parameters:
- name: IsReleaseBuild
  displayName: |
    If true, the version is a release version. Otherwise, the version has a development suffix.
  type: boolean
  default: false

- name: PackageVersionVariableName
  displayName: |
    The name of the variable that will contain the version value.
  type: string

steps:
- bash: |
    set -e -x

    VERSION_FILE="$(Build.SourcesDirectory)/version.txt"
    BASE_VERSION="$(cat "${VERSION_FILE}")"

    IS_RELEASE_BUILD="$(printf "%s" "${{ parameters.IsReleaseBuild }}" | tr "[:upper:]" "[:lower:]")"
    if [[ "${IS_RELEASE_BUILD}" == "true" ]]; then
      VERSION="${BASE_VERSION}"
    else
      SHORT_COMMIT_HASH="$(git rev-parse --short HEAD)"
      VERSION="${BASE_VERSION}-dev+$(Build.BuildId).${SHORT_COMMIT_HASH}"
    fi

    # Do not output ##vso[] commands with `set -x` or they may be parsed again and include a trailing quote.
    set +x
    echo "##vso[task.setvariable variable=${{ parameters.PackageVersionVariableName }}]${VERSION}"
  displayName: "Set \"${{ parameters.PackageVersionVariableName }}\" variable to package version"