action.yaml

name: 'UE5-Semantic-Versioning'
description: 'Fetches tags and calculates version and build number from an INI file.'
author: 'Orchid Isle Games'
branding:
  icon: 'anchor'
  color: 'green' # You can use a specific shade of green like '008000' if you prefer
inputs:
  BUILD_PREFIX:
    description: 'The semantic versioning prefix to apply to the build. (dev, alpha, beta, rc, etc)'
    required: true
  CONFIG_DIR_PATH:
    description: 'Full path to the MyProject/Config directory.'
    required: true
  ADD_BUILD_INFO:
    description: 'Add BuildInfo.ini (Contains build id) to config.'
    default: true
  USE_RELEASE_BUILD:
    description: 'Use release build (true or false). If true, uses the release tag as BUILD_ID.'
    required: true
    default: 'false'
runs:
  using: 'composite'
  steps:
    - run: |
        $isReleaseBuild = "${{ inputs.USE_RELEASE_BUILD }}" -eq 'true'
        $releaseTag = $env:GITHUB_REF_NAME
        
        git fetch --tags
        $tags = git tag --sort=-v:refname
        Write-Host "Tags found: $tags"
        
        $iniPath = "${{ inputs.CONFIG_DIR_PATH }}/DefaultGame.ini"
        $content = Get-Content $iniPath -Raw
        Write-Host "INI file content: $content"
        
        $semVerPattern = 'ProjectVersion=([0-9]+\.[0-9]+\.[0-9]+(\.[0-9]+)?)'
        $buildIdPattern = 'ProjectBuildId=([0-9]+\.[0-9]+\.[0-9]+\.[0-9]+)'

        $defaultBuildId = "0.0.0.0"
        $defaultVersion = "0.0.0.0"

        if ($content -match $buildIdPattern) {
          $defaultBuildId = $matches[1]
          Write-Host "Found ProjectBuildId in INI: $defaultBuildId"
        }
        
        if ($content -match $semVerPattern) {
          $defaultVersion = $matches[1]
          Write-Host "Found ProjectVersion in INI: $defaultVersion"
        }
        
        if ($isReleaseBuild -and $releaseTag) {
          # Use release tag for version and build ID, supporting both version formats
          $buildId = $releaseTag
          $newVersion = $buildId -replace '^v', ''
          $newVersion = $newVersion -replace '-.*$', '' # Strip any prefix or suffix
        } else {
          # Updated to match both version formats in tags
          $semVerTagPattern = '^(v)?[0-9]+\.[0-9]+\.[0-9]+(\.[0-9]+)?$'
          $latestTag = $null
          foreach ($tag in $tags) {
            if ($tag -match $semVerTagPattern) {
              $latestTag = $matches[0]
              break
            }
          }
          
          if ($null -eq $latestTag) {
            $latestTag = $defaultBuildId
            $commitCount = 0
          } else {
            $latestTag = $latestTag -replace '^v', ''
            $commitCount = & git rev-list --count "${latestTag}..HEAD"
          }
          
          $newVersion = $defaultVersion
          Write-Host "Latest tag: $latestTag, Commit count: $commitCount"
          if ($latestTag -ne $defaultBuildId) {
            if ([Version]$latestTag -gt [Version]$defaultVersion) {
              $newVersion = $latestTag
            } elseif ([Version]$latestTag -eq [Version]$defaultVersion) {
              # Auto-increment the appropriate version number based on format
              if ($commitCount -gt 0) {
                $versionParts = $newVersion -split '\.'
                if ($versionParts.Length -eq 4) { # For 0.0.0.0 format, increment the last part
                  $versionParts[3] = [int]$versionParts[3] + 1
                } else { # For 0.0.0 format, increment the patch number
                  $versionParts[2] = [int]$versionParts[2] + 1
                }
                $newVersion = $versionParts -join '.'
              }
            }
          }
          $buildId = "$newVersion-${{ inputs.BUILD_PREFIX }}$commitCount"
        }
        
        echo "VERSION=$newVersion" >> $env:GITHUB_ENV
        echo "BUILD_ID=$buildId" >> $env:GITHUB_ENV
        Write-Host "Version set to: $newVersion"
        Write-Host "Build ID set to: $buildId"
      shell: powershell
    - name: Create BuildInfo Config
      if: ${{ inputs.ADD_BUILD_INFO == 'true' }}
      run: |
        $buildInfoPath = "${{ inputs.CONFIG_DIR_PATH }}/BuildInfo.ini"
        $buildId = "${{ env.BUILD_ID }}"
        "[BuildInfo]`r`nBuildID=$buildId" | Out-File -FilePath $buildInfoPath -Encoding utf8
      shell: powershell