Merge remote-tracking branch 'upstream/main' into dependabot/npm_and_yarn/node-notifier-8.0.1

.github/CODEOWNERS

@@ -0,0 +1 @@
+* @actions/virtual-environments-owners

.github/ISSUE_TEMPLATE/bug_report.md

@@ -2,22 +2,31 @@
 name: Bug report
 about: Create a bug report
 title: ''
-labels: ''
+labels: bug, needs triage
 assignees: ''
 
 ---
 
-### Description
+**Description:**
+A clear and concise description of what the bug is.
 
-<!--
+**Task version:**
-* Please share short description of the problem
+Specify the task version
-  -->
 
-### Details
+**Platform:**
+- [ ] Ubuntu
+- [ ] macOS
+- [ ] Windows
 
-<!--
+**Runner type:**
-* Include the relevant yaml, platform, and dotnet versions in use
+- [ ] Hosted
-* If an error occurred on a public action, please share a link
+- [ ] Self-hosted
-* Include any error messages received in text (search does not work for images)
+
-* Was this a regression from previous behavior?
+**Repro steps:**  
-  -->
+A description with steps to reproduce the issue. If your have a public example or repo to share, please provide the link.
+
+**Expected behavior:**
+A description of what you expected to happen.
+
+**Actual behavior:**
+A description of what is actually happening.

.github/ISSUE_TEMPLATE/config.yml

@@ -1,4 +1,4 @@
-blank_issues_enabled: true
+blank_issues_enabled: false
 contact_links:
   - name: .NET issues
     url: https://github.com/dotnet/runtime#filing-issues

.github/ISSUE_TEMPLATE/feature_request.md

@@ -0,0 +1,16 @@
+---
+name: Feature request
+about: Suggest an idea for this project
+title: ''
+labels: feature request, needs triage
+assignees: ''
+---
+
+**Description:**
+Describe your proposal.
+
+**Justification:**
+Justification or a use case for your proposal.
+
+**Are you willing to submit a PR?**
+<!--- We accept contributions! -->

.github/pull_request_template.md

@@ -0,0 +1,9 @@
+**Description:**
+Describe your changes.
+
+**Related issue:**
+Add link to the related issue.
+
+**Check list:**
+- [ ] Mark if documentation changes are required.
+- [ ] Mark if tests were added or updated to cover the changes.

.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

@@ -0,0 +1,37 @@
+name: Validate dotnet
+
+on:
+  pull_request:
+    paths-ignore:
+      - '**.md'
+  push:
+    branches:
+      - main
+      - releases/*
+    paths-ignore:
+      - '**.md'
+
+jobs:
+  setup-version:
+    runs-on: ${{ matrix.operating-system }}
+    strategy:
+      fail-fast: false
+      matrix:
+        operating-system: [ubuntu-latest, windows-latest, macOS-latest]
+        dotnet-version: ['2.1', '2.2', '3.0', '3.1', '5.0']
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+      - name: Clear toolcache
+        shell: pwsh
+        run: __tests__/clear-toolcache.ps1 ${{ runner.os }}
+      - name: Setup dotnet ${{ matrix.dotnet-version }}
+        uses: ./
+        with:
+          dotnet-version: ${{ matrix.dotnet-version }}
+      - name: Check installed version
+        shell: pwsh
+        run: |
+          $version = & dotnet --version
+          Write-Host "Installed version: $version"
+          if (-not $version.StartsWith("${{ matrix.dotnet-version }}")) { throw "Unexpected version" }

.github/workflows/workflow.yml

@@ -2,10 +2,14 @@ name: Main workflow
 
 on:
   pull_request:
+    paths-ignore:
+      - '**.md'
   push:
     branches:
       - main
       - releases/*
+    paths-ignore:
+      - '**.md'
 
 jobs:
   build:
@@ -29,7 +33,7 @@ jobs:
       if: runner.os != 'windows'
       run: __tests__/verify-no-unstaged-changes.sh
 
