From 1b593e1ea4d2af0f6444d9a7788d5d99abd6fde5 Mon Sep 17 00:00:00 2001
From: Vincent Ambo <Vincent Ambo>
Date: Sat, 11 Jan 2020 23:36:56 +0000
Subject: Squashed 'third_party/git/' content from commit cb71568594

git-subtree-dir: third_party/git
git-subtree-split: cb715685942260375e1eb8153b0768a376e4ece7
---
 t/t4044-diff-index-unique-abbrev.sh | 41 +++++++++++++++++++++++++++++++++++++
 1 file changed, 41 insertions(+)
 create mode 100755 t/t4044-diff-index-unique-abbrev.sh

(limited to 't/t4044-diff-index-unique-abbrev.sh')

diff --git a/t/t4044-diff-index-unique-abbrev.sh b/t/t4044-diff-index-unique-abbrev.sh
new file mode 100755
index 000000000000..647905e01fb9
--- /dev/null
+++ b/t/t4044-diff-index-unique-abbrev.sh
@@ -0,0 +1,41 @@
+#!/bin/sh
+
+test_description='test unique sha1 abbreviation on "index from..to" line'
+. ./test-lib.sh
+
+if ! test_have_prereq SHA1
+then
+       skip_all='not using SHA-1 for objects'
+       test_done
+fi
+
+cat >expect_initial <<EOF
+100644 blob 51d2738463ea4ca66f8691c91e33ce64b7d41bb1	foo
+EOF
+
+cat >expect_update <<EOF
+100644 blob 51d2738efb4ad8a1e40bed839ab8e116f0a15e47	foo
+EOF
+
+test_expect_success 'setup' '
+	echo 4827 > foo &&
+	git add foo &&
+	git commit -m "initial" &&
+	git cat-file -p HEAD: > actual &&
+	test_cmp expect_initial actual &&
+	echo 11742 > foo &&
+	git commit -a -m "update" &&
+	git cat-file -p HEAD: > actual &&
+	test_cmp expect_update actual
+'
+
+cat >expect <<EOF
+index 51d27384..51d2738e 100644
+EOF
+
+test_expect_success 'diff does not produce ambiguous index line' '
+	git diff HEAD^..HEAD | grep index > actual &&
+	test_cmp expect actual
+'
+
+test_done
-- 
cgit 1.4.1