From: Sergey Organov <sorganov@gmail.com>
Date: Thu, 20 May 2021 21:46:58 +0000 (+0300)
Subject: t4013: test "git diff-index -m"
X-Git-Tag: v2.33.0-rc0~111^2~5
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e0b16421b17fffa2544eebfcb570fdb766fd0bc4;p=thirdparty%2Fgit.git

t4013: test "git diff-index -m"

-m in "git diff-index" means "match missing", that differs
from its meaning in "git diff". Let's check it in diff-index.

Signed-off-by: Sergey Organov <sorganov@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
---

diff --git a/t/t4013-diff-various.sh b/t/t4013-diff-various.sh
index bdc23b1180..e561a8e485 100755
--- a/t/t4013-diff-various.sh
+++ b/t/t4013-diff-various.sh
@@ -494,6 +494,19 @@ test_expect_success 'git config log.diffMerges first-parent vs -m' '
 	test_cmp expected actual
 '
 
+# -m in "git diff-index" means "match missing", that differs
+# from its meaning in "git diff". Let's check it in diff-index.
+# The line in the output for removed file should disappear when
+# we provide -m in diff-index.
+test_expect_success 'git diff-index -m' '
+	rm -f file1 &&
+	git diff-index HEAD >without-m &&
+	lines_count=$(wc -l <without-m) &&
+	git diff-index -m HEAD >with-m &&
+	git restore file1 &&
+	test_line_count = $((lines_count - 1)) with-m
+'
+
 test_expect_success 'log -S requires an argument' '
 	test_must_fail git log -S
 '