你可以使用https://github.com/rlespinasse/github-slug-action

# Just add this  => 
- name: Inject slug/short variables
  uses: rlespinasse/github-slug-action@v3.x



# And you get this  => 
- name: Print slug/short variables
  run: |
    echo "Slug variables"
    echo " - ${{ env.GITHUB_REF_SLUG }}"    
    echo " - ${{ env.GITHUB_HEAD_REF_SLUG }}"
    echo " - ${{ env.GITHUB_BASE_REF_SLUG }}"
    echo " - ${{ env.GITHUB_REPOSITORY_SLUG }}"
    # output e.g. : master feat-new-feature v1.0.0 product-1.0.0-rc.2 new-awesome-product
    echo "Slug URL variables"
    echo " - ${{ env.GITHUB_REF_SLUG_URL }}"
    echo " - ${{ env.GITHUB_HEAD_REF_SLUG_URL }}"
    echo " - ${{ env.GITHUB_BASE_REF_SLUG_URL }}"
    echo " - ${{ env.GITHUB_REPOSITORY_SLUG_URL }}"
    # output e.g. : master feat-new-feature v1-0-0 product-1-0-0-rc-2 new-awesome-product
    echo "Short SHA variables"
    echo " - ${{ env.GITHUB_SHA_SHORT }}"
    # output e.g. : ffac537e

为了获得delete事件上的ref名称，我最终使用了sed。

on:
  delete:
...
steps:
  - name: Do something
    shell: bash
    run: |
      refname=$(sed -e s:refs/heads/::g -e s:/:-:g <<< ${{ github.event.ref }})

剪掉指针/头/并将斜杠转换为破折号，例如。引用/heads/feature/somefeature到feature-somefeature

if: github.ref == 'refs/heads/integration' && github.event_name == 'push' 

您可以使用上面的命令替换您想要运行的任何分支或事件。

更新

GitHub现在支持GITHUB_REF_NAME，它代表触发工作流运行的分支或标记名称。

GitHub文档在这个https://docs.github.com/en/actions/learn-github-actions/environment-variables#default-environment-variables上

下面是一个适用于push和pull_request事件的完整工作流

name: whichBranch
on: [pull_request, push]

jobs:
  which_branch:
    runs-on: ubuntu-latest
    steps:
      - name: Extract branch name on push
        if: github.event_name != 'pull_request'
        shell: bash
        run: echo "::set-env name=BRANCH_NAME::$(echo ${GITHUB_REF#refs/heads/})"
        id: extract_branch

      - name: Extract branch name on pull request
        if: github.event_name == 'pull_request'
        run: echo "::set-env name=BRANCH_NAME::$(echo ${GITHUB_HEAD_REF})"

      - name: Print branch name
        run: echo 'The branch name is' $BRANCH_NAME

同时处理pull_request和push事件的解决方案。由于set-env已弃用，因此实现了保存获得的分支名称以供后续步骤使用的变通方法。 不需要第三方操作。

name: CI
on: [ pull_request, push ]
jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - name: "Get branch name and save to env"
        env:
          IS_PR: ${{ github.EVENT_NAME == 'pull_request' }}
        run: |
          if ${IS_PR}; then
            BRANCH_NAME="${GITHUB_HEAD_REF}"
          else
            BRANCH_NAME="${GITHUB_REF##*/}"
          fi
          echo "BRANCH_NAME=${BRANCH_NAME}" >> $GITHUB_ENV

      - name: "Another step uses branch name"
        run: echo "Branch name is ${{ env.BRANCH_NAME }}"

GitHub动作中的运行时变量