draft-release.yml

#
# Make a draft release when tagging
#
# The release assets are automatically downloaded from the GMT FTP server and uploaded
# to GitHub.
#

on:
  push:
    # Sequence of patterns matched against refs/tags/x.x.x and refs/tags/x.x.xrcx
    tags:
      # Push events to matching versions, e.g., 6.1.0, 6.1.0rc1
      - '[0-9]+.[0-9]+.[0-9]+'
      - '[0-9]+.[0-9]+.[0-9]+rc[0-9]+'

name: Create a Draft Release

jobs:
  draft-release:
    name: Create a Draft Release
    runs-on: macos-latest # Have to use macos because linux sometimes timeouts
    steps:

      - name: Set GMT version from tag name
        # ${GITHUB_REF} is "refs/tags/6.0.0" for tags
        # after this step, the GMT version can be used as ${{ env.GMT_VERSION }}
        run: echo "GMT_VERSION=${GITHUB_REF##*/}" >> $GITHUB_ENV
        # Uncomment the following line for debugging only
        # run: echo "GMT_VERSION=${DEBUG_GITHUB_REF##*/}" >> $GITHUB_ENV

      - name: Download GMT tarballs and installers
        run: |
          curl -O ftp://ftp.soest.hawaii.edu/gmt/bin/gmt-${{ env.GMT_VERSION }}-darwin-x86_64.dmg
          curl -O ftp://ftp.soest.hawaii.edu/gmt/bin/gmt-${{ env.GMT_VERSION }}-darwin-arm64.dmg
          curl -O ftp://ftp.soest.hawaii.edu/gmt/gmt-${{ env.GMT_VERSION }}-src.tar.gz
          curl -O ftp://ftp.soest.hawaii.edu/gmt/gmt-${{ env.GMT_VERSION }}-src.tar.xz
          curl -O ftp://ftp.soest.hawaii.edu/gmt/bin/gmt-${{ env.GMT_VERSION }}-win64.exe
          curl -O ftp://ftp.soest.hawaii.edu/gmt/bin/gmt-${{ env.GMT_VERSION }}-win64.zip

      - name: Checksum
        run: |
          shasum -a 256 \
                gmt-${{ env.GMT_VERSION }}-darwin-x86_64.dmg \
                gmt-${{ env.GMT_VERSION }}-darwin-arm64.dmg \
                gmt-${{ env.GMT_VERSION }}-src.tar.gz \
                gmt-${{ env.GMT_VERSION }}-src.tar.xz \
                gmt-${{ env.GMT_VERSION }}-win64.exe \
                gmt-${{ env.GMT_VERSION }}-win64.zip \
                > gmt-${{ env.GMT_VERSION }}-checksums.txt
          # Display the checksums
          cat gmt-${{ env.GMT_VERSION }}-checksums.txt

      - name: Create a Draft Release
        id: create_release
        uses: softprops/action-gh-release@v2
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        with:
          name: ${{ env.GMT_VERSION }}
          body: |
            | **File**                       | **Description**                         |
            |--------------------------------|-----------------------------------------|
            | gmt-${{ env.GMT_VERSION }}-checksums.txt     | sha256sum of source and binary packages |
            | gmt-${{ env.GMT_VERSION }}-darwin-x86_64.dmg | macOS bundle (intel)                    |
            | gmt-${{ env.GMT_VERSION }}-darwin-arm64.dmg  | macOS bundle (arm64)                    |
            | gmt-${{ env.GMT_VERSION }}-src.tar.gz        | Source code                             |
            | gmt-${{ env.GMT_VERSION }}-src.tar.xz        | Source code                             |
            | gmt-${{ env.GMT_VERSION }}-win64.exe         | Windows installer (64bit)               |
            | gmt-${{ env.GMT_VERSION }}-win64.zip         | Windows portable installer (64bit)      |
          draft: true
          prerelease: false
          files: |
            gmt-${{ env.GMT_VERSION }}-checksums.txt
            gmt-${{ env.GMT_VERSION }}-darwin-x86_64.dmg
            gmt-${{ env.GMT_VERSION }}-darwin-arm64.dmg
            gmt-${{ env.GMT_VERSION }}-src.tar.gz
            gmt-${{ env.GMT_VERSION }}-src.tar.xz
            gmt-${{ env.GMT_VERSION }}-win64.exe
            gmt-${{ env.GMT_VERSION }}-win64.zip