-  test:
+  test-setup-full-version:
     runs-on: ${{ matrix.operating-system }}
     strategy:
       fail-fast: false
@@ -38,25 +42,9 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v2
-      - name: Clear tool cache (macOS)
+      - name: Clear toolcache
-        if: runner.os == 'macos'
+        shell: pwsh
-        run: |
+        run: __tests__/clear-toolcache.ps1 ${{ runner.os }}
-          echo $PATH
-          dotnet --info
-          rm -rf "/Users/runner/.dotnet"
-      - name: Clear tool cache (Ubuntu)
-        if: runner.os == 'linux'
-        run: |
-          echo $PATH
-          dotnet --info
-          rm -rf "/usr/share/dotnet"
-      - name: Clear tool cache (Windows)
-        if: runner.os == 'windows'
-        run: |
-          echo $env:PATH
-          dotnet --info
-          Remove-Item $env:LocalAppData\Microsoft\dotnet/*  -Recurse -Force -ErrorAction SilentlyContinue
-          Remove-Item "$env:ProgramFiles\dotnet/*"  -Recurse -Force -ErrorAction SilentlyContinue
       # Side-by-side install of 2.2 and 3.1 used for the test project
       - name: Setup dotnet 2.2.402
         uses: ./
@@ -70,70 +58,86 @@ jobs:
           source-url: https://api.nuget.org/v3/index.json
         env:
           NUGET_AUTH_TOKEN: NOTATOKEN
+      - name: Verify nuget config file
+        shell: pwsh
+        run: |
+          if (-Not (Test-Path "../nuget.config")) { throw "nuget file not generated correctly" }
       - name: Verify dotnet
-        if: runner.os != 'windows'
+        shell: pwsh
-        run: __tests__/verify-dotnet.sh 3.1.201 2.2.402
-      - name: Verify dotnet (Windows)
-        if: runner.os == 'windows'
         run: __tests__/verify-dotnet.ps1 3.1.201 2.2.402
 
-      # Set new cache before 2 digit install
+  test-setup-without-patch-version:
-      - name: Set new tool cache (macOS)
+    runs-on: ${{ matrix.operating-system }}
-        if: runner.os == 'macos'
+    strategy:
-        run: |
+      fail-fast: false
-          echo "DOTNET_INSTALL_DIR=/Users/runner/.dotnet2" >> $GITHUB_ENV
+      matrix:
-      - name: Set new tool cache (Ubuntu)
+        operating-system: [ubuntu-latest, windows-latest, macOS-latest]
-        if: runner.os == 'linux'
+    steps:
-        run: |
+      - name: Checkout
-          echo "DOTNET_INSTALL_DIR=/home/runner/.dotnet2" >> $GITHUB_ENV
+        uses: actions/checkout@v2
-      - name: Set new tool cache (Windows)
+      - name: Clear toolcache
-        if: runner.os == 'windows'
+        shell: pwsh
-        shell: bash
+        run: __tests__/clear-toolcache.ps1 ${{ runner.os }}
-        run: |
-          echo "DOTNET_INSTALL_DIR=$LocalAppData\Microsoft\dotnet2" >> $GITHUB_ENV
       # 2.0, 3.0, 5.0 needs to be in single quotes to interpret as a string instead of as an integer
-      - name: Setup dotnet '2.0'
+      - name: Setup dotnet '3.1'
         uses: ./
         with:
-          dotnet-version: '2.0'
+          dotnet-version: '3.1'
+      - name: Setup dotnet '2.2'
+        uses: ./
+        with:
+          dotnet-version: '2.2'
+      - name: Verify dotnet
+        shell: pwsh
+        run: __tests__/verify-dotnet.ps1 3.1 2.2
+  
+  test-setup-latest-patch-version:
+    runs-on: ${{ matrix.operating-system }}
+    strategy:
+      fail-fast: false
+      matrix:
+        operating-system: [ubuntu-latest, 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 3.1.x
+        uses: ./
+        with:
+          dotnet-version: 3.1.x
+      - name: Setup dotnet 2.2.x
+        uses: ./
+        with:
+          dotnet-version: 2.2.x
+      - name: Verify dotnet
+        shell: pwsh
+        run: __tests__/verify-dotnet.ps1 3.1 2.2
 
