initial commit

.github/FUNDING.yml

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+ko_fi: keefy

.github/workflows/main.yml

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+on: [push]
+
+jobs:
+  generate_build_matrix:
+    runs-on: ubuntu-latest
+    name: Generate build matrix. 
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+      - name: Generate Build Matrix
+        uses: ./
+        id: generate_build_matrix
+        with:
+          repo-token: ${{ secrets.MY_GITHUB_TOKEN }}
+      - name: Print the output
+        run: |
+          echo "The build matrix is ${{ steps.generate_build_matrix.outputs.build_matrix }}"
+          echo "Build matrix empty: ${{ steps.generate_build_matrix.outputs.is_empty }}"

.gitignore

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+node_modules

LICENSE

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+MIT License
+
+Copyright (c) 2020 Keith Thompson
+
+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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+# detected-changes-action
+
+This action generates a build matrix dynamically based on where files are changed in the diff from the default branch. 
+
+## Inputs
+
+### `repo-token`
+
+The Github token used to authenticate. 
+
+### `target-directory`
+
+An optional directory to listen to changes under. 
+
+### `depth`
+
+How many levels deep to search for changes. 
+
+## Outputs
+
+### `build_matrix`
+
+The generated build matrix.
+
+### `is_empty`
+
+Returns true if the build matrix is empty. 
+
+## Example usage
+
+```yaml
+name: Generate Build Matrix
+uses: keiththompson/[email protected]
+id: generate_build_matrix
+with:
+  repo-token: ${{ secrets.MY_GITHUB_TOKEN }}
+  target-directory: projects
+  depth: 3
+```

action.yml

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+name: 'Generate build matrix'
+description: 'A job that generates a build matrix based on files changed'
+inputs:
+  repo-token:
+    description: 'The github token used to authenticate'
+    required: true
+  depth:
+    description: 'How many levels deep should the directories be returned'
+    required: true
+    default: 2
+  target-directory:
+    description: 'An optional target directory to listen to changes in'
+    required: false
+outputs:
+  build_matrix:
+    description: 'The files changed between the default branch and the sha being built'
+  is_empty:
+    description: 'Returns true when the build matrix is empty'
+runs:
+  using: 'node12'
+  main: 'dist/index.js'