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Semantic Versioning Release Action

This action locates the current version of the repository using its tags, increments it based on the inputs, then creates a tag for that new version at the current commit. Use it to automate the release deployment of a project.

Inputs

bump

Required The type of semantic version increment to make. One of major, premajor, minor, preminor, patch, prepatch, or prerelease.

You may get this value from another action, such as zwaldowski/match-label-action.

github_token

Required. Used to make API requests for looking through and creating tags. Pass in using secrets.GITHUB_TOKEN.

dry_run

Optional. If true, only calculate the new version and exit successfully. Use this if you want to make additional changes using the version number before tagging. The calculated version number will automatically be used when this action gets re-run.

sha

Optional. Override the commit hash used to create the version tag. Use this if you previously ran the action with dry_run and modified the tree.

per_branch

Optional. If true, only tags merged to the same branch will be considered. Useful for maintenance branches.

Note

This requires fetching the history when checking out.

prefix

Optional. Version prefix used to create tag. Usually empty or v or =.

preid

Optional. 'Identifier to be used to prefix premajor, preminor, prepatch or prerelease version increments.

Outputs

version

The full version number produced by incrementing the semantic version number of the latest tag according to the bump input. For instance, given 12.4.1 and bump: minor, 12.5.0.

version_optimistic

The major and minor components of version. For instance, given 12.4.1 and bump: minor, 12.5. Use for recommending a non-specific release to users, as in a ~> declaration in a Gemfile.

version_tag

The version string used to create the tag (the theoretical tag if dry_run is true).

Example usage

Simple

Create a version, f.ex., when merging to master.

- id: bump
  uses: zwaldowski/match-label-action@v4
  with:
    allowed: major,minor,patch
- uses: zwaldowski/semver-release-action@v3
  with:
    bump: ${{ steps.bump.outputs.match }}
    github_token: ${{ secrets.GITHUB_TOKEN }}

Advanced

Create a version and use the version to modify the repo, such as update a README. Run semver-release-action once to determine the version number and once to actually perform the release.

- id: next_version
  uses: zwaldowski/semver-release-action@v3
    with:
      dry_run: true
      bump: ${{ … }}
      github_token: ${{ secrets.GITHUB_TOKEN }}
// Do something to modify the repo using `${{ steps.next_version.outputs.version }}`.
- run: echo "${{ steps.next_version.outputs.version }}"
- run: |
    git add .
    git commit -m "Bump version"
    git push
    echo "sha=$(git rev-parse HEAD)" >> $GITHUB_OUTPUT
- uses: zwaldowski/semver-release-action@v3
  with:
    github_token: ${{ secrets.GITHUB_TOKEN }}
    sha: ${{ steps.git_commit.outputs.sha }}

About

Create the next semantic version and tag it.

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