taskwarrior-tui/.github/actions/install-taskwarrior/action.yml

# This action definition may look complicated, but it only builds taskwarrior from the latest source release and installs it.
# The rest of the file is caching of results and checks to avoid ambiguous failure in case taskwarrior changes their release strategy. 
name: Install Taskwarrior
description: Builds latests stable taskwarrior release install it
inputs:
  secret_gh_token:
    description: "GH token used for downloading the release asset"
    required: true
  rust_toolchain:
    description: "Rust toolchain to compile taskwarrior with"
    default: stable  
runs:
  using: "composite"
  steps:
    - name: Update apt
      run: sudo apt-get update
      shell: bash
    - name: Install libuuid
      run: sudo apt-get install uuid-dev uuid-runtime
      shell: bash

    - name: Download latest stable taskwarrior source release
      # This pattern only matches assets with a [numbers and dots] version suffix
      run: gh release download --repo "GothenburgBitFactory/taskwarrior" --pattern "task-[0-9.]*.tar.gz" --dir /tmp/download
      shell: bash
      env:
        GH_TOKEN: ${{ inputs.secret_gh_token }}
    - name: Ensure that we only got one release asset
      run: |
        number_of_assets=$(ls -1 /tmp/download | wc -l)
        if [ $number_of_assets -ne 1 ]
        then
          echo "Expected exactly one release asset, got $number_of_assets instead"
          exit 1
        else
          echo "Got expected number of release assets"
        fi
      shell: bash
    - name: Move taskwarrior source to task.tar.gz
      run: |
        cd /tmp/download
        find . -name "*.tar.gz" -exec mv {} task.tar.gz \;
      shell: bash

    - name: Calculate SHA256 of task.tar.gz source(version cache check)
      id: calculate-task-sha256
      run: echo "task_sha256=$(/usr/bin/sha256sum /tmp/download/task.tar.gz | cut -d ' ' -f 1)" >> $GITHUB_OUTPUT
      shell: bash
    - name: Restore cached taskwarrior build
      id: cache-taskwarrior-restore
      uses: actions/cache/restore@v4
      with:
        path: /tmp/task.deb
        key: ${{ runner.os }}-taskwarrior-${{ steps.calculate-task-sha256.outputs.task_sha256 }}-rust-${{ inputs.rust_toolchain }}

    - name: Install rust toolchain and rust cache
      if: steps.cache-taskwarrior-restore.outputs.cache-hit != 'true'
      uses: actions-rust-lang/setup-rust-toolchain@v1
      with:
        toolchain: ${{ inputs.rust_toolchain }}
        override: false
    - name: Extract taskwarrior source code
      if: steps.cache-taskwarrior-restore.outputs.cache-hit != 'true'
      run: |
        cd /tmp/download
        # Remove the version suffix from extracted directory
        tar -xf task.tar.gz --transform='s;^task-[0-9.]*/;task/;'
        cd /tmp
        mv download/task taskwarrior
        rm -rf download
      shell: bash
    - name: Set selected rust toolchain as default for taskwarrior
      if: steps.cache-taskwarrior-restore.outputs.cache-hit != 'true'
      run: rustup override set ${{ inputs.rust_toolchain }} --path /tmp/taskwarrior
      shell: bash
    - name: Compile and install taskwarrior
      if: steps.cache-taskwarrior-restore.outputs.cache-hit != 'true'
      run: |
        cd /tmp/taskwarrior
        cmake -S . -B build -DCMAKE_BUILD_TYPE=Release .
        cmake --build build -j $(nproc)
        cd build
        # Create a stub debian package. WARNING: This package has no dependencies set
        cpack -D CPACK_PACKAGE_CONTACT="stub" -D CPACK_PACKAGE_FILE_NAME="task" -G DEB
        mv task.deb /tmp
        cd /tmp
        rm -rf /tmp/taskwarrior/
      shell: bash
    - name: Unset rust toolchain again
      if: steps.cache-taskwarrior-restore.outputs.cache-hit != 'true'
      run: rustup override unset --path /tmp/taskwarrior
      shell: bash
    - name: Cache taskwarrior build result
      if: steps.cache-taskwarrior-restore.outputs.cache-hit != 'true'
      id: cache-taskwarrior-save
      uses: actions/cache/save@v4
      with:
        path: /tmp/task.deb
        key: ${{ steps.cache-taskwarrior-restore.outputs.cache-primary-key }}

    - name: Install taskwarrior
      run: sudo dpkg -i /tmp/task.deb
      shell: bash
    - name: Test if installation worked
      run: task --version
      shell: bash