file: ./subdirectory/global.json
+      - name: Verify dotnet
+        shell: pwsh
+        run: __tests__/verify-dotnet.ps1 -Patterns "^6.0", "^8.0"
+
   test-setup-global-json-only:
     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-13]
     steps:
       - name: Checkout
         uses: actions/checkout@v4
@@ -229,12 +401,37 @@ jobs:
         shell: pwsh
         run: __tests__/verify-dotnet.ps1 -Patterns "^2.2"
 
+  test-setup-global-json-only-extended:
+    runs-on: ${{ matrix.operating-system }}
+    strategy:
+      fail-fast: false
+      matrix:
+        operating-system: [ubuntu-latest, macos-latest]
+    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 '{"sdk":{"version": "6.0.424","rollForward": "latestFeature"}}' > ./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 "^6.0"
+
   test-global-json-with-comments:
     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-13]
     steps:
       - name: Checkout
         uses: actions/checkout@v4
@@ -254,12 +451,38 @@ jobs:
         shell: pwsh
         run: __tests__/verify-dotnet.ps1 -Patterns "^2.2"
 
+  test-global-json-with-comments-extended:
+    runs-on: ${{ matrix.operating-system }}
+    strategy:
+      fail-fast: false
+      matrix:
+        operating-system: [ubuntu-latest, macos-latest]
+    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": "6.0.424","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 "^6.0"
+
   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-latest, windows-latest, macos-13, macos-latest]
     steps:
       - name: Checkout
         uses: actions/checkout@v4
@@ -281,7 +504,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        operating-system: [ubuntu-latest, windows-latest, macos-13]
+        operating-system: [ubuntu-22.04, windows-latest, macos-13]
     env:
       NUGET_PACKAGES: ${{ github.workspace }}/.nuget/packages
     steps:
@@ -307,12 +530,43 @@ jobs:
         shell: pwsh
         run: __tests__/verify-dotnet.ps1 -Patterns "^3.1"
 
+  test-setup-with-cache-extended:
+    runs-on: ${{ matrix.operating-system }}
+    strategy:
+      fail-fast: false
+      matrix:
+        operating-system: [ubuntu-latest, macos-latest]
+    env:
+      NUGET_PACKAGES: ${{ github.workspace }}/.nuget/packages
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Clear toolcache
+        shell: pwsh
+        run: __tests__/clear-toolcache.ps1 ${{ runner.os }}
+      - name: Copy NuGet lock file to root
+        shell: bash
+        run: cp ./__tests__/e2e-test-csproj/packages.lock.json ./packages.lock.json
+      - name: Setup .NET Core 8.0
+        id: setup-dotnet
+        uses: ./
+        with:
+          dotnet-version: '8.0'
+          cache: true
+      - name: Verify Cache
+        if: steps.setup-dotnet.outputs.cache-hit == 'true'
+        shell: bash
+        run: if [[ -e ${NUGET_PACKAGES} ]]; then exit 0; else exit 1; fi
+      - name: Verify dotnet
+        shell: pwsh
+        run: __tests__/verify-dotnet.ps1 -Patterns "^8.0"
+
   test-setup-with-cache-dependency-path:
     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-13]
     env:
       NUGET_PACKAGES: ${{ github.workspace }}/.nuget/packages
     steps:
@@ -336,12 +590,42 @@ jobs:
         shell: pwsh
         run: __tests__/verify-dotnet.ps1 -Patterns "^3.1"
 
