From 929b8cc620abca70b3444b09be5249f6c6cb7812 Mon Sep 17 00:00:00 2001
From: Runxi Yu
Date: Thu, 26 Mar 2026 09:19:01 +0000
Subject: ref/name: Rename from ref/refname

---
 ref/name/root.go | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100644 ref/name/root.go

(limited to 'ref/name/root.go')

diff --git a/ref/name/root.go b/ref/name/root.go
new file mode 100644
index 00000000..43361846
--- /dev/null
+++ b/ref/name/root.go
@@ -0,0 +1,21 @@
+package refname
+
+import "strings"
+
+// IsRoot reports whether name is one root ref according to Git.
+func IsRoot(name string) bool {
+	if !IsRootSyntax(name) || IsPseudo(name) {
+		return false
+	}
+
+	if strings.HasSuffix(name, "_HEAD") {
+		return true
+	}
+
+	switch name {
+	case "HEAD", "AUTO_MERGE", "BISECT_EXPECTED_REV", "NOTES_MERGE_PARTIAL", "NOTES_MERGE_REF", "MERGE_AUTOSTASH":
+		return true
+	default:
+		return false
+	}
+}
-- 
cgit v1.3.1-10-gc9f91