feat: silentFailure and outputs.failure

action.yml

@@ -1,6 +1,6 @@
 name: 'Checkout'
 description: 'Checkout a Git repository at a particular version'
-inputs: 
+inputs:
   repository:
     description: 'Repository name with owner. For example, actions/checkout'
     default: ${{ github.repository }}
@@ -23,6 +23,12 @@ inputs:
   lfs:
     description: 'Whether to download Git-LFS files'
     default: false
+  silentFailure:
+    description: 'Whether to silent failure'
+    default: false
+outputs:
+  failure:
+    description: 'A boolean value to indicate if the checkout failed'
 runs:
   using: node12
   main: dist/index.js

src/git-source-provider.ts

@@ -20,6 +20,7 @@ export interface ISourceSettings {
   fetchDepth: number
   lfs: boolean
   accessToken: string
+  silentFailure: boolean
 }
 
 export async function getSource(settings: ISourceSettings): Promise<void> {

src/input-helper.ts

@@ -100,5 +100,9 @@ export function getInputs(): ISourceSettings {
   // Access token
   result.accessToken = core.getInput('token')
 
+  // Silent Failure
+  result.silentFailure =
+    (core.getInput('silentFailure') || 'false').toUpperCase() === 'TRUE'
+
   return result
 }

src/main.ts

@@ -19,7 +19,16 @@ async function run(): Promise<void> {
       )
 
       // Get sources
-      await gitSourceProvider.getSource(sourceSettings)
+      try {
+        await gitSourceProvider.getSource(sourceSettings)
+      } catch (error) {
+        core.setOutput('failure', 'true')
+        if (sourceSettings.silentFailure) {
+          core.info(`Silent Failure: ${error.message}`)
+        } else {
+          throw error
+        }
+      }
     } finally {
       // Unregister problem matcher
       coreCommand.issueCommand('remove-matcher', {owner: 'checkout-git'}, '')