+  test-setup-with-cache-dependency-path-extended:
+    runs-on: ${{ matrix.operating-system }}
+    strategy:
+      fail-fast: false
+      matrix:
+        operating-system: [ubuntu-latest, macos-latest]
+    env:
+      NUGET_PACKAGES: ${{ github.workspace }}/.nuget/packages
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Clear toolcache
+        shell: pwsh
+        run: __tests__/clear-toolcache.ps1 ${{ runner.os }}
+      - name: Setup .NET Core 8.0
+        id: setup-dotnet
+        uses: ./
+        with:
+          dotnet-version: '8.0'
+          cache: true
+          cache-dependency-path: './__tests__/e2e-test-csproj/packages.lock.json'
+      - name: Verify Cache
+        if: steps.setup-dotnet.outputs.cache-hit == 'true'
+        shell: bash
+        run: if [[ -e ${NUGET_PACKAGES} ]]; then exit 0; else exit 1; fi
+      - name: Verify dotnet
+        shell: pwsh
+        run: __tests__/verify-dotnet.ps1 -Patterns "^8.0"
+
   test-dotnet-version-output-during-single-version-installation:
     runs-on: ${{ matrix.operating-system }}
     strategy:
       fail-fast: false
       matrix:
-        operating-system: [ubuntu-latest, windows-latest, macos-13]
+        operating-system:
+          [ubuntu-latest, windows-latest, macos-13, macos-latest]
     steps:
       - name: Checkout
         uses: actions/checkout@v4
@@ -367,7 +651,8 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        operating-system: [ubuntu-latest, windows-latest, macos-13]
+        operating-system:
+          [ubuntu-latest, windows-latest, macos-13, macos-latest]
     steps:
       - name: Checkout
         uses: actions/checkout@v4
@@ -431,7 +716,7 @@ 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
@@ -452,12 +737,34 @@ jobs:
         shell: pwsh
         run: __tests__/verify-dotnet.ps1 -Patterns "^3.1.201$" -CheckNugetConfig
 
+  test-bypass-proxy-extended:
+    runs-on: ubuntu-latest
+    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
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Clear toolcache
+        shell: pwsh
+        run: __tests__/clear-toolcache.ps1 ${{ runner.os }}
+      - name: Setup dotnet 8.0.402
+        uses: ./
+        with:
+          dotnet-version: 8.0.402
+          source-url: https://api.nuget.org/v3/index.json
+        env:
+          NUGET_AUTH_TOKEN: NOTATOKEN
+      - name: Verify dotnet
+        shell: pwsh
+        run: __tests__/verify-dotnet.ps1 -Patterns "^8.0.402$" -CheckNugetConfig
+
   test-sequential-version-installation:
     runs-on: ${{ matrix.operating-system }}
     strategy:
       fail-fast: false
       matrix:
-        operating-system: [ubuntu-latest, windows-latest, macos-13]
+        operating-system: [ubuntu-22.04, windows-latest, macos-13]
         lower-version: ['3.1.426']
         higher-version: ['7.0.203']
     steps:
@@ -481,3 +788,33 @@ jobs:
       - name: Verify dotnet (higher version)
         shell: pwsh
         run: __tests__/verify-dotnet.ps1 -Patterns "^${{ matrix.lower-version }}$", "^${{ matrix.higher-version }}$"
+
+  test-sequential-version-installation-extended:
+    runs-on: ${{ matrix.operating-system }}
+    strategy:
+      fail-fast: false
+      matrix:
+        operating-system: [ubuntu-latest, macos-latest]
+        lower-version: ['6.0.425']
+        higher-version: ['8.0.403']
+    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/release-new-action-version.yml

@@ -23,7 +23,7 @@ jobs:
     steps:
       - name: Update the ${{ env.TAG_NAME }} tag
         id: update-major-tag
-        uses: actions/publish-action@v0.2.2
+        uses: actions/publish-action@v0.3.0
         with:
           source-tag: ${{ env.TAG_NAME }}
           slack-webhook: ${{ secrets.SLACK_WEBHOOK }}

