Short SHA

short-sha is a GitHub Action than provides an output sha with the shortened commit SHA.

Usage

You can access the shortened value with either ${{ steps.short-sha.outputs.sha }} (short-sha being the name of the action step) or ${{ env.SHA }}.

name: 'build-test'
on: [push]

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: step-security/short-sha@v3
        id: short-sha
        with:
          length: 6
      - run: echo $SHA
        env:
          SHA: ${{ steps.short-sha.outputs.sha }}
      - run: echo $SHA
        env:
          SHA: ${{ env.SHA }}

Options

Name	Required	Default	Description
length	false	7	the expected length of the shortened SHA
variable_name	false	SHA	the name of the exported env variable