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git-version-action status

git-version-action

Automatic Versioning

Use this action to generate automatic versions based on the git history. The action combines tag, branch, and distance from tag information to build a version that conforms to semver (assuming the last tag is in the form v?\d.\d\.d).

When the commit is the same as as the latest tag, then the version is the tag.

1.0.1

For commits past the tag, the version is a combination of the tag, branch name, and number of commits since the last tag.

1.0.1-main.1

Any branch can have a version with a unique version.

1.0.1-hostfix-fix-the-bug.3

The action looks for a tag on the current branch that has the pattern v?\d.\d\.d. If it doesn't find one it will fallback to using the timestamp and short commit hash.

0.0.0-main.t1592915661-g23b5639

This makes it easier to run automated builds with versions that are semver compatible and contain a sequential build number.

Output of this action

git_author=Robert Cannon
[email protected]
git_branch=main
git_branch_clean=main
git_commit=23b5639c2958851c59597102bfbddecc671fe485
git_commit_short=23b5639
git_commit_timestamp=2020-02-21 09:11:46 -0500
git_commit_epoch=1582294306
git_commit_message=Removed the unused 'inputs' from the action.yml
git_tag=0.1.0
git_tag_long=0.1.0-1-g23b5639

git_version=0.1.0-main.1

Usage

You can consume the action by referencing the v1 branch

steps:
  - uses: WPMedia/git-version-action@v1

See the actions tab for runs of this action! 🚀

Example

# test action works running with actions/checkout@v1
test-v1:
  runs-on: ubuntu-latest
  steps:
  - uses: actions/checkout@v1
  - id: git_metadata
    uses: WPMedia/git-version-action@v1
  # example usage
  - env:
      version: ${{steps.git_metadata.outputs.git_version}}
    run: |-
      echo "This is my version: ${version}"

Example with actions/checkout@v2

Note that actions/checkout@v2 does not fetch the entire branch and tag history. Use the following to make it work with v2

steps:
  # ...
  - uses: actions/checkout@v2
    with:
      # Required to get the full history for git_metadata
      fetch-depth: 0
  - run: git fetch --depth=1 origin +refs/tags/*:refs/tags/*

Additional Notes

Branches

The action uses git branch -a --contains HEAD to get a list of branches. In the case of multiple branches (which can happen after some merges), the action will pick from the following priority list if present.

main
master
develop
dev
sandbox
staging

Otherwise, the action will pick the first entry in the list returned by git.