From: Derrick Stolee <derrickstolee@github.com>
Date: Mon, 20 Mar 2023 11:26:48 +0000 (+0000)
Subject: for-each-ref: explicitly test no matches
X-Git-Tag: v2.41.0-rc0~106^2~7
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=b2c51b75902acfbb8ab8ac9aadc919bf5a447c1b;p=thirdparty%2Fgit.git

for-each-ref: explicitly test no matches

The for-each-ref builtin can take a list of ref patterns, but if none
match, it still succeeds (but with no output). Add an explicit test that
demonstrates that behavior.

Signed-off-by: Derrick Stolee <derrickstolee@github.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
---

diff --git a/t/t6300-for-each-ref.sh b/t/t6300-for-each-ref.sh
index a58053a54c..6614469d2d 100755
--- a/t/t6300-for-each-ref.sh
+++ b/t/t6300-for-each-ref.sh
@@ -1501,4 +1501,17 @@ test_expect_success 'git for-each-ref --stdin: matches' '
 	test_cmp expect actual
 '
 
+test_expect_success 'git for-each-ref with non-existing refs' '
+	cat >in <<-EOF &&
+	refs/heads/this-ref-does-not-exist
+	refs/tags/bogus
+	EOF
+
+	git for-each-ref --format="%(refname)" --stdin <in >actual &&
+	test_must_be_empty actual &&
+
+	xargs git for-each-ref --format="%(refname)" <in >actual &&
+	test_must_be_empty actual
+'
+
 test_done