Add ability to configure core.longpaths

README.md

@@ -109,6 +109,10 @@ When Git 2.18 or higher is not in your PATH, falls back to the REST API to downl
     # running from unless specified. Example URLs are https://github.com or
     # https://my-ghes-server.example.com
     github-server-url: ''
+
+    # Enable core.longpath support
+    # Default: true
+    long-paths: ''
 ```
 <!-- end usage -->
 

action.yml

@@ -80,6 +80,9 @@ inputs:
   github-server-url:
     description: The base URL for the GitHub instance that you are trying to clone from, will use environment defaults to fetch from the same instance that the workflow is running from unless specified. Example URLs are https://github.com or https://my-ghes-server.example.com
     required: false
+  long-paths:
+    description: Enable core.longpath support
+    default: true
 runs:
   using: node16
   main: dist/index.js

dist/index.js

@@ -18489,6 +18489,8 @@ function getInputs() {
         // Determine the GitHub URL that the repository is being hosted from
         result.githubServerUrl = core.getInput('github-server-url');
         core.debug(`GitHub Host URL = ${result.githubServerUrl}`);
+        // config
+        result.longpaths = core.getInput('long-paths').toUpperCase() == 'TRUE';
         return result;
     });
 }
@@ -31919,6 +31921,15 @@ function getSource(settings) {
                 yield git.fetch(refSpec, settings.fetchDepth);
             }
             core.endGroup();
+            if (settings.longpaths) {
+                core.startGroup('Setting core.longpaths to true');
+                yield git
+                    .config('core.longpaths', 'true', false, false)
+                    .catch(error => {
+                    core.warning(`Failed to set core.longpaths with error: ${error}`);
+                });
+                core.endGroup();
+            }
             // Checkout info
             core.startGroup('Determining the checkout info');
             const checkoutInfo = yield refHelper.getCheckoutInfo(git, settings.ref, settings.commit);

src/git-source-provider.ts

@@ -174,6 +174,18 @@ export async function getSource(settings: IGitSourceSettings): Promise<void> {
     }
     core.endGroup()
 
+    if (settings.longpaths) {
+      core.startGroup('Setting core.longpaths to true')
+      await git
+        .config('core.longpaths', 'true', false, false)
+        .catch(error => {
+          core.warning(
+            `Failed to set core.longpaths with error: ${error}`
+          )
+        })
+      core.endGroup()
+    }
+
     // Checkout info
     core.startGroup('Determining the checkout info')
     const checkoutInfo = await refHelper.getCheckoutInfo(

src/git-source-settings.ts

@@ -98,4 +98,9 @@ export interface IGitSourceSettings {
    * User override on the GitHub Server/Host URL that hosts the repository to be cloned
    */
   githubServerUrl: string | undefined
+
+  /**
+   * Indicates wheter to set core.longpaths in the git config
+   */
+  longpaths: boolean
 }

src/input-helper.ts

@@ -132,5 +132,8 @@ export async function getInputs(): Promise<IGitSourceSettings> {
   result.githubServerUrl = core.getInput('github-server-url')
   core.debug(`GitHub Host URL = ${result.githubServerUrl}`)
 
+  // config
+  result.longpaths = core.getInput('long-paths').toUpperCase() == 'TRUE'
+
   return result
 }