-      # Clear cache before .x version install
+  test-setup-with-wildcard:
-      - name: Set new tool cache (macOS)
+    runs-on: ${{ matrix.operating-system }}
-        if: runner.os == 'macos'
+    strategy:
-        run: |
+      fail-fast: false
-          echo "DOTNET_INSTALL_DIR=/Users/runner/.dotnet3" >> $GITHUB_ENV
+      matrix:
-      - name: Set new tool cache (Ubuntu)
+        operating-system: [ubuntu-latest, windows-latest, macOS-latest]
-        if: runner.os == 'linux'
+    steps:
-        run: |
+      - name: Checkout
-          echo "DOTNET_INSTALL_DIR=/home/runner/.dotnet3" >> $GITHUB_ENV
+        uses: actions/checkout@v2
-      - name: Set new tool cache (Windows)
+      - name: Clear toolcache
-        if: runner.os == 'windows'
+        shell: pwsh
-        shell: bash
+        run: __tests__/clear-toolcache.ps1 ${{ runner.os }}
-        run: |
+      - name: Setup dotnet 3.1.*
-          echo "DOTNET_INSTALL_DIR=$LocalAppData\Microsoft\dotnet3"  >> $GITHUB_ENV
-      - name: Setup dotnet 2.0.x
         uses: ./
         with:
-          dotnet-version: 2.0.x
+          dotnet-version: 3.1.*
-
+      - name: Setup dotnet 2.2.*
-      # Clear cache before .* version install
-      - name: Set new tool cache (macOS)
-        if: runner.os == 'macos'
-        run: |
-          echo "DOTNET_INSTALL_DIR=/Users/runner/.dotnet4" >> $GITHUB_ENV
-      - name: Set new tool cache (Ubuntu)
-        if: runner.os == 'linux'
-        run: |
-          echo "DOTNET_INSTALL_DIR=/home/runner/.dotnet4" >> $GITHUB_ENV
-      - name: Set new tool cache (Windows)
-        if: runner.os == 'windows'
-        shell: bash
-        run: |
-          echo "DOTNET_INSTALL_DIR=$LocalAppData\Microsoft\dotnet4" >> $GITHUB_ENV
-      - name: Setup dotnet 2.0.*
         uses: ./
         with:
-          dotnet-version: 2.0.*
+          dotnet-version: 2.2.*
+      - name: Verify dotnet
+        shell: pwsh
+        run: __tests__/verify-dotnet.ps1 3.1 2.2
 
   test-proxy:
     runs-on: ubuntu-latest

README.md

@@ -13,7 +13,7 @@ This action sets up a [dotnet core cli](https://github.com/dotnet/cli) environme
 Please 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://help.github.com/en/actions/reference/software-installed-on-github-hosted-runners)
+[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
@@ -23,13 +23,24 @@ See [action.yml](action.yml)
 Basic:
 ```yaml
 steps:
-- uses: actions/checkout@main
+- uses: actions/checkout@v2
 - uses: actions/setup-dotnet@v1
   with:
     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>
 ```
 
+Preview version:
+```yml
+steps:
+- uses: actions@checkout@v2
+- uses: actions/setup-dotnet@v1
+  with:
+    dotnet-version: '6.0.x'
+    include-prerelease: true
+- run: dotnet build <my project>
+```
+
 Matrix Testing:
 ```yaml
 jobs:
@@ -37,7 +48,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        dotnet: [ '2.2.103', '3.0', '3.1.x' ]
+        dotnet: [ '2.1.x', '3.1.x', '5.0.x' ]
     name: Dotnet ${{ matrix.dotnet }} sample
     steps:
       - uses: actions/checkout@v2
@@ -59,7 +70,7 @@ jobs:
       - name: Setup dotnet
         uses: actions/setup-dotnet@v1
         with:
-          dotnet-version: '2.2.103'
+          dotnet-version: '2.1.x'
       - name: Setup dotnet
         uses: actions/setup-dotnet@v1
         with:
@@ -82,10 +93,10 @@ 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
@@ -93,6 +104,16 @@ 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
@@ -113,7 +134,7 @@ build:
     - uses: actions/checkout@main
     - uses: actions/setup-dotnet@v1
       with:
-        dotnet-version: '3.1.100' # SDK Version to use.
+        dotnet-version: '3.1.x' # SDK Version to use.
 ```
 
 # License

__tests__/clear-toolcache.ps1

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

__tests__/verify-dotnet.ps1

@@ -3,30 +3,34 @@ if (!$args[0])
   throw "Must supply dotnet version argument"
 }
 
-if (-Not (Test-Path "../nuget.config"))
-{
-  throw "nuget file not generated correctly"
-}
-
 $dotnet = Get-Command dotnet | Select-Object -First 1 | ForEach-Object { $_.Path }
 Write-Host "Found '$dotnet'"
 
