name: Determine pseudo version
description: "Determine go-like pseudo version to use as container image tag."

outputs:
  pseudoVersion:
    description: "Pseudo version based on the current HEAD"
    value: ${{ steps.pseudo-version.outputs.pseudoVersion }}
  semanticVersion:
    description: "Semantic version based on the current HEAD"
    value: ${{ steps.pseudo-version.outputs.semanticVersion }}
  releaseVersion:
    description: "Release version based on branch name"
    value: ${{ steps.pseudo-version.outputs.releaseVersion }}
  timestamp:
    description: "Commit timestamp based on the current HEAD"
    value: ${{ steps.pseudo-version.outputs.timestamp }}
  branchName:
    description: "Branch name"
    value: ${{ steps.pseudo-version.outputs.branchName }}

# Linux runner only (homedir trick does not work on macOS, required for private runner)
runs:
  using: "composite"
  steps:
    - name: get pseudo version
      id: pseudo-version
      run: |
        if $(git rev-parse --is-shallow-repository); then
          git fetch --prune --unshallow --tags -v
        else
          git fetch --tags -v
        fi
        homedir="$(getent passwd $(id -u) | cut -d ":" -f 6)"
        export GOCACHE=${homedir}/.cache/go-build
        export GOPATH=${homedir}/go
        export GOMODCACHE=${homedir}/.cache/go-mod
        pseudoVersion=$(go run .)
        semanticVersion=$(go run . -semantic-version)
        timestamp=$(go run . -print-timestamp)
        branchName=$(go run . -print-branch)
        releaseVersion=$(go run . -print-release-branch)
        echo "pseudoVersion=${pseudoVersion}" >> $GITHUB_OUTPUT
        echo "semanticVersion=${semanticVersion}" >> $GITHUB_OUTPUT
        echo "timestamp=${timestamp}" >> $GITHUB_OUTPUT
        echo "branchName=${branchName}" >> $GITHUB_OUTPUT
        echo "releaseVersion=${releaseVersion}" >> $GITHUB_OUTPUT
      working-directory: hack/pseudo-version
      shell: bash