Add a shared code sync action (#4008)

.github/workflows/azure-sync-checkdiff.ps1

@@ -0,0 +1,3 @@
+# Check the code is in sync
+$changed = (select-string "nothing to commit" artifacts\status.txt).count -eq 0
+return $changed

.github/workflows/azure-sync.yml

@@ -0,0 +1,70 @@
+name: Azure->Dotnet Extensions Code Sync
+on:
+  # Manual run
+  workflow_dispatch:
+
+permissions:
+  contents: write
+  issues: write
+  pull-requests: write
+
+jobs:
+  compare_repos:
+    # Comment out this line to test the scripts in a fork
+    if: github.repository == 'dotnet/extensions'
+    name: Sync shared code between Azure and DotNet
+    runs-on: windows-latest
+    steps:
+    - name: Checkout dotnet/extensions
+      uses: actions/checkout@v3
+      with:
+        # Test this script using changes in a fork
+        repository: 'dotnet/extensions'
+        path: dotnet-extensions
+        ref: main
+    - name: Checkout azure/dotnet-extensions-experimental
+      uses: actions/checkout@v3
+      with:
+        # Test this script using changes in a fork
+        repository: 'azure/dotnet-extensions-experimental'
+        path: azure-extensions
+        ref: main
+        token: ${{ secrets.GITHUB_TOKEN }}
+    - name: Copy
+      shell: cmd
+      working-directory: .\azure-extensions\src\Shared\DotNetSync\
+      env:
+        DOTNETEXTENSIONS_REPO: d:\a\extensions\extensions\dotnet-extensions\
+      run: CopyToDotNet.cmd
+    - name: Diff
+      shell: cmd
+      working-directory: .\dotnet-extensions\
+      run: |
+        mkdir ..\artifacts
+        git status > ..\artifacts\status.txt
+        git diff > ..\artifacts\diff.txt
+    - uses: actions/upload-artifact@v3
+      with:
+        name: results
+        path: artifacts
+    - name: Check
+      id: check
+      shell: pwsh
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      run: |
+        $sendpr = .\dotnet-extensions\.github\workflows\azure-sync-checkdiff.ps1
+        echo "sendpr=$sendpr" >> $env:GITHUB_OUTPUT
+    - name: Send PR
+      if: steps.check.outputs.sendpr == 'true'
+      # https://github.com/marketplace/actions/create-pull-request
+      uses: dotnet/actions-create-pull-request@v4
+      with:
+        token: ${{ secrets.GITHUB_TOKEN }}
+        path: .\dotnet-extensions
+        commit-message: 'Sync shared code from azure/dotnet-extensions-experimental'
+        title: 'Sync shared code from azure/dotnet-extensions-experimental'
+        body: 'This PR was automatically generated to sync shared code changes from azure/dotnet-extensions-experimental. Fixes https://github.com/azure/dotnet-extensions-experimental/issues/1.'
+        base: main
+        branch: github-action/sync-azure
+        branch-suffix: timestamp

src/Shared/AzureSync/CopyToAzure.cmd

@@ -0,0 +1,22 @@
+@ECHO OFF
+SETLOCAL
+
+if not [%1] == [] (set remote_repo=%1) else (set remote_repo=%AZUREEXTENSIONS_REPO%)
+
+IF [%remote_repo%] == [] (
+  echo The 'AZUREEXTENSIONS_REPO' environment variable or command line parameter is not set, aborting.
+  exit /b 1
+)
+
+echo AZUREEXTENSIONS_REPO: %remote_repo%
+
+REM https://superuser.com/questions/280425/getting-robocopy-to-return-a-proper-exit-code
+IF %ERRORLEVEL% LSS 8 (robocopy ..\Data.Validation\ %remote_repo%\src\Shared\Data.Validation\ /MIR)
+IF %ERRORLEVEL% LSS 8 (robocopy ..\AzureSync\ %remote_repo%\src\Shared\DotNetSync\ /MIR)
+IF %ERRORLEVEL% LSS 8 (robocopy ..\EmptyCollections\ %remote_repo%\src\Shared\EmptyCollections\ /MIR)
+IF %ERRORLEVEL% LSS 8 (robocopy ..\NumericExtensions\ %remote_repo%\src\Shared\NumericExtensions\ /MIR)
+IF %ERRORLEVEL% LSS 8 (robocopy ..\Throw\ %remote_repo%\src\Shared\Throw\ /MIR)
+
+rem 0x0-4 mean everythings good, files may have been copied. 0x08-10 mean are actual errors.
+echo ErrorLevel = %ERRORLEVEL%
+IF %ERRORLEVEL% LSS 8 (exit /b 0) ELSE (exit 1)

