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A GitHub action that gets current tag name and puts it into an environment variable. Maintained fork

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little-core-labs/get-git-tag

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get-git-tag

This action gets tag name from commit that triggered the action and puts it into an environment variable GIT_TAG_NAME. It will also export is as an output named "tag".

You can also use optional parameters tagRegex and tagRegexGroup to extract a part from tag string.

GitHub Actions status

Forked from olegtarasov/get-tag for maintenance.

Usage

Pre-requisites

Create a workflow .yml file in your repositories .github/workflows directory. An example workflow is available below. For more information, reference the GitHub Help Documentation for Creating a workflow file.

Inputs

tagRegex:
    description: 'Regex to capture a group text as tag name. Full tag string is returned if regex is not defined.'
    default: ''
  tagRegexGroup:
    description: 'Regex group number to return as tag name.'
    default: '1'

Outputs

tag:
  description: The tag name.

Example workflow

    steps:
      - uses: little-core-labs/[email protected]
        id: tagName
        with:
          tagRegex: "foobar-(.*)"  # Optional. Returns specified group text as tag name. Full tag string is returned if regex is not defined.
          tagRegexGroup: 1 # Optional. Default is 1.
      - name: Some other step # Output usage example
        with:
          tagname: ${{ steps.tagName.outputs.tag }}
      - name: Yet another step # Environment variabl usage example
        run: |
          docker build . --file Dockerfile --tag docker.pkg.github.com/someimage:$GIT_TAG_NAME

FAQ

Can you offer a major version tag/branch alias? I want automatic updates!

Nope! This was always weird/bad pattern of github actions and I don't have time to maintain or automate that. Luckily github offers a solution for this. Create a .github/dependabot.yml with, at a minimum, the following config:

# Basic dependabot.yml file with
# minimum configuration for two package managers

version: 2
updates:
  # Enable version updates for npm
  # Enable updates to github actions
  - package-ecosystem: "github-actions"
    directory: "/"
    schedule:
      interval: "daily"

Furthermore, this action won't be changing much.

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A GitHub action that gets current tag name and puts it into an environment variable. Maintained fork

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