name: Retrieve version
description: Uses the tags and git commit to find a unique version and sets it as NEW_VERSION
author: Skydust

runs:
  using: composite
  steps:
    - name: Get commit version
      run: |
        if [[ "${{ github.ref }}" == refs/tags/* ]]; then
          NEW_VERSION="${GITHUB_REF##refs/tags/}"
          log_info "This is a tag push: $(yellow)${NEW_VERSION}"
        else
          log_info "This is a branch push: $(yellow)${GITHUB_REF##refs/heads/}"
        
          git -c 'versionsort.suffix=-' ls-remote --tags -q --refs --sort '-v:refname'
          last_version="$(git -c 'versionsort.suffix=-' ls-remote --tags -q --refs --sort '-v:refname' | head -n 1 | cut -d "/" -f3 || echo "")"
          if [[ -z "$last_version" ]]; then
            last_version="v0.0.0"
          fi
        
          calculatedSha="$(git rev-parse --short ${{ github.sha }})"
          NEW_VERSION="${last_version}-${calculatedSha}"
        fi
        
        # Removing the v
        NEW_VERSION="${NEW_VERSION:1}"
        
        log_info "New version: $(yellow)${NEW_VERSION}"
        log_info "Exported version in env var $(yellow)NEW_VERSION"
        echo "NEW_VERSION=${NEW_VERSION}" >> $GITEA_ENV