[PATCH 1/2] test-lib.sh: introduce 4th argument to test_commit() specifying a tag name

