diff mbox series

[v2,4/9] t4013: test "git diff-index -m"

Message ID 20210519114552.4180-5-sorganov@gmail.com (mailing list archive)
State Accepted
Commit e0b16421b17fffa2544eebfcb570fdb766fd0bc4
Headers show
Series diff-merges: let -m imply -p | expand

Commit Message

Sergey Organov May 19, 2021, 11:45 a.m. UTC 
-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>
---
 t/t4013-diff-various.sh | 13 +++++++++++++
 1 file changed, 13 insertions(+)
diff mbox series

Patch

diff --git a/t/t4013-diff-various.sh b/t/t4013-diff-various.sh
index e53ca7aa503f..c35cc73d08bd 100755
--- a/t/t4013-diff-various.sh
+++ b/t/t4013-diff-various.sh
@@ -493,6 +493,19 @@  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
 '