Initial commit.

.github/ISSUE_TEMPLATE.md

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+* branch-name:
+
+### Description
+
+Describe what you were trying to get done.
+Tell us what happened, what went wrong, and what you expected to happen.
+
+### What I Did
+
+Add some details about your workflow ?

.github/workflows/test.yml

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+name: CI
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    name: Test branch-name
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+      - name: shellcheck
+        uses: reviewdog/action-shellcheck@v1

.gitignore

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+.idea/
+.envrc

Dockerfile

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+FROM alpine:3.12
+
+LABEL maintainer="Tonye Jack <jtonye@ymail.com>"
+
+RUN apk add bash
+
+COPY entrypoint.sh /entrypoint.sh
+RUN chmod +x /entrypoint.sh
+ENTRYPOINT ["/entrypoint.sh"]

HISTORY.md

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+History
+-------
+
+v1 (2020-12-11)
+------------------
+
+* Initial Release.

LICENSE

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+MIT License
+
+Copyright (c) 2020, Tonye Jack
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+

README.md

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+branch-name
+-----------
+
+Retrieve giithub branch information without any prefix
+
+```yaml
+...
+    steps:
+      - uses: actions/checkout@v2
+      - name: Get branch name
+        uses: tj-actions/branch-name@v1
+```
+
+
+## Inputs
+
+|   Input       |    type    |  required     |  default             | 
+|:-------------:|:-----------:|:-------------:|:---------------------:|
+| token         |  `string`   |    `false`    | `${{ github.token }}` |
+
+
+
+* Free software: [MIT license](LICENSE)
+
+Features
+--------
+
+* TODO
+
+
+Credits
+-------
+
+This package was created with [Cookiecutter](https://github.com/cookiecutter/cookiecutter).
+
+
+
+Report Bugs
+-----------
+
+Report bugs at https://github.com/tj-actions/branch-name/issues.
+
+If you are reporting a bug, please include:
+
+* Your operating system name and version.
+* Any details about your workflow that might be helpful in troubleshooting.
+* Detailed steps to reproduce the bug.

action.yml

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+name: Get branch name
+description: Retrieve giithub branch information without `/ref/heads` prefix
+author: tj-actions
+inputs:
+  token:
+    description: 'GITHUB_TOKEN or a Repo scoped PAT'
+    required: true
+    default: ${{ github.token }}
+
+outputs:
+  base_ref_branch:
+    description: 'The target branch of a pull request'
+  head_ref_branch:
+    description: 'The source branch of a pull request'
+  ref_branch:
+    description: 'The branch that triggered the workflow run.'
+
+runs:
+  using: 'docker'
+  image: 'Dockerfile'
+  args:
+    - ${{ github.base_ref }}
+    - ${{ github.head_ref }}
+    - ${{ github.ref }}
+branding:
+  icon: git-branch
+  color: white

entrypoint.sh

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+#!/usr/bin/env bash
+
+set -e
+
+echo "::set-output name=base_ref_branch::${0/refs\/heads\//}"
+echo "::set-output name=head_ref_branch::${1/refs\/heads\//}"
+echo "::set-output name=ref_branch::${2/refs\/heads\//}"