feat: adds discover and run actions (#13)

.github/workflows/ci.yml

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+on:
+  workflow_call:
+    inputs:
+      forge_version:
+        description: |
+          The version of the forge CLI to install (use 'local' for testing)
+        required: true
+        type: string
+
+jobs:
+  discover:
+    runs-on: ubuntu-latest
+    outputs:
+      result: ${{ steps.discovery.outputs.result }}
+    steps:
+      - uses: actions/checkout@v4
+      - name: Setup
+        uses: ./forge/actions/setup
+        with:
+          forge_version: ${{ inputs.forge_version }}
+      - name: Discovery
+        id: discovery
+        uses: ./forge/actions/discovery
+        with:
+          filters: |
+            ^build.*
+            ^check.*
+            ^test.*
+
+  check:
+    uses: ./.github/workflows/run.yml
+    needs: [discover]
+    with:
+      earthfiles: ${{ toJson(fromJson(needs.discover.outputs.result)['^check.*']) }}
+      forge_version: ${{ inputs.forge_version }}
+
+  build:
+    uses: ./.github/workflows/run.yml
+    needs: [discover, check]
+    with:
+      earthfiles: ${{ toJson(fromJson(needs.discover.outputs.result)['^build.*']) }}
+      forge_version: ${{ inputs.forge_version }}
+
+  test:
+    uses: ./.github/workflows/run.yml
+    needs: [discover, check, build]
+    with:
+      earthfiles: ${{ toJson(fromJson(needs.discover.outputs.result)['^test.*']) }}
+      forge_version: ${{ inputs.forge_version }}

.github/workflows/dogfood.yml

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+name: Dogfood
+
+on:
+  push:
+
+permissions:
+  id-token: write
+  contents: write
+  packages: write
+
+jobs:
+  ci:
+    uses: ./.github/workflows/ci.yml
+    with:
+      forge_version: local

.github/workflows/run.yml

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+on:
+  workflow_call:
+    inputs:
+      earthfiles:
+        description: |
+          A JSON list of Earthfile paths+targets to run
+        required: true
+        type: string
+      forge_version:
+        description: |
+          The version of the forge CLI to install (use 'local' for testing)
+        required: true
+        type: string
+
+jobs:
+  run:
+    name: ${{ matrix.earthfile }}
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        earthfile: ${{ fromJson(inputs.earthfiles) }}
+    steps:
+      - uses: actions/checkout@v4
+      - name: Setup CI
+        uses: ./forge/actions/setup
+        with:
+          forge_version: ${{ inputs.forge_version }}
+      - name: Run
+        uses: ./forge/actions/run
+        with:
+          path: ${{ matrix.earthfile }}

.gitignore

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+# Node
+node_modules

forge/actions/.eslintrc.yml

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+env:
+  commonjs: true
+  es6: true
+  jest: true
+  node: true
+
+globals:
+  Atomics: readonly
+  SharedArrayBuffer: readonly
+
+ignorePatterns:
+  - 'node_modules/'
+  - 'dist/'
+  - 'coverage/'
+  - '*.json'
+
+parser: '@babel/eslint-parser'
+
+parserOptions:
+  ecmaVersion: 2023
+  sourceType: module
+  requireConfigFile: false
+  babelOptions:
+    babelrc: false
+    configFile: false
+    presets:
+      - jest
+
+plugins:
+  - jest
+
+extends:
+  - eslint:recommended
+  - plugin:github/recommended
+  - plugin:jest/recommended
+
+rules:
+  {
+    'camelcase': 'off',
+    'eslint-comments/no-use': 'off',
+    'eslint-comments/no-unused-disable': 'off',
+    'i18n-text/no-en': 'off',
+    'import/no-commonjs': 'off',
+    'import/no-namespace': 'off',
+    'no-console': 'off',
+    'no-unused-vars': 'off',
+    'prettier/prettier': 'error',
+    'semi': 'off'
+  }

forge/actions/discovery/.node-version

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+20.14.0

forge/actions/discovery/README.md

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+# Discover Action
+
+The discover action acts as a wrapper over the `forge scan` command from the Forge CLI.
+It provides inputs that map to their respective flags.
+The result from running the command is returned in the `result` output.
+By default, the `--enumerate` flag is passed as this is usually the desired output format in CI.
+
+For more information on the `scan` command, refer to the Forge CLI documentation.
+
+## Usage
+
+```yaml
+name: Run Setup
+on:
+  push:
+
+permissions:
+  contents: read
+  id-token: write
+
+jobs:
+  setup:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Setup
+        uses: input-output-hk/catalyst-forge/forge/actions/setup@master
+      - name: Discover
+        id: discovery
+        uses: input-output-hk/catalyst-forge/forge/actions/discover@master
+        with:
+          filters: |
+            ^check.*
+            ^test.*
+      - name: Show result
+        run: echo "${{ steps.discovery.outputs.result }}
+```
+
+## Inputs
+
+| Name      | Description                                   | Required | Default   |
+| --------- | --------------------------------------------- | -------- | --------- |
+| absolute  | Output absolute paths                         | No       | `"false"` |
+| enumerate | Enumerate results into Earthfile+Target pairs | No       | `"true"`  |
+| filters   | A newline separated list of filters to apply  | No       | `""`      |
+| path      | The path to search from                       | No       | `"."`     |

forge/actions/discovery/action.yml

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+name: Discovery
+description: Discovers Earthfiles
+inputs:
+  absolute:
+    description: Output absolute paths
+    default: "false"
+  enumerate:
+    description: Enumerate results into Earthfile+Target pairs
+    default: "true"
+  filters:
+    description: A newline separated list of filters to apply
+    default: ""
+  path:
+    description: The path to search from
+    default: "."
+outputs:
+  result:
+    description: The result of the discovery
+
+runs:
+  using: node20
+  main: dist/index.js