branch-names

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branch-names

Get a branch or tag name without the /ref/* prefix

Features

• Retrieve the current branch name without any prefix. (e.g. 'refs/heads/main' -> 'main')
• Retrieve the current tag with an option to strip the prefix (e.g. v0.0.1 -> v -> 0.0.1)
• Detect actions triggered by non default branches
• Detect actions triggered by the default branch
• Supports all valid git branch names

Usage

on:
  push:
    branches:
      - main
  pull_request:
    branches:
      - main
      
...
    steps:
      - name: Get branch name
        id: branch-name
        uses: tj-actions/branch-names@v6
        
      - name: Running on the default branch.
        if: steps.branch-name.outputs.is_default == 'true'
        run: |
          echo "Running on default: ${{ steps.branch-name.outputs.current_branch }}"
        # Outputs: "Running on default: main".
      
      - name: Running on a pull request branch.
        if: steps.branch-name.outputs.is_default == 'false'
        run: |
          echo "Running on pr: ${{ steps.branch-name.outputs.current_branch }}"
        # Outputs: "Running on pr: feature/test".

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Support this project with a :star:

Outputs

Inputs

Events

• push*

on:
  push:
    branches:
      - main

...
    steps:
      - name: Get branch names
        id: branch-name
        uses: tj-actions/branch-names@v6

      - name: Current branch name
        run: |
          echo "${{ steps.branch-name.outputs.current_branch }}"
        # Outputs: "main" the branch that triggered the push event.

      - name: Running on the default branch.
        if: steps.branch-name.outputs.is_default == 'true'
        run: |
          echo "Running on default: ${{ steps.branch-name.outputs.current_branch }}"
        # Outputs: "Running on default: main".
      
      - name: Running on the default branch (i.e non tag based branch).
        if: steps.branch-name.outputs.is_tag == 'false' && steps.branch-name.outputs.is_default == 'true'
        run: |
          echo "Running on branch: ${{ steps.branch-name.outputs.current_branch }}"
        # Outputs: "Running on branch: main".
      
      - name: Get Ref brach name
        run: |
          echo "${{ steps.branch-name.outputs.ref_branch }}"
        #  Outputs: "main"
      
      - name: Default branch name
        run: |
          echo "${{ steps.branch-name.outputs.default_branch }}"
        # Outputs: "main" the default branch.

• pull_request*

on:
  pull_request:
    branches:
      - main

...
    steps:
      - name: Get branch names
        id: branch-name
        uses: tj-actions/branch-names@v6
      
      - name: Current branch name
        run: |
          echo "${{ steps.branch-name.outputs.current_branch }}"
        # Outputs: "feature/test" current PR branch.

      - name: Running on a non tag based branch and a PR branch.
        if: steps.branch-name.outputs.is_default == 'false'
        run: |
          echo "Running on branch: ${{ steps.branch-name.outputs.current_branch }}"
        # Outputs: "Running on branch: feature/test".
      
      - name: Running on a pull request (i.e non tag based branch).
        if: steps.branch-name.outputs.is_tag == 'false' && steps.branch-name.outputs.is_default == 'false'
        run: |
          echo "Running on branch: ${{ steps.branch-name.outputs.current_branch }}"
        # Outputs: "Running on branch: feature/test".
      
      - name: Get Ref branch name
        run: |
          echo "${{ steps.branch-name.outputs.ref_branch }}"
        #  Outputs: "1/merge"

      - name: Get Head Ref branch name (i.e The current pull request branch)
        run: |
          echo "${{ steps.branch-name.outputs.head_ref_branch }}"
        # Outputs: "feature/test" current PR branch.

      - name: Get Base Ref branch name (i.e The target of a pull request.)
        run: |
          echo "${{ steps.branch-name.outputs.base_ref_branch }}"
        # Outputs: "main".
      
      - name: Default branch name
        run: |
          echo "${{ steps.branch-name.outputs.default_branch }}"
        # Outputs: "main" the default branch.

• tag*

on:
  push:
    tags:
      - '*'

...
    steps:
      - name: Get branch names
        id: branch-name
        uses: tj-actions/branch-names@v6
     
      - name: Running on a tag branch.
        if: steps.branch-name.outputs.is_tag == 'true'
        run: |
          echo "Running on: ${{ steps.branch-name.outputs.tag }}"
        # Outputs: "Running on: v0.0.1".
        
      - name: Get the current tag
        if: steps.branch-name.outputs.is_tag == 'true'  # Replaces: startsWith(github.ref, 'refs/tags/')
        run: |
          echo "${{ steps.branch-name.outputs.tag }}"
        # Outputs: "v0.0.1" OR "0.0.1"

Possible usage with actions/checkout@v2:

on:
  pull_request:
    branches:
      - develop
    
 jobs:
  test:
    runs-on: ubuntu-latest
    steps:
      - name: Get branch names.
        id: branch-names
        uses: tj-actions/branch-names@v6
      - uses: actions/checkout@v2
        with:
          ref: ${{ steps.branch-names.outputs.head_ref_branch }}

• Free software: MIT license

Credits

This package was created with Cookiecutter.

Report Bugs

Report bugs at https://github.com/tj-actions/branch-names/issues.

If you are reporting a bug, please include:

• Your operating system name and version.
• Any details about your workflow that might be helpful in troubleshooting.
• Detailed steps to reproduce the bug.

Contributors ✨

Thanks goes to these wonderful people (emoji key):

Alejandro Loarca 💻

This project follows the all-contributors specification. Contributions of any kind welcome!