Restore the branch-suffix input

src/create-pull-request.ts

@@ -12,6 +12,7 @@ export interface Inputs {
   committer: string
   author: string
   branch: string
+  branchSuffix: string
   base: string
   pushToFork: string
   title: string
@@ -107,6 +108,30 @@ export async function createPullRequest(inputs: Inputs): Promise<void> {
     }
     core.endGroup()
 
+    // Apply the branch suffix if set
+    if (inputs.branchSuffix) {
+      switch (inputs.branchSuffix) {
+        case 'short-commit-hash':
+          // Suffix with the short SHA1 hash
+          inputs.branch = `${inputs.branch}-${await git.revParse('HEAD', [
+            '--short'
+          ])}`
+          break
+        case 'timestamp':
+          // Suffix with the current timestamp
+          inputs.branch = `${inputs.branch}-${utils.secondsSinceEpoch()}`
+          break
+        case 'random':
+          // Suffix with a 7 character random string
+          inputs.branch = `${inputs.branch}-${utils.randomString()}`
+          break
+        default:
+          throw new Error(
+            `Branch suffix '${inputs.branchSuffix}' is not a valid value. Unable to continue.`
+          )
+      }
+    }
+
     // Output head branch
     core.info(
       `Pull request branch to create or update set to '${inputs.branch}'`

src/main.ts

@@ -12,6 +12,7 @@ async function run(): Promise<void> {
       committer: core.getInput('committer'),
       author: core.getInput('author'),
       branch: core.getInput('branch'),
+      branchSuffix: core.getInput('branch-suffix'),
       base: core.getInput('base'),
       pushToFork: core.getInput('push-to-fork'),
       title: core.getInput('title'),