 $version = & $dotnet --version | Out-String | ForEach-Object { $_.Trim() }
 Write-Host "Version $version"
-if ($version -ne $args[0])
+if (-not ($version.StartsWith($args[0].ToString())))
 {
-  Write-Host "PATH='$env:path'"
+  Write-Host "PATH='$env:PATH'"
   throw "Unexpected version"
 }
 
 if ($args[1])
 {
   # SDKs are listed on multiple lines with the path afterwards in square brackets
-  $version = & $dotnet --list-sdks | ForEach-Object { $_.SubString(0, $_.IndexOf('[')).Trim() }
+  $versions = & $dotnet --list-sdks | ForEach-Object { $_.SubString(0, $_.IndexOf('[')).Trim() }
-  Write-Host "Version $version"
+  Write-Host "Installed versions: $versions"
-  if (-not ($version -contains $args[1]))
+  $isInstalledVersion = $false
+  foreach ($version in $versions)
   {
-    Write-Host "PATH='$env:path'"
+    if ($version.StartsWith($args[1].ToString())) 
+    {
+      $isInstalledVersion = $true
+      break
+    }
+  }
+  if (-not $isInstalledVersion)
+  {
+    Write-Host "PATH='$env:PATH'"
     throw "Unexpected version"
   }
 }

__tests__/versionutil.test.ts

@@ -13,6 +13,8 @@ describe('version tests', () => {
   );
 
   each([
+    ['3.x', '3.x'],
+    ['3.*', '3.*'],
     ['3.1.x', '3.1'],
     ['1.1.*', '1.1'],
     ['2.0', '2.0']
@@ -42,7 +44,6 @@ describe('version tests', () => {
     '.2.3',
     '.2.x',
     '1',
-    '2.x',
     '*.*.1',
     '*.1',
     '*.',

action.yml

@@ -1,18 +1,21 @@
 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 Core CLI in the PATH and set up authentication to a private NuGet repository'
 author: 'GitHub'
 branding:
   icon: play
   color: green
 inputs:
   dotnet-version:
-    description: 'SDK version to use. Examples: 2.2.104, 3.1, 3.1.x'
+    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'
   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:
     description: 'Optional OWNER for using packages from GitHub Package Registry organizations/users other than the current repository''s owner. Only used if a GPR URL is also provided in source-url'
   config-file:
     description: 'Optional NuGet.config location, if your NuGet.config isn''t located in the root of the repo.'
+  include-prerelease:
+    description: 'Whether prerelease versions should be matched with non-exact versions (for example 5.0.0-preview.6 being matched by 5, 5.0, 5.x or 5.0.x). Defaults to false if not provided.'
+    required: False
 runs:
   using: 'node12'
   main: 'dist/index.js'

