# Set the revisions, and remove the VCS files.
# This ensures everything else picks up on the predefined versions, and not
# that because of some build process the version all of a sudden changes.

steps:
- script: |
    set -ex

    if [ -n "${SYSTEM_PULLREQUEST_PULLREQUESTNUMBER}" ]; then
      # We are triggered from a GitHub Pull Request
      git checkout -B pr${SYSTEM_PULLREQUEST_PULLREQUESTNUMBER}
    elif [ "${BUILD_SOURCEBRANCHNAME}" = "merge" ] || [ "${BUILD_SOURCEBRANCHNAME}" = "head" ]; then
      # We are manually triggered based on a GitHub Pull Request
      PULLREQUESTNUMBER=$(echo ${BUILD_SOURCEBRANCH} | cut -d/ -f3)
      git checkout -B pr${PULLREQUESTNUMBER}
    else
      git checkout -B ${BUILD_SOURCEBRANCHNAME}
    fi

    # Generate .ottdrev, which contains the version information
    cmake -DGENERATE_OTTDREV=1 -P cmake/scripts/FindVersion.cmake

    ./azure-pipelines/changelog.sh > .changelog
    TZ='UTC' date +"%Y-%m-%d %H:%M UTC" > .release_date
    cat .ottdrev | cut -f 1 -d$'\t' > .version
    echo "Release Date: $(cat .release_date)"
    echo "Revision: $(cat .ottdrev)"
    echo "Version: $(cat .version)"
  displayName: 'Create version files'
- script: |
    set -e
    VERSION=$(cat .version)
    echo "${VERSION}"
    echo "##vso[build.updatebuildnumber]${VERSION}"
  displayName: 'Change BuildNumber to version'
- script: find . -iname .hg -or -iname .git -or -iname .svn | xargs rm -rf
  displayName: 'Remove VCS information'