Add GitHub Actions Support

.github/workflows/main.yml

@@ -0,0 +1,135 @@
+# This is a basic workflow to help you get started with Actions
+
+name: CI
+
+# Controls when the workflow will run
+on:
+  # Triggers the workflow on push or pull request events but only for the "main" branch
+  push:
+    branches:
+      - main
+    tags:
+      - v*
+  pull_request:
+    branches:
+      - main
+
+  # Allows you to run this workflow manually from the Actions tab
+  workflow_dispatch:
+
+# A workflow run is made up of one or more jobs that can run sequentially or in parallel
+jobs:
+  # Disabled cos we do not have enough disk space.
+  # build_windows:
+  #   name: BuildWindows
+  #   # The type of runner that the job will run on
+  #   runs-on: windows-latest
+
+  #   # Steps represent a sequence of tasks that will be executed as part of the job
+  #   steps:
+  #     # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
+  #     - uses: actions/checkout@v3
+  #       with:
+  #         submodules: recursive
+  #         fetch-depth: 0
+  #     - name: Install .NET
+  #       uses: actions/setup-dotnet@v2
+  #       with:
+  #         dotnet-version: |
+  #           6.0.x
+  #           7.0.x
+  #         include-prerelease: true
+
+  #     - name: Build
+  #       run: .\build.cmd
+  #       env:
+  #         CONFIGURATION: Release
+  #         PREPARE_CI: 1
+  #         PREPARE_AUTOPROVISION: 1
+
+  # Disabled cos it times out and there are diskspace issues.
+  # build_unix:
+  #   name: BuildUnix
+  #   # The type of runner that the job will run on
+  #   runs-on: ubuntu-latest
+
+  #   # Steps represent a sequence of tasks that will be executed as part of the job
+  #   steps:
+  #     # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
+  #     - uses: actions/checkout@v3
+  #       with:
+  #         submodules: recursive
+  #         fetch-depth: 0
+  #     - name: Install .NET
+  #       uses: actions/setup-dotnet@v2
+  #       with:
+  #         dotnet-version: |
+  #           6.0.x
+  #           7.0.x
+  #         include-prerelease: true
+
+  #     - name: Build
+  #       run: ./build.sh
+  #       env:
+  #         CONFIGURATION: Release
+  #         PREPARE_CI: 1
+  #         PREPARE_AUTOPROVISION: 1
+
+  #     - name: Create Installers
+  #       run: make package-deb
+  #       env:
+  #         CONFIGURATION: Release
+  #         PREPARE_CI: 1
+  #         PREPARE_AUTOPROVISION: 1
+
+  build_macos:
+    name: BuildMacOS
+    # The type of runner that the job will run on
+    runs-on: macos-latest
+
+    # Steps represent a sequence of tasks that will be executed as part of the job
+    steps:
+      # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
+      - uses: actions/checkout@v3
+        with:
+          submodules: recursive
+          fetch-depth: 0 # we need this to get the full history so we can calculate the version info.
+      - name: Install .NET
+        uses: actions/setup-dotnet@v2
+        with:
+          dotnet-version: |
+            6.0.x
+            7.0.x
+          include-prerelease: true
+
+      - name: Prepare
+        run: ./build.sh Prepare
+        env:
+          CONFIGURATION: Release
+          PREPARE_CI: 1
+          PREPARE_AUTOPROVISION: 1
+
+      - name: Build
+        run: ./build.sh Build
+        env:
+          CONFIGURATION: Release
+          PREPARE_CI: 1
+          PREPARE_AUTOPROVISION: 1
+
+      - name: Create Installers
+        run: ./build.sh Installers
+        env:
+          CONFIGURATION: Release
+          PREPARE_CI: 1
+          PREPARE_AUTOPROVISION: 1
+
+      - name: Create Release
+        id: create-release 
+        uses: softprops/action-gh-release@v1
+        if: startsWith(github.ref, 'refs/tags/')
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          files: ./bin/BuildRelease/Xamarin.Android.Sdk-OSS*
+
+

build-tools/xa-prep-tasks/Xamarin.Android.BuildTools.PrepTasks/GitCommitInfo.cs

@@ -75,7 +75,7 @@ public override bool Execute ()
 				//     HEAD -> bundle-ndk16-fix, origin/pr/1105
 				//
 				branch = branchFull.Substring (8);
-			} else if (String.Compare ("HEAD", branchFull, StringComparison.Ordinal) == 0) {
+			} else if (String.Compare ("HEAD", branchFull, StringComparison.Ordinal) == 0 || branchFull.StartsWith ("grafted", StringComparison.Ordinal)) {
 				Log.LogMessage (MessageImportance.Low, "  Detached HEAD, no branch information");
 				// Detached HEAD without branch information
 				if (isSubmodule) {

build-tools/xa-prep-tasks/Xamarin.Android.BuildTools.PrepTasks/GitCommitsInRange.cs

@@ -42,6 +42,8 @@ protected override string GenerateCommandLineCommands ()
 			string endCommit    = string.IsNullOrEmpty (EndCommit)
 				? "HEAD"
 				: EndCommit;
+			if (StartCommit.StartsWith ("^"))
+				return $"log {StartCommit.Trim('^')} --oneline";
 			return $"log {StartCommit}..{endCommit} --oneline";
 		}
 

build.cmd

@@ -20,6 +20,8 @@ IF ERRORLEVEL 1 CALL :DEFAULT_CASE
 :Pack_CASE
     dotnet-local.cmd build  Xamarin.Android.sln -t:PackDotNet -nr:false
     GOTO END_CASE
+:Installers_CASE
+    GOTO END_CASE
 :DEFAULT_CASE
     dotnet build Xamarin.Android.sln -t:Prepare -nr:false
     dotnet-local.cmd build Xamarin.Android.sln -nr:false

build.sh

@@ -5,23 +5,21 @@ else
     case $1 in
         Prepare)
             make prepare
-            break
         ;;
         PrepareExternal)
             make prepare-external-git-dependencies
-            break
         ;;
         Build)
             make jenkins
-            break
         ;;
         Pack)
             make pack-dotnet
-            break
+        ;;
+        Installers)
+            make create-installers
         ;;
         Everything)
             make prepare && make jenkins && make pack-dotnet
-            break
         ;;
     esac
 fi