Navigate to snapshots from the transcript

2026-10-15 00:08:32 -07:00
parent 75c76eff0a
commit c778741a4a
23 changed files with 763 additions and 202 deletions
@@ -18,20 +18,27 @@ var statuses = map[byte]api.FileChangeStatus{
 }

 func Changes(dir, defaultBranch, since string) (api.TaskChanges, error) {
+	tree, err := Snapshot(dir)
+	if err != nil {
+		return api.TaskChanges{}, err
+	}
+	return Compare(dir, defaultBranch, "HEAD", tree, since)
+}
+
+func Parent(dir, commit string) (string, error) {
+	return run(dir, "rev-parse", "--verify", commit+"^")
+}
+
+func Compare(dir, defaultBranch, head, tree, since string) (api.TaskChanges, error) {
 	base := since
 	if base == "" {
-		mb, err := run(dir, "merge-base", "HEAD", defaultBranch)
+		mb, err := run(dir, "merge-base", head, defaultBranch)
 		if err != nil {
 			return api.TaskChanges{}, err
 		}
 		base = mb
 	}

-	tree, err := Snapshot(dir)
-	if err != nil {
-		return api.TaskChanges{}, err
-	}
-
 	files, err := stats(dir, base, tree)
 	if err != nil {
 		return api.TaskChanges{}, err