Used inputs

action.yml

@@ -5,10 +5,13 @@ author: Skydust
 # Define your inputs here.
 inputs:
   branchesToIgnore:
-    description: The username
+    description: Comma separated branches to ignore
-    required: true
+    default: "dev,main,master"
-  branchesToRebaseOn:
+    required: false
-    description: ""
+  mainBranch:
+    description: "The main branch to rebase on"
+    default: "dev"
+    required: false
 
 runs:
   using: 'node20'

app.ts

@@ -1,10 +1,11 @@
 import { spawn } from "child_process";
 import { ChildProcess, SpawnOptions } from "node:child_process";
+import * as core from '@actions/core';
 
 // Ignored branches
-const IGNORED_BRANCHES = ["master", "main", "dev", "release"];
+const IGNORED_BRANCHES: string[] = core.getInput('branchesToIgnore', { required: false }).split(",");
 
-const mainBranch = "dev";
+const mainBranch: string =  core.getInput('mainBranch', { required: false });
 
 enum Action {
     Rebase = 0,
@@ -59,6 +60,7 @@ const fetchBranches = async (): Promise<string[]> => {
 
 // Get the full commit history for a branch
 const getCommitsForBranch = async (branch: string): Promise<Set<string>> => {
+    await runGitCommand(["checkout", branch]);
     const commits = await runGitCommand(["rev-list", branch]);
     return new Set(commits.split("\n").filter(Boolean));
 };