Add fetch.parallel option

README.md

@@ -94,6 +94,12 @@ Please refer to the [release page](https://github.com/actions/checkout/releases/
     # Default: false
     fetch-tags: ''
 
+    # Specifies the maximal number of fetch operations to be run in parallel at a time
+    # (submodules, or remotes when the --multiple option of git-fetch is in effect). A
+    # value of 0 will give some reasonable default. If unset, it defaults to 1.
+    # Default: 1
+    fetch-parallel: ''
+
     # Whether to show progress status output when fetching.
     # Default: true
     show-progress: ''
@@ -115,7 +121,7 @@ Please refer to the [release page](https://github.com/actions/checkout/releases/
     # integer allows up to that number of submodules fetched in parallel. A value of 0
     # will give some reasonable default. If unset, it defaults to 1.
     # Default: 1
-    submodulesFetchJobs: ''
+    submodules-fetch-jobs: ''
 
     # Add repository path as safe.directory for Git global config by running `git
     # config --global --add safe.directory <path>`

__test__/git-auth-helper.test.ts

@@ -807,6 +807,7 @@ async function setup(testName: string): Promise<void> {
     sparseCheckoutConeMode: true,
     fetchDepth: 1,
     fetchTags: false,
+    fetchParallel: '1',
     showProgress: true,
     lfs: false,
     submodules: false,

action.yml

@@ -73,6 +73,11 @@ inputs:
   fetch-tags:
     description: 'Whether to fetch tags, even if fetch-depth > 0.'
     default: false
+  fetch-parallel:
+    description: >
+      Specifies the maximal number of fetch operations to be run in parallel at a time (submodules, or remotes when the --multiple option of git-fetch is in effect).
+      A value of 0 will give some reasonable default. If unset, it defaults to 1.
+    default: 1
   show-progress:
     description: 'Whether to show progress status output when fetching.'
     default: true
@@ -88,7 +93,7 @@ inputs:
       When the `ssh-key` input is not provided, SSH URLs beginning with `git@github.com:` are
       converted to HTTPS.
     default: false
-  submodulesFetchJobs:
+  submodules-fetch-jobs:
     description: >
       Specifies how many submodules are fetched/cloned at the same time. A positive integer allows up to that number of submodules fetched in parallel. A value of 0 will give some reasonable default. If unset, it defaults to 1.
     default: 1

dist/index.js

@@ -1243,6 +1243,7 @@ function getSource(settings) {
             }
             // Fetch
             core.startGroup('Fetching the repository');
+            yield git.config('fetch.parallel', settings.fetchParallel.toString());
             const fetchOptions = {};
             if (settings.filter) {
                 fetchOptions.filter = settings.filter;
@@ -1753,6 +1754,12 @@ function getInputs() {
         result.fetchTags =
             (core.getInput('fetch-tags') || 'false').toUpperCase() === 'TRUE';
         core.debug(`fetch tags = ${result.fetchTags}`);
+        // Fetch tags
+        result.fetchParallel = Math.floor(Number(core.getInput('fetch-parallel') || '1'));
+        if (isNaN(result.fetchParallel) || result.fetchParallel < 0) {
+            result.fetchParallel = 0;
+        }
+        core.debug(`fetch parallel = ${result.fetchTags}`);
         // Show fetch progress
         result.showProgress =
             (core.getInput('show-progress') || 'true').toUpperCase() === 'TRUE';

src/git-source-provider.ts

@@ -153,6 +153,7 @@ export async function getSource(settings: IGitSourceSettings): Promise<void> {
 
     // Fetch
     core.startGroup('Fetching the repository')
+    await git.config('fetch.parallel', settings.fetchParallel.toString())
     const fetchOptions: {
       filter?: string
       fetchDepth?: number

src/git-source-settings.ts

@@ -54,6 +54,11 @@ export interface IGitSourceSettings {
    */
   fetchTags: boolean
 
+  /**
+   * Indicates the maximal number of fetch operations to be run in parallel at a time
+   */
+  fetchParallel: number
+
   /**
    * Indicates whether to use the --progress option when fetching
    */

src/input-helper.ts

@@ -113,6 +113,15 @@ export async function getInputs(): Promise<IGitSourceSettings> {
     (core.getInput('fetch-tags') || 'false').toUpperCase() === 'TRUE'
   core.debug(`fetch tags = ${result.fetchTags}`)
 
+  // Fetch tags
+  result.fetchParallel = Math.floor(
+    Number(core.getInput('fetch-parallel') || '1')
+  )
+  if (isNaN(result.fetchParallel) || result.fetchParallel < 0) {
+    result.fetchParallel = 0
+  }
+  core.debug(`fetch parallel = ${result.fetchTags}`)
+
   // Show fetch progress
   result.showProgress =
     (core.getInput('show-progress') || 'true').toUpperCase() === 'TRUE'