# Checks that, if we're working on a release branch and are about to cut a
# release, we have set the version correctly.
name: Check release version

on:
  push:
    branches:
      - 'release/**'

jobs:
  check-version:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - uses: actions/setup-go@v5
        with:
          go-version: '1.22'

      - name: Check version
        run: |
          # We strip the refs/heads/release/v prefix of the branch name.
          BRANCH_VERSION=${GITHUB_REF#refs/heads/release/v}
          # Get the version of the code, which has no "v" prefix.
          CODE_VERSION=`go run ./cmd/cometbft/ version`
          if [ "$BRANCH_VERSION" != "$CODE_VERSION" ]; then
            echo ""
            echo "Branch version ${BRANCH_VERSION} does not match code version ${CODE_VERSION}"
            echo ""
            echo "Please either fix the release branch naming (which must have a 'release/v' prefix)"
            echo "or the version of the software in version/version.go."
            exit 1
          fi