dist/index.js

@@ -4840,11 +4840,26 @@ const github = __importStar(__webpack_require__(469));
 const xmlbuilder = __importStar(__webpack_require__(312));
 const xmlParser = __importStar(__webpack_require__(989));
 function configAuthentication(feedUrl, existingFileLocation = '', processRoot = process.cwd()) {
-    const existingNuGetConfig = path.resolve(processRoot, existingFileLocation == '' ? 'nuget.config' : existingFileLocation);
+    const existingNuGetConfig = path.resolve(processRoot, existingFileLocation === ''
+        ? getExistingNugetConfig(processRoot)
+        : existingFileLocation);
     const tempNuGetConfig = path.resolve(processRoot, '../', 'nuget.config');
     writeFeedToFile(feedUrl, existingNuGetConfig, tempNuGetConfig);
 }
 exports.configAuthentication = configAuthentication;
+function isValidKey(key) {
+    return /^[\w\-\.]+$/i.test(key);
+}
+function getExistingNugetConfig(processRoot) {
+    const defaultConfigName = 'nuget.config';
+    const configFileNames = fs
+        .readdirSync(processRoot)
+        .filter(filename => filename.toLowerCase() === defaultConfigName);
+    if (configFileNames.length) {
+        return configFileNames[0];
+    }
+    return defaultConfigName;
+}
 function writeFeedToFile(feedUrl, existingFileLocation, tempFileLocation) {
     console.log(`dotnet-auth: Finding any source references in ${existingFileLocation}, writing a new temporary configuration file with credentials to ${tempFileLocation}`);
     let xml;
@@ -4910,8 +4925,8 @@ function writeFeedToFile(feedUrl, existingFileLocation, tempFileLocation) {
     }
     xml = xml.ele('packageSourceCredentials');
     sourceKeys.forEach(key => {
-        if (key.indexOf(' ') > -1) {
+        if (!isValidKey(key)) {
-            throw new Error("This action currently can't handle source names with spaces. Remove the space from your repo's NuGet.config and try again.");
+            throw new Error("Source name can contain letters, numbers, and '-', '_', '.' symbols only. Please, fix source name in NuGet.config and try again.");
         }
         xml = xml
             .ele(key)
@@ -7814,14 +7829,18 @@ function run() {
                 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(fs.readFileSync(globalJsonPath, { encoding: 'utf8' }));
+                    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;
                     }
                 }
             }
             if (version) {
-                const dotnetInstaller = new installer.DotnetCoreInstaller(version);
+                const includePrerelease = (core.getInput('include-prerelease') || 'false').toLowerCase() ===
+                    'true';
+                const dotnetInstaller = new installer.DotnetCoreInstaller(version, includePrerelease);
                 yield dotnetInstaller.installDotnet();
             }
             const sourceUrl = core.getInput('source-url');
@@ -16868,15 +16887,16 @@ class DotNetVersionInfo {
             this.isExactVersionSet = true;
             return;
         }
-        //Note: No support for previews when using generic
+        const parts = version.split('.');
-        let parts = version.split('.');
         if (parts.length < 2 || parts.length > 3)
             this.throwInvalidVersionFormat();
         if (parts.length == 3 && parts[2] !== 'x' && parts[2] !== '*') {
             this.throwInvalidVersionFormat();
         }
-        let major = this.getVersionNumberOrThrow(parts[0]);
+        const major = this.getVersionNumberOrThrow(parts[0]);
-        let minor = this.getVersionNumberOrThrow(parts[1]);
+        const minor = ['x', '*'].includes(parts[1])
+            ? parts[1]
+            : this.getVersionNumberOrThrow(parts[1]);
         this.fullversion = major + '.' + minor;
     }
     getVersionNumberOrThrow(input) {
@@ -16894,7 +16914,7 @@ class DotNetVersionInfo {
         }
     }
     throwInvalidVersionFormat() {
-        throw 'Invalid version format! Supported: 1.2.3, 1.2, 1.2.x, 1.2.*';
+        throw new Error('Invalid version format! Supported: 1.2.3, 1.2, 1.2.x, 1.2.*');
     }
     /**
      * If true exacatly one version should be resolved
@@ -16908,8 +16928,9 @@ class DotNetVersionInfo {
 }
 exports.DotNetVersionInfo = DotNetVersionInfo;
 class DotnetCoreInstaller {
-    constructor(version) {
+    constructor(version, includePrerelease = false) {
         this.version = version;
+        this.includePrerelease = includePrerelease;
     }
     installDotnet() {
         return __awaiter(this, void 0, void 0, function* () {
@@ -16997,7 +17018,7 @@ class DotnetCoreInstaller {
             }
             console.log(process.env['PATH']);
             if (resultCode != 0) {
-                throw `Failed to install dotnet ${resultCode}. ${output}`;
+                throw new Error(`Failed to install dotnet ${resultCode}. ${output}`);
             }
         });
     }
@@ -17016,16 +17037,24 @@ class DotnetCoreInstaller {
             const releasesResult = releasesResponse.result || {};
             let releasesInfo = releasesResult['releases'];
             releasesInfo = releasesInfo.filter((releaseInfo) => {
-                return (semver.satisfies(releaseInfo['sdk']['version'], versionInfo.version()) ||
+                return (semver.satisfies(releaseInfo['sdk']['version'], versionInfo.version(), {
-                    semver.satisfies(releaseInfo['sdk']['version-display'], versionInfo.version()));
+                    includePrerelease: this.includePrerelease
+                }) ||
+                    semver.satisfies(releaseInfo['sdk']['version-display'], versionInfo.version(), {
+                        includePrerelease: this.includePrerelease
+                    }));
             });
             // Exclude versions that are newer than the latest if using not exact
             let latestSdk = releasesResult['latest-sdk'];
-            releasesInfo = releasesInfo.filter((releaseInfo) => semver.lte(releaseInfo['sdk']['version'], latestSdk));
+            releasesInfo = releasesInfo.filter((releaseInfo) => semver.lte(releaseInfo['sdk']['version'], latestSdk, {
+                includePrerelease: this.includePrerelease
+            }));
             // Sort for latest version
-            releasesInfo = releasesInfo.sort((a, b) => semver.rcompare(a['sdk']['version'], b['sdk']['version']));
+            releasesInfo = releasesInfo.sort((a, b) => semver.rcompare(a['sdk']['version'], b['sdk']['version'], {
+                includePrerelease: this.includePrerelease
+            }));
             if (releasesInfo.length == 0) {
-                throw `Could not find dotnet core version. Please ensure that specified version ${versionInfo.inputVersion} is valid.`;
+                throw new Error(`Could not find dotnet core version. Please ensure that specified version ${versionInfo.inputVersion} is valid.`);
             }
             let release = releasesInfo[0];
             return release['sdk']['version'];
@@ -17046,7 +17075,7 @@ class DotnetCoreInstaller {
                 return versionParts[0] == sdkParts[0];
             });
             if (releasesInfo.length === 0) {
-                throw `Could not find info for version ${versionParts.join('.')} at ${DotNetCoreIndexUrl}`;
+                throw new Error(`Could not find info for version ${versionParts.join('.')} at ${DotNetCoreIndexUrl}`);
             }
             return releasesInfo[0]['releases.json'];
         });

