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[v3,2/8] for-each-ref: explicitly test no matches

Message ID f56d6a64d24147b4fc59118d82029fbe7cd5af38.1678902343.git.gitgitgadget@gmail.com (mailing list archive)
State Accepted
Commit b2c51b75902acfbb8ab8ac9aadc919bf5a447c1b
Headers show
Series ref-filter: ahead/behind counting, faster --merged option | expand

Commit Message

Derrick Stolee March 15, 2023, 5:45 p.m. UTC 
From: Derrick Stolee <derrickstolee@github.com>

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>
---
 t/t6300-for-each-ref.sh | 13 +++++++++++++
 1 file changed, 13 insertions(+)
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Patch

diff --git a/t/t6300-for-each-ref.sh b/t/t6300-for-each-ref.sh
index a58053a54c5..6614469d2d6 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