.github/workflows/test-dotnet.yml

@@ -17,8 +17,30 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        operating-system: [ubuntu-latest, windows-latest, macos-13]
+        operating-system:
+          [ubuntu-latest, ubuntu-22.04, windows-latest, macos-13, macos-latest]
         dotnet-version: ['2.1', '2.2', '3.0', '3.1', '5.0', '6.0', '7.0', '8.0']
+        exclude:
+          - dotnet-version: '2.1'
+            operating-system: ubuntu-latest
+          - dotnet-version: '2.2'
+            operating-system: ubuntu-latest
+          - dotnet-version: '3.0'
+            operating-system: ubuntu-latest
+          - dotnet-version: '3.1'
+            operating-system: ubuntu-latest
+          - dotnet-version: '5.0'
+            operating-system: ubuntu-latest
+          - dotnet-version: '2.1'
+            operating-system: macos-latest
+          - dotnet-version: '2.2'
+            operating-system: macos-latest
+          - dotnet-version: '3.0'
+            operating-system: macos-latest
+          - dotnet-version: '3.1'
+            operating-system: macos-latest
+          - dotnet-version: '5.0'
+            operating-system: macos-latest
     steps:
       - name: Checkout
         uses: actions/checkout@v4

dist/setup/index.js

@@ -93806,7 +93806,13 @@ class DotnetVersionResolver {
                 allowRetries: true,
                 maxRetries: 3
             });
-            const response = yield httpClient.getJson(DotnetVersionResolver.DotnetCoreIndexUrl);
+            let response;
+            try {
+                response = yield httpClient.getJson(DotnetVersionResolver.DotnetCoreIndexUrl);
+            }
+            catch (error) {
+                response = yield httpClient.getJson(DotnetVersionResolver.DotnetCoreIndexFallbackUrl);
+            }
             const result = response.result || {};
             const releasesInfo = result['releases-index'];
             const releaseInfo = releasesInfo.find(info => {
@@ -93821,7 +93827,8 @@ class DotnetVersionResolver {
     }
 }
 exports.DotnetVersionResolver = DotnetVersionResolver;
-DotnetVersionResolver.DotnetCoreIndexUrl = 'https://dotnetcli.azureedge.net/dotnet/release-metadata/releases-index.json';
+DotnetVersionResolver.DotnetCoreIndexUrl = 'https://builds.dotnet.microsoft.com/dotnet/release-metadata/releases-index.json';
+DotnetVersionResolver.DotnetCoreIndexFallbackUrl = 'https://dotnetcli.azureedge.net/dotnet/release-metadata/releases-index.json';
 class DotnetInstallScript {
     constructor() {
         this.scriptName = utils_1.IS_WINDOWS ? 'install-dotnet.ps1' : 'install-dotnet.sh';

externals/install-dotnet.sh

@@ -956,6 +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 - $1
@@ -967,16 +998,7 @@ copy_files_or_dirs_from_list() {
     local root_path="$(remove_trailing_slash "$1")"
     local out_path="$(remove_trailing_slash "$2")"
     local override="$3"
-    local override_switch=""
-
-    if [ "$override" = false ]; then
-        override_switch="-n"
-
-        # use -u instead of -n when it's available
-        if cp -u --help >/dev/null 2>&1; then
-            override_switch="-u"
-        fi
-    fi
+    local override_switch="$(get_cp_options "$override")"
 
     cat | uniq | while read -r file_path; do
         local path="$(remove_beginning_slash "${file_path#$root_path}")"
@@ -1250,6 +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
 
@@ -1302,6 +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
@@ -1313,23 +1395,16 @@ get_download_link_from_aka_ms() {
 get_feeds_to_use()
 {
     feeds=(
-    "https://dotnetcli.azureedge.net/dotnet"
-    "https://dotnetbuilds.azureedge.net/public"
+    "https://builds.dotnet.microsoft.com/dotnet"
+    "https://ci.dot.net/public"
     )
 
     if [[ -n "$azure_feed" ]]; then
         feeds=("$azure_feed")
     fi
 
-    if [[ "$no_cdn" == "true" ]]; then
-        feeds=(
-        "https://dotnetcli.blob.core.windows.net/dotnet"
-        "https://dotnetbuilds.blob.core.windows.net/public"
-        )
-
-        if [[ -n "$uncached_feed" ]]; then
-            feeds=("$uncached_feed")
-        fi
+    if [[ -n "$uncached_feed" ]]; then
+        feeds=("$uncached_feed")
     fi
 }
 
