.appveyor.yml

image: Visual Studio 2019
platform:
   - amd64

environment:
   APPVEYOR_API_TOKEN:
      secure: QaFZHMmYjMehNXvfY7mqBcQlmHg1Vz/s1/PcFnw8rqs=
   GITHUB_API_TOKEN:
      secure: K+Ve9A1PjCY37IApiUQW3x6HyTcwvnwwo4OUGk90pPwMgtyjTt9/3uy0Nj3DFhc1
   DEPLOY_BRANCH: 'master'

branches:
   only:
      - master

skip_tags: true

build_script:
   - ps: |
      $ErrorActionPreference = "Stop"

      mkdir intermediary -Force | Out-Null
      mkdir output -Force | Out-Null

      $env:RECORDS_NUMBER = 1000 # build history depth to search
      $headers = @{
         "Authorization" = "Bearer $env:APPVEYOR_API_TOKEN"
         "Content-type" = "application/json"
      }

      $env:HASH = git rev-parse --short HEAD

      $history = Invoke-RestMethod -Uri "https://ci.appveyor.com/api/projects/$env:APPVEYOR_ACCOUNT_NAME/$env:APPVEYOR_PROJECT_SLUG/history?recordsNumber=$env:RECORDS_NUMBER" -Headers $headers -Method Get
      $latestRelease = $history.builds | Where-Object {$_.status -eq "success" -and $_.version -match "-" -and -not ("pullRequestId" -in $_.PSobject.Properties.Name)} | Sort-Object -Property created -Descending | Select-Object -First 1
      if (!$latestRelease) {
         Write-Warning "cannot find successfull build in last $env:RECORDS_NUMBER builds. Consider increasing RECORDS_NUMBER"
         # Write-Error "Stop"
         $env:RELEASE_NUMBER = 0
         $env:RELEASE_DESC = "Initial automated incremental release " + ${env:HASH}
         $env:COMMIT_LOG = ""
      } else {
         $env:PREV_HASH = $latestRelease.version.Split("-")[2]
         $env:RELEASE_NUMBER = 1 + ($latestRelease.version.Split("-")[1])

         Write-Host ("Generating incremental containing ${env:PREV_HASH} -> ${env:HASH}")

         $list = git diff --name-only ($latestRelease.commitId) HEAD --no-renames --diff-filter=d
         foreach ($item in $list) {
            Write-Host ("{0}" -f $item)
            $dest = "intermediary\" + $item
            mkdir (Split-Path -parent $dest) -Force | Out-Null
            Copy-Item $item -Destination $dest
         }

         git diff --name-only ($latestRelease.commitId) HEAD --no-renames --diff-filter=D | Out-file -FilePath intermediary\.deleted

         Compress-Archive -Path intermediary\* -DestinationPath "output\incremental.zip"

         $env:RELEASE_DESC = ${env:PREV_HASH} + " -> " + ${env:HASH}

         $env:COMMIT_LOG = (git log ($latestRelease.commitId + "..HEAD") --pretty="%h %s") -join "\n";
      }

      $env:RELEASE_TAG = "incr-" +  ${env:RELEASE_NUMBER}

      Update-AppveyorBuild -Version "1.${env:APPVEYOR_BUILD_NUMBER}-${env:RELEASE_NUMBER}-${env:HASH}"

artifacts:
   - path: 'output\incremental.zip'

deploy:
   release: '$(RELEASE_TAG): $(RELEASE_DESC)'
   tag: '$(RELEASE_TAG)'
   description: '$(RELEASE_DESC)\nThis is an automated incremental update zip, Not meant for end users.\n\n$(COMMIT_LOG)'
   provider: GitHub
   auth_token: $(GITHUB_API_TOKEN)
   artifact: 'output\incremental.zip'
   draft: false
   prerelease: false
   on:
      branch: $(DEPLOY_BRANCH)