A GitHub Action which creates a string using the commit SHA and the current timestamp which can be used to name a tag and then publish it to GitHub.

name: snapshot workflow
on:
  push:
    branches:
      - master
jobs:
  Generate Tag:
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v2
    - name: Create tag with Github SHA and timestamp
      uses: DevourTech/[email protected]
      with:
        BASE_VERSION: v0.0.0
        GITHUB_TOKEN: ${{ github.token }}
        GITHUB_USERNAME: <Your GitHub username>
        GITHUB_REPOSITORY: <Repository for which you want the tag to be released>

• BASE_VERSION (Required)

Base semantic version used to create snapshot.
Eg. v3.4.3

• GITHUB_TOKEN (Required)

Github Token used to authenticate to GitHub.

• GITHUB_USERNAME (Required)

Username used to login to GitHub
Eg. DevourTech

• GITHUB_REPOSITORY (Required)

Repository for which the tag is supposed to be generated on the latest commit.
Eg. snapshotter

• SNAPSHOT_VERSION

Version generated by the action.

Eg.v3.4.3-20200712152333-a007e621125e

• Add this action to your repo
• Commit some changes
• push either to master or any other branch specified in the workflow
• On push (or merge), the action will:
  • Get the latest commit hash and timestamp
  • Generate a custom string using the above two arguments

This action just generates a custom string which can be used as an output to release a tag with custom name. If you also want to release this tag to GitHub, add this action GitHub Script to your workflow file .