From 957d74062c1f0e92368aeda335e27d2d61f584f6 Mon Sep 17 00:00:00 2001
From: Junio C Hamano <gitster@pobox.com>
Date: Tue, 3 Jul 2012 14:21:59 -0700
Subject: rev-parse --disambiguate=<prefix>

The new option allows you to feed an ambiguous prefix and enumerate
all the objects that share it as a prefix of their object names.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
---
 t/t1512-rev-parse-disambiguation.sh | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 't/t1512-rev-parse-disambiguation.sh')

diff --git a/t/t1512-rev-parse-disambiguation.sh b/t/t1512-rev-parse-disambiguation.sh
index 6de3cb0c92..3ed7558c1e 100755
--- a/t/t1512-rev-parse-disambiguation.sh
+++ b/t/t1512-rev-parse-disambiguation.sh
@@ -252,4 +252,13 @@ test_expect_success 'ambiguous commit-ish' '
 	test_must_fail git log 000000000...
 '
 
+test_expect_success 'rev-parse --disambiguate' '
+	# The test creates 16 objects that share the prefix and two
+	# commits created by commit-tree in earlier tests do not share
+	# the prefix.
+	git rev-parse --disambiguate=000000000 >actual &&
+	test "$(wc -l <actual)" = 16 &&
+	test "$(sed -e "s/^\(.........\).*/\1/" actual | sort -u)" = 000000000
+'
+
 test_done
-- 
cgit v1.2.1