src/Shared/AzureSync/CopyToAzure.sh

@@ -0,0 +1,22 @@
+#!/usr/bin/env bash
+
+if [[ -n "$1" ]]; then
+    remote_repo="$1"
+else
+    remote_repo="$AZUREEXTENSIONS_REPO"
+fi
+
+if [[ -z "$remote_repo" ]]; then
+    echo The 'AZUREEXTENSIONS_REPO' environment variable or command line parameter is not set, aborting.
+    exit 1
+fi
+
+cd "$(dirname "$0")" || exit 1
+
+echo "AZUREEXTENSIONS_REPO: $remote_repo"
+
+rsync -av --delete ../Data.Validation/ "$remote_repo"/src/Shared/Data.Validation/
+rsync -av --delete ../AzureSync/ "$remote_repo"/src/Shared/DotNetSync/
+rsync -av --delete ../EmptyCollections/ "$remote_repo"/src/Shared/EmptyCollections/
+rsync -av --delete ../NumericExtensions/ "$remote_repo"/src/Shared/NumericExtensions/
+rsync -av --delete ../Throw/ "$remote_repo"/src/Shared/Throw/

src/Shared/AzureSync/CopyToDotNet.sh

@@ -0,0 +1,22 @@
+#!/usr/bin/env bash
+
+if [[ -n "$1" ]]; then
+    remote_repo="$1"
+else
+    remote_repo="$DOTNETEXTENSIONS_REPO"
+fi
+
+if [[ -z "$remote_repo" ]]; then
+    echo The 'DOTNETEXTENSIONS_REPO' environment variable or command line parameter is not set, aborting.
+    exit 1
+fi
+
+cd "$(dirname "$0")" || exit 1
+
+echo "DOTNETEXTENSIONS_REPO: $remote_repo"
+
+rsync -av --delete ../Data.Validation/ "$remote_repo"/src/Shared/Data.Validation/
+rsync -av --delete ../DotNetSync/ "$remote_repo"/src/Shared/AzureSync/
+rsync -av --delete ../EmptyCollections/ "$remote_repo"/src/Shared/EmptyCollections/
+rsync -av --delete ../NumericExtensions/ "$remote_repo"/src/Shared/NumericExtensions/
+rsync -av --delete ../Throw/ "$remote_repo"/src/Shared/Throw/

src/Shared/AzureSync/CopyToDotnet.cmd

@@ -0,0 +1,22 @@
+@ECHO OFF
+SETLOCAL
+
+if not [%1] == [] (set remote_repo=%1) else (set remote_repo=%DOTNETEXTENSIONS_REPO%)
+
+IF [%remote_repo%] == [] (
+  echo The 'DOTNETEXTENSIONS_REPO' environment variable or command line parameter is not set, aborting.
+  exit /b 1
+)
+
+echo DOTNETEXTENSIONS_REPO: %remote_repo%
+
+REM https://superuser.com/questions/280425/getting-robocopy-to-return-a-proper-exit-code
+IF %ERRORLEVEL% LSS 8 (robocopy ..\DotNetSync\ %remote_repo%\src\Shared\AzureSync\ /MIR)
+IF %ERRORLEVEL% LSS 8 (robocopy ..\Data.Validation\ %remote_repo%\src\Shared\Data.Validation\ /MIR)
+IF %ERRORLEVEL% LSS 8 (robocopy ..\EmptyCollections\ %remote_repo%\src\Shared\EmptyCollections\ /MIR)
+IF %ERRORLEVEL% LSS 8 (robocopy ..\NumericExtensions\ %remote_repo%\src\Shared\NumericExtensions\ /MIR)
+IF %ERRORLEVEL% LSS 8 (robocopy ..\Throw\ %remote_repo%\src\Shared\Throw\ /MIR)
+
+rem 0x0-4 mean everythings good, files may have been copied. 0x08-10 mean are actual errors.
+echo ErrorLevel = %ERRORLEVEL%
+IF %ERRORLEVEL% LSS 8 (exit /b 0) ELSE (exit 1)

src/Shared/AzureSync/ReadMe.SharedCode.md

@@ -0,0 +1,18 @@
+The code in this directory is shared between dotnet/extensions and azure/dotnet-extensions-experimental. This contains shared sources used in both repos. Any changes to this dir need to be checked into both repositories.
+
+dotnet/extensions code paths:
+- extensions\src\shared\
+
+azure/dotnet-extensions-experimental code paths:
+- dotnet-extensions-experimental\src\shared\
+
+## Copying code
+- To copy code from dotnet/extensions to azure/dotnet-extensions-experimental, set AZUREEXTENSIONS_REPO to the azure repo root and then run CopyToAzure.cmd.
+- To copy code from azure/dotnet-extensions-experimental to dotnet/extensions, set DOTNETEXTENSIONS_REPO to the dotnet repo root and then run CopyToDotnet.cmd.
+
+## GitHub Actions
+
+In azure/dotnet-extensions-experimental, the [dotnet-sync](https://github.com/Azure/dotnet-extensions-experimental/actions/workflows/dotnet-sync.yml) GitHub action automatically creates PRs to pull in changes from dotnet/runtime.
+
+In dotnet/extensions, the [azure-sync](https://github.com/dotnet/extensions/actions/workflows/azure-sync.yml) GitHub action must be run **manually** to create PRs to pull in changes from azure/dotnet-extensions-experimental.
+This is expected to be less common.