init

.github/workflows/sample.yml

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+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  sample:
+    runs-on: ubuntu-latest
+    name: Sample
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+      - name: Get PR labels
+        id: pr-labels
+        uses: ./
+      - run: |
+          env | grep GITHUB_PR_LABEL || true

.gitignore

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+node_modules
+lib

.nvmrc

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+16.10.0

.prettierrc.json

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+{
+    "overrides": [
+      {
+        "files": "*.yml",
+        "options": {
+          "singleQuote": true
+        }
+        }
+    ]
+  }

LICENSE

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+MIT License
+
+Copyright (c) 2023 Matthew H. Irby
+
+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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+# PR Labels on Push
+
+A Github action that extracts labels from the most recent push and makes them available to other actions. Labels are available as step outputs and environment variables that you can use in later steps in your action.
+
+## How do I use this?
+
+Perhaps you have a test that you only want to run when PR label `release:master` is set. Your workflow should look like this:
+
+```yaml
+jobs:
+  test:
+    steps:
+      - name: Get PR labels
+        id: pr-labels
+        uses: irby/get-labels-on-push@main
+
+      # GITHUB_PR_LABEL_RELEASE_MASTER was set by pr-labels action
+      - run: |
+          if [ -n "$GITHUB_PR_LABEL_RELEASE_MASTER" ]; then
+            echo "This is a release label!"
+          fi
+
+      # or you can use the action output.
+      # For the label name, use lowercase kebab-case and surround with spaces
+      - run: |
+          scripts/release-major.sh
+        if: contains(steps.pr-labels.outputs.labels, ' release-major ')
+```
+
+## Code Based on the Following
+
+[joerick/pr-labels-action](https://github.com/joerick/pr-labels-action)
+[shioyang/check-pr-labels-on-push-action](https://github.com/shioyang/check-pr-labels-on-push-action)

action.yml

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+name: 'Get Labels on Push'
+author: irby
+description: 'This action will convert all labels from the latest PR into a dictionary to be read by other steps in GitHub Actions pipeline.'
+inputs:
+  github-token: # id of input
+    description: 'The repository token, i.e. secrets.GITHUB_TOKEN'
+    required: true
+outputs:
+  labels:
+    description: |
+      The labels on this PR. A string containing tag identifiers surrounded
+      with spaces for easy use with `contains`.
+  labels-object:
+    description: |
+      The labels on this PR. A dictionary containing `true` where a label
+      exists
+runs:
+  using: 'node16'
+  main: 'dist/index.js'
+branding:
+  icon: 'tag'
+  color: 'green'