Add the ability to setup a caching git-lfs proxy server

src/git-source-provider.ts

@@ -182,6 +182,19 @@ export async function getSource(settings: IGitSourceSettings): Promise<void> {
     )
     core.endGroup()
 
+    // LFS URL
+    if (settings.lfs && settings.lfsurl) {
+        core.startGroup('Setting LFS URL')
+        await git
+          .config('lfs.url', settings.lfsurl, false, false)
+          .catch(error => {
+            core.info(
+              `Failed to initialize safe directory with error: ${error}`
+            )
+          })
+        core.endGroup()
+    }
+
     // LFS fetch
     // Explicit lfs-fetch to avoid slow checkout (fetches one lfs object at a time).
     // Explicit lfs fetch will fetch lfs objects in parallel.

src/git-source-settings.ts

@@ -39,6 +39,11 @@ export interface IGitSourceSettings {
    */
   lfs: boolean
 
+  /**
+   * The fetch URL to use for LFS objects
+   */
+  lfsurl: string
+
   /**
    * Indicates whether to checkout submodules
    */

src/input-helper.ts

@@ -91,6 +91,7 @@ export async function getInputs(): Promise<IGitSourceSettings> {
 
   // LFS
   result.lfs = (core.getInput('lfs') || 'false').toUpperCase() === 'TRUE'
+  result.lfsurl = (core.getInput('lfs-url') || '')
   core.debug(`lfs = ${result.lfs}`)
 
   // Submodules