package-lock.json

@@ -5347,9 +5347,9 @@
       "dev": true
     },
     "y18n": {
-      "version": "4.0.0",
+      "version": "4.0.1",
-      "resolved": "https://registry.npmjs.org/y18n/-/y18n-4.0.0.tgz",
+      "resolved": "https://registry.npmjs.org/y18n/-/y18n-4.0.1.tgz",
-      "integrity": "sha512-r9S/ZyXu/Xu9q1tYlpsLIsa3EeLXXk0VwlxqTcFRfg9EhMW+17kbt9G0NrgCmhGb5vT2hyhJZLfDGx+7+5Uj/w==",
+      "integrity": "sha512-wNcy4NvjMYL8gogWWYAO7ZFWFfHcbdbE57tZO8e4cbpj8tfUcwrwqSl3ad8HxpYWCdXcJUCeKKZS62Av1affwQ==",
       "dev": true
     },
     "yallist": {

src/authutil.ts

@@ -13,7 +13,9 @@ export function configAuthentication(
 ) {
   const existingNuGetConfig: string = path.resolve(
     processRoot,
-    existingFileLocation == '' ? 'nuget.config' : existingFileLocation
+    existingFileLocation === ''
+      ? getExistingNugetConfig(processRoot)
+      : existingFileLocation
   );
 
   const tempNuGetConfig: string = path.resolve(
@@ -25,6 +27,21 @@ export function configAuthentication(
   writeFeedToFile(feedUrl, existingNuGetConfig, tempNuGetConfig);
 }
 
+function isValidKey(key: string): boolean {
+  return /^[\w\-\.]+$/i.test(key);
+}
+
+function getExistingNugetConfig(processRoot: string) {
+  const defaultConfigName = 'nuget.config';
+  const configFileNames = fs
+    .readdirSync(processRoot)
+    .filter(filename => filename.toLowerCase() === defaultConfigName);
+  if (configFileNames.length) {
+    return configFileNames[0];
+  }
+  return defaultConfigName;
+}
+
 function writeFeedToFile(
   feedUrl: string,
   existingFileLocation: string,
@@ -109,9 +126,9 @@ function writeFeedToFile(
   xml = xml.ele('packageSourceCredentials');
 
   sourceKeys.forEach(key => {
-    if (key.indexOf(' ') > -1) {
+    if (!isValidKey(key)) {
       throw new Error(
-        "This action currently can't handle source names with spaces. Remove the space from your repo's NuGet.config and try again."
+        "Source name can contain letters, numbers, and '-', '_', '.' symbols only. Please, fix source name in NuGet.config and try again."
       );
     }
 

src/installer.ts

@@ -29,8 +29,7 @@ export class DotNetVersionInfo {
       return;
     }
 
-    //Note: No support for previews when using generic
+    const parts: string[] = version.split('.');
-    let parts: string[] = version.split('.');
 
     if (parts.length < 2 || parts.length > 3) this.throwInvalidVersionFormat();
 
@@ -38,8 +37,10 @@ export class DotNetVersionInfo {
       this.throwInvalidVersionFormat();
     }
 
