action.yaml

name: "git-branch-behind-main"
description: "Check whether the current branch is behind main"
branding:
  icon: git-branch
  color: orange
runs:
  using: "composite"
  steps:
    - name: Checkout
      uses: actions/checkout@v4
      with:
        fetch-depth: 0
    - name: Check
      shell: bash
      run: |
        git-log-flat-colored() {
          git --no-pager log --format="%C(yellow)%h%Creset %C(cyan)%cd%Creset %s %Cgreen%an%Creset" --date=short "$@"
        }

        CURRENT_FEATURE=$(git symbolic-ref --short -q HEAD)
        CURRENT_PATH=$(git rev-parse --show-toplevel)
        REFERENCE_BRANCH="origin/main"

        echo -e "\033[0;34m >>-----当前核查仓库路径${CURRENT_PATH}-----<< \033[0m"
        git fetch origin main

        NB_COMMITS_BEHIND=$(git rev-list --left-right --count ${REFERENCE_BRANCH}...@ | cut -f1)

        if [ "${NB_COMMITS_BEHIND}" -gt "0" ]; then
          echo -e "\033[0;31m >>-----${CURRENT_FEATURE}-----<< 当前分支有 ${NB_COMMITS_BEHIND} 个提交落后于 \"${REFERENCE_BRANCH}\", 请合并最新的 main 分支代码\n \033[0m"
          git-log-flat-colored ${REFERENCE_BRANCH} | head -"${NB_COMMITS_BEHIND}"
          exit 2
        else
          echo -e "\033[0;32m >>-----${CURRENT_FEATURE}-----<<当前分支包含 ${REFERENCE_BRANCH} 分支上的所有提交记录 \033[0m"
        fi