# Use this workflow to create a patch branch and use the release workflow to release the patch once ready

name: Patch release

run-name: "Patch release '${{ inputs.git-tag }}'"

on:
  workflow_dispatch:
    inputs:
      git-tag:
        required: true
        type: string
        description: "The github tag of the release you want to patch (i.e. v1.0.0)."

defaults:
  run:
    shell: bash

permissions:
  contents: write

jobs:
  tag-check:
    name: Tag check
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Verify that the provided git_tag is a tag
        run: git tag -l | grep -w ${{ inputs.git-tag }} || (echo "The provided git_tag '${{ inputs.git-tag }}' is not a tag" && exit 1)

  patch-branch:
    name: Create security patch branch
    needs: [tag-check]
    runs-on: ubuntu-latest
    steps:
      - name: Install stable toolchain
        uses: dtolnay/rust-toolchain@stable
        with:
          toolchain: stable

      - name: Checkout sources
        uses: actions/checkout@v4
        with:
          ref: ${{ inputs.git-tag }}

      - name: Install a TOML parser
        run: cargo install --force --locked --version 0.8.1 taplo-cli

      - name: Prepare patch branch
        run: |
          set -x

          # Configure git
          git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
          git config user.name "github-actions[bot]"
          git config --add --bool push.autoSetupRemote true

          # Calculate new version
          currentVersion=$(/home/runner/.cargo/bin/taplo get -f lib/Cargo.toml "package.version")
          major=$(echo $currentVersion | tr "." "\n" | sed -n 1p)
          minor=$(echo $currentVersion | tr "." "\n" | sed -n 2p)
          patch=$(echo $currentVersion | tr "." "\n" | sed -n 3p)
          version=${major}.${minor}.$(($patch + 1))

          # Bump the crate version
          sed -i "s#^version = \".*\"#version = \"${version}\"#" Cargo.toml
          sed -i "s#^version = \".*\"#version = \"${version}\"#" lib/Cargo.toml

          # Update Cargo.lock without updating dependency versions
          cargo check --no-default-features --features storage-mem

          # Commit changes
          git checkout -b patches/${major}.${minor}
          git commit -am "Bump version"

      - name: Push the new branch
        run: git push