refactor(git): split status.ts into source-control modules (#16393)

src/main/git/source-control/commit-changes.ts

@@ -0,0 +1,34 @@
+import type { GitRuntimeOptions } from '../git-runtime-options'
+import { gitOptionsForWorktree } from '../git-runtime-options'
+import { gitExecFileAsync } from '../runner'
+import { invalidateGitReadCaches } from './git-read-cache-invalidation'
+
+export async function commitChanges(
+  worktreePath: string,
+  message: string,
+  options: GitRuntimeOptions = {}
+): Promise<{ success: boolean; error?: string }> {
+  invalidateGitReadCaches()
+  try {
+    await gitExecFileAsync(['commit', '-m', message], gitOptionsForWorktree(worktreePath, options))
+    return { success: true }
+  } catch (error) {
+    // Why: useful message may be on stderr (hook/GPG failures) or stdout ("nothing to commit"), so try both then message.
+    const readStringField = (field: string): string | null => {
+      if (typeof error === 'object' && error && field in error) {
+        const v = (error as Record<string, unknown>)[field]
+        if (typeof v === 'string' && v.length > 0) {
+          return v
+        }
+      }
+      return null
+    }
+    const errorMessage =
+      readStringField('stderr') ??
+      readStringField('stdout') ??
+      (error instanceof Error ? error.message : 'Commit failed')
+    return { success: false, error: errorMessage }
+  } finally {
+    invalidateGitReadCaches()
+  }
+}