[PATCH] t5403: document check_post_checkout helper

From

Pushkar Singh <pushkarkumarsingh1970@gmail.com>

Date

Jan 11, 2026, 12:10 UTC

Message-ID

<20260111121218.33935-1-pushkarkumarsingh1970@gmail.com>

In-Reply-To

<20260111072950.9463-2-deveshigurgaon@gmail.com>

---
 t/t5403-post-checkout-hook.sh | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/t/t5403-post-checkout-hook.sh b/t/t5403-post-checkout-hook.sh
index 63a2221441..31ad369b3f 100755
--- a/t/t5403-post-checkout-hook.sh
+++ b/t/t5403-post-checkout-hook.sh
@@ -9,7 +9,11 @@ export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
 
 . ./test-lib.sh
 
-# Helper function to check post-checkout hook arguments
+# Usage: check_post_checkout <args-file> <old> <new> <flag>
+#
+# Verifies that the post-checkout hook wrote the expected old and new
+# object IDs and the expected flag (1 for branch switch, 0 otherwise)
+# into <args-file>.
 check_post_checkout () {
 	test "$#" = 4 || BUG "check_post_checkout takes 4 args"
 	read old new flag <"$1" &&

-- 
2.43.0