-    let major = this.getVersionNumberOrThrow(parts[0]);
+    const major = this.getVersionNumberOrThrow(parts[0]);
-    let minor = this.getVersionNumberOrThrow(parts[1]);
+    const minor = ['x', '*'].includes(parts[1])
+      ? parts[1]
+      : this.getVersionNumberOrThrow(parts[1]);
 
     this.fullversion = major + '.' + minor;
   }
@@ -60,7 +61,9 @@ export class DotNetVersionInfo {
   }
 
   private throwInvalidVersionFormat() {
-    throw 'Invalid version format! Supported: 1.2.3, 1.2, 1.2.x, 1.2.*';
+    throw new Error(
+      'Invalid version format! Supported: 1.2.3, 1.2, 1.2.x, 1.2.*'
+    );
   }
 
   /**
@@ -76,8 +79,9 @@ export class DotNetVersionInfo {
 }
 
 export class DotnetCoreInstaller {
-  constructor(version: string) {
+  constructor(version: string, includePrerelease: boolean = false) {
     this.version = version;
+    this.includePrerelease = includePrerelease;
   }
 
   public async installDotnet() {
@@ -187,7 +191,7 @@ export class DotnetCoreInstaller {
     console.log(process.env['PATH']);
 
     if (resultCode != 0) {
-      throw `Failed to install dotnet ${resultCode}. ${output}`;
+      throw new Error(`Failed to install dotnet ${resultCode}. ${output}`);
     }
   }
 
@@ -212,13 +216,15 @@ export class DotnetCoreInstaller {
     let releasesInfo: any[] = releasesResult['releases'];
     releasesInfo = releasesInfo.filter((releaseInfo: any) => {
       return (
-        semver.satisfies(
+        semver.satisfies(releaseInfo['sdk']['version'], versionInfo.version(), {
-          releaseInfo['sdk']['version'],
+          includePrerelease: this.includePrerelease
-          versionInfo.version()
+        }) ||
-        ) ||
         semver.satisfies(
           releaseInfo['sdk']['version-display'],
-          versionInfo.version()
+          versionInfo.version(),
+          {
+            includePrerelease: this.includePrerelease
+          }
         )
       );
     });
@@ -227,16 +233,22 @@ export class DotnetCoreInstaller {
     let latestSdk: string = releasesResult['latest-sdk'];
 
     releasesInfo = releasesInfo.filter((releaseInfo: any) =>
-      semver.lte(releaseInfo['sdk']['version'], latestSdk)
+      semver.lte(releaseInfo['sdk']['version'], latestSdk, {
+        includePrerelease: this.includePrerelease
+      })
     );
 
     // Sort for latest version
     releasesInfo = releasesInfo.sort((a, b) =>
-      semver.rcompare(a['sdk']['version'], b['sdk']['version'])
+      semver.rcompare(a['sdk']['version'], b['sdk']['version'], {
+        includePrerelease: this.includePrerelease
+      })
     );
 
     if (releasesInfo.length == 0) {
-      throw `Could not find dotnet core version. Please ensure that specified version ${versionInfo.inputVersion} is valid.`;
+      throw new Error(
+        `Could not find dotnet core version. Please ensure that specified version ${versionInfo.inputVersion} is valid.`
+      );
     }
 
     let release = releasesInfo[0];
@@ -264,15 +276,18 @@ export class DotnetCoreInstaller {
     });
 
     if (releasesInfo.length === 0) {
-      throw `Could not find info for version ${versionParts.join(
+      throw new Error(
-        '.'
+        `Could not find info for version ${versionParts.join(
-      )} at ${DotNetCoreIndexUrl}`;
+          '.'
+        )} at ${DotNetCoreIndexUrl}`
+      );
     }
 
     return releasesInfo[0]['releases.json'];
   }
 
   private version: string;
+  private includePrerelease: boolean;
 }
 
 const DotNetCoreIndexUrl: string =

src/setup-dotnet.ts

@@ -20,7 +20,8 @@ export async function run() {
       const globalJsonPath = path.join(process.cwd(), 'global.json');
       if (fs.existsSync(globalJsonPath)) {
         const globalJson = JSON.parse(
-          fs.readFileSync(globalJsonPath, {encoding: 'utf8'})
+          // .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;
@@ -29,7 +30,14 @@ export async function run() {
     }
 
     if (version) {
-      const dotnetInstaller = new installer.DotnetCoreInstaller(version);
+      const includePrerelease: boolean =
+        (core.getInput('include-prerelease') || 'false').toLowerCase() ===
+        'true';
+
+      const dotnetInstaller = new installer.DotnetCoreInstaller(
+        version,
+        includePrerelease
+      );
       await dotnetInstaller.installDotnet();
     }