@@ -1461,7 +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.
@@ -1564,7 +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"
@@ -1625,7 +1700,6 @@ install_dir="<auto>"
 architecture="<auto>"
 dry_run=false
 no_path=false
-no_cdn=false
 azure_feed=""
 uncached_feed=""
 feed_credential=""
@@ -1698,10 +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"
@@ -1806,13 +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-lock.json

@@ -2907,9 +2907,9 @@
       }
     },
     "node_modules/cross-spawn": {
-      "version": "7.0.3",
-      "resolved": "https://registry.npmjs.org/cross-spawn/-/cross-spawn-7.0.3.tgz",
-      "integrity": "sha512-iRDPJKUPVEND7dHPO8rkbOnPpyDygcDFtWjpeWNCgy8WP2rXcxXL8TskReQl6OrB2G7+UJrags1q15Fudc7G6w==",
+      "version": "7.0.6",
+      "resolved": "https://registry.npmjs.org/cross-spawn/-/cross-spawn-7.0.6.tgz",
+      "integrity": "sha512-uV2QOWP2nWzsy2aMp8aRibhi9dlzF5Hgh5SHaB9OiTGEyDTiJJyx0uy51QXdyWbtAHNua4XJzUKca3OzKUd3vA==",
       "dev": true,
       "dependencies": {
         "path-key": "^3.1.0",
@@ -4795,12 +4795,12 @@
       }
     },
     "node_modules/micromatch": {
-      "version": "4.0.5",
-      "resolved": "https://registry.npmjs.org/micromatch/-/micromatch-4.0.5.tgz",
-      "integrity": "sha512-DMy+ERcEW2q8Z2Po+WNXuw3c5YaUSFjAO5GsJqfEl7UjvtIuFKO6ZrKvcItdy98dwFI2N1tg3zNIdKaQT+aNdA==",
+      "version": "4.0.8",
+      "resolved": "https://registry.npmjs.org/micromatch/-/micromatch-4.0.8.tgz",
+      "integrity": "sha512-PXwfBhYu0hBCPw8Dn0E+WDYb7af3dSLVWKi3HGv84IdF4TyFoC0ysxFd0Goxw7nSv4T/PzEJQxsYsEiFCKo2BA==",
       "dev": true,
       "dependencies": {
-        "braces": "^3.0.2",
+        "braces": "^3.0.3",
         "picomatch": "^2.3.1"
       },
       "engines": {

src/installer.ts

@@ -101,9 +101,18 @@ export class DotnetVersionResolver {
       allowRetries: true,
       maxRetries: 3
     });
-    const response = await httpClient.getJson<any>(
-      DotnetVersionResolver.DotnetCoreIndexUrl
-    );
+
+    let response;
+    try {
+      response = await httpClient.getJson<any>(
+        DotnetVersionResolver.DotnetCoreIndexUrl
+      );
+    } catch (error) {
+      response = await httpClient.getJson<any>(
+        DotnetVersionResolver.DotnetCoreIndexFallbackUrl
+      );
+    }
+
     const result = response.result || {};
     const releasesInfo: any[] = result['releases-index'];
 
@@ -122,6 +131,8 @@ export class DotnetVersionResolver {
   }
 
   static DotnetCoreIndexUrl =
+    'https://builds.dotnet.microsoft.com/dotnet/release-metadata/releases-index.json';
+  static DotnetCoreIndexFallbackUrl =
     'https://dotnetcli.azureedge.net/dotnet/release-metadata/releases-index.json';
 }