feat: add support for forcing the use of GitHub’s REST API (#1849)

Co-authored-by: GitHub Action <action@github.com>

.github/workflows/multi-job-test.yml

@@ -36,3 +36,32 @@ jobs:
       - name: List all changed files
         run: |
           echo '${{ needs.changed-files.outputs.all_changed_files }}'
+          
+
+  changed-files-rest-api:
+    name: Get changed files using REST API
+    runs-on: ubuntu-latest
+    outputs:
+      all_changed_files: ${{ steps.changed-files.outputs.all_changed_files }}
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+      - name: Get changed files
+        id: changed-files
+        continue-on-error: ${{ github.event_name == 'push' }}
+        uses: ./
+        with:
+          use_rest_api: true
+      - name: List all changed files
+        run: echo '${{ steps.changed-files.outputs.all_changed_files }}'
+
+  view-changed-files-rest-api:
+    name: View all changed files using REST API
+    runs-on: ubuntu-latest
+    needs: [changed-files-rest-api]
+    steps:
+      - name: List all changed files
+        run: |
+          echo '${{ needs.changed-files-rest-api.outputs.all_changed_files }}'

.github/workflows/workflow-run-test.yml

@@ -1,4 +1,4 @@
-name: Workflow Run Exmaple
+name: Workflow Run Example
 on:
   workflow_run:
     workflows: [Matrix Test]

action.yml

@@ -203,6 +203,10 @@ inputs:
     description: "Github API URL."
     required: false
     default: ${{ github.api_url }}
+  use_rest_api:
+    description: "Force the use of Github's REST API even when a local copy of the repository exists"
+    required: false
+    default: "false"
   fail_on_initial_diff_error:
     description: "Fail when the initial diff fails."
     required: false

src/inputs.ts

@@ -53,6 +53,7 @@ export type Inputs = {
   failOnInitialDiffError: boolean
   failOnSubmoduleDiffError: boolean
   negationPatternsFirst: boolean
+  useRestApi: boolean
 }
 
 export const getInputs = (): Inputs => {
@@ -228,6 +229,10 @@ export const getInputs = (): Inputs => {
     }
   )
 
+  const useRestApi = core.getBooleanInput('use_rest_api', {
+    required: false
+  })
+
   const inputs: Inputs = {
     files,
     filesSeparator,
@@ -280,7 +285,8 @@ export const getInputs = (): Inputs => {
     outputRenamedFilesAsDeletedAndAdded,
     token,
     apiUrl,
-    negationPatternsFirst
+    negationPatternsFirst,
+    useRestApi
   }
 
   if (fetchDepth) {

src/main.ts

@@ -243,23 +243,36 @@ export async function run(): Promise<void> {
   })
   core.debug(`Yaml file patterns: ${JSON.stringify(yamlFilePatterns)}`)
 
+  if (inputs.useRestApi && !github.context.payload.pull_request?.number) {
+    throw new Error(
+      "Only pull_request* events are supported when using GitHub's REST API."
+    )
+  }
+
   if (
     inputs.token &&
     github.context.payload.pull_request?.number &&
-    !hasGitDirectory
+    (!hasGitDirectory || inputs.useRestApi)
   ) {
     core.info("Using GitHub's REST API to get changed files")
     const unsupportedInputs: (keyof Inputs)[] = [
       'sha',
       'baseSha',
       'since',
       'until',
+      'path',
+      'quotePath',
+      'diffRelative',
       'sinceLastRemoteCommit',
       'recoverDeletedFiles',
       'recoverDeletedFilesToDestination',
       'recoverFiles',
+      'recoverFilesSeparator',
       'recoverFilesIgnore',
+      'recoverFilesIgnoreSeparator',
       'includeAllOldNewRenamedFiles',
+      'oldNewSeparator',
+      'oldNewFilesSeparator',
       'skipInitialFetch',
       'fetchSubmoduleHistory',
       'dirNamesDeletedFilesIncludeOnlyDeletedDirs'
@@ -280,10 +293,9 @@ export async function run(): Promise<void> {
   } else {
     if (!hasGitDirectory) {
       core.info(`Running on a ${github.context.eventName} event...`)
-      core.setFailed(
-        "Can't find local .git directory. Please run actions/checkout before this action. If you intend to use Github's REST API note that only pull_request* events are supported."
+      throw new Error(
+        "Can't find local .git directory. Please run actions/checkout before this action (Make sure the path specified in the 'path' input is correct). If you intend to use Github's REST API note that only pull_request* events are supported."
       )
-      return
     }
 
     core.info('Using local .git directory')
@@ -302,5 +314,6 @@ if (!process.env.TESTING) {
   // eslint-disable-next-line github/no-then
   run().catch(e => {
     core.setFailed(e.message || e)
+    process.exit(1)
   })
 }