如何在 Github Actions 中获取当前分支? [英] How to get the current branch within Github Actions?

问题描述

我正在使用 Github Actions 构建 Docker 镜像，并想用分支名称标记镜像.

I'm building Docker images with Github Actions and want to tag images with the branch name.

我找到了 GITHUB_REF 变量，但结果是 refs/heads/feature-branch-1 而我只需要 feature-branch-1代码>.

I found the GITHUB_REF variable, but it results in refs/heads/feature-branch-1 and I need only feature-branch-1.

推荐答案

我添加了一个单独的步骤，用于从 $GITHUB_REF 中提取分支名称并将其设置为步骤输出

I added a separate step for extracting branch name from $GITHUB_REF and set it to the step output

- name: Extract branch name
  shell: bash
  run: echo "##[set-output name=branch;]$(echo ${GITHUB_REF#refs/heads/})"
  id: extract_branch

在那之后，我可以在接下来的步骤中使用它

after that, I can use it in the next steps with

- name: Push to ECR
  id: ecr
  uses: jwalton/gh-ecr-push@master
  with:
    access-key-id: ${{ secrets.AWS_ACCESS_KEY_ID }}
    secret-access-key: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
    region: us-west-2
    image: eng:${{ steps.extract_branch.outputs.branch }}

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