guarantee-version-correctness.yml

name: Guarantee WebJobs Extension version is correct

on:
  workflow_dispatch:
  push:
    branches: [ main, dev, dajusto/validate-release-notes-are-provided ]
    paths:
      - '*'
  pull_request:
    branches: [ main, dev, dajusto/validate-release-notes-are-provided ]
    paths:
      - '.github/workflows/guarantee-release-notes.yml'
      - '.github/workflows/guarantee-version-correctness.yml'
  pull_request:
    branches: [ main, dev, dajusto/validate-release-notes-are-provided ]
    types: [labeled, unlabeled]

jobs:
  build:
    runs-on: ubuntu-latest
    if: ${{ !contains(github.event.pull_request.labels.*.name, 'version-already-correct') }}
    steps:
    - uses: actions/checkout@v2
    - name: Ensure a label is provided
      if: ${{ !contains(github.event.pull_request.labels.*.name, 'major-pr') }} &&
        ${{ !contains(github.event.pull_request.labels.*.name, 'minor-pr') }} &&
        ${{ !contains(github.event.pull_request.labels.*.name, 'patch-pr') }} &&
      shell: pwsh
      run: | 
        $errorMessage = "This PR does not include either the 'major-pr', 'minor-pr', or 'patch-pr' labels, "+
          "which correspond to whether this change warrants a major, minor, or patch version increase over the "+
          "last release, nor does it include a 'version-already-correct' label, indicating the WebJobs extension "+
          "version is correct as-is. Label this PR with one of those four labels to proceed."
        Write-Error $errorMessage
    - name: Obtain version in csproj and version of latest tag
      shell: pwsh
      run: |
        $csprojPath = ".\src\WebJobs.Extensions.DurableTask\WebJobs.Extensions.DurableTask.csproj"
        
        # Parse the .csproj file to reconstruct the version 
        [xml]$csproj = Get-Content -Path $csprojPath
        $majorVersionString = $csproj.Project.PropertyGroup.MajorVersion
        $minorVersionString = $csproj.Project.PropertyGroup.MinorVersion
        $patchVersionString = $csproj.Project.PropertyGroup.PatchVersion
        $version = "$majorVersionString.$minorVersionString.$patchVersionString"
        $projectVersion = [Version]$version
        "PROJ_VERSION=$projectVersion" | Out-File -Append -FilePath $Env:GITHUB_ENV


        # Obtain latest tag
        git fetch --tags
        $latestTag = git describe --tags $(git rev-list --tags --max-count=1)
        Write-Output "Latest tag in the repository is $latestTag"

        $latestTag = $latestTag.TrimStart('v')
        $minVersion = [Version]$latestTag
        "MIN_VERSION=$minVersion" | Out-File -Append -FilePath $Env:GITHUB_ENV


        # Split the version number by '.' character
        $versionParts = $latestTag -split '\.'
        
        # decompose the tag
        $tagMajor = $versionParts[0]
        $tagMinor = $versionParts[1]
        $tagPatch = $versionParts[2]

        # Set version components as environment variables for future use
        "TAG_MAJOR=$($versionParts[0])" | Out-File -Append -FilePath $Env:GITHUB_ENV
        "TAG_MINOR=$($versionParts[1])" | Out-File -Append -FilePath $Env:GITHUB_ENV
        "TAG_PATCH=$($versionParts[2])" | Out-File -Append -FilePath $Env:GITHUB_ENV

        "PROJ_MAJOR=$($tagMajor)" | Out-File -Append -FilePath $Env:GITHUB_ENV
        "PROJ_MINOR=$($tagMinor)" | Out-File -Append -FilePath $Env:GITHUB_ENV
        "PROJ_PATCH=$($tagPatch)" | Out-File -Append -FilePath $Env:GITHUB_ENV
        
        # Compare the project version to the minimum required version
        if ($projectVersion -lt $minVersion) {
          Write-Error "WebJobs extension version ($projectVersion) is less than the minimum required version ($minVersion)."
          exit 1
        } else {
          Write-Host "WebJobs extension version ($projectVersion) meets the minimum required version ($minVersion)."
        }

    - name: Check minorVersion
      if: ${{ !contains(github.event.pull_request.labels.*.name, 'patch-pr') }}
      shell: pwsh
      run: | 
        # Compare the project version to the minimum required version
        if ($env:PROJ_PATCH -lt $env:TAG_PATCH) {
          $errorMessage = "WebJobs extension version ($env:PROJ_VERSION) it not" +
            "a patch-release greater than the latest tag version ($env:MIN_VERSION)." +
            "Please increment the patch version or remove the `patch-pr` label."
          Write-Error $errorMessage
          exit 1
        } else {
          Write-Host "WebJobs extension version ($env:PROJ_VERSION) at least a patch-release greater than the latest tag version ($env:MIN_VERSION)."
        }
    - name: Check minorVersion
      if: ${{ !contains(github.event.pull_request.labels.*.name, 'minor-pr') }}
      shell: pwsh
      run: | 
        # Ensure that csproj is at least one minor version greater than the last release
        if ($env:PROJ_MINOR -lt $env:TAG_MINOR) {
          $errorMessage = "WebJobs extension version ($env:PROJ_VERSION) it not" +
            "a patch-release greater than the latest tag version ($env:MIN_VERSION)." +
            "Please increment the patch version or remove the `patch-pr` label."
          Write-Error $errorMessage
          exit 1
        } else {
          Write-Host "WebJobs extension version ($env:PROJ_VERSION) at least a patch-release greater than the latest tag version ($env:MIN_VERSION)."
        }

    - name: Check majorVersion
      if: ${{ !contains(github.event.pull_request.labels.*.name, 'major-pr') }}
      shell: pwsh
      run: | 
        # Ensure that csproj is at least one major version greater than the last release
        if ($env:PROJ_MAJOR -lt $env:TAG_MAJOR) {
          $errorMessage = "WebJobs extension version ($env:PROJ_VERSION) it not" +
            "a major-release greater than the latest tag version ($env:MIN_VERSION)." +
            "Please increment the patch version or remove the `patch-pr` label."
          Write-Error $errorMessage
          exit 1
        } else {
          Write-Host "WebJobs extension version ($env:PROJ_VERSION) at least a patch-release greater than the latest tag version ($env:MIN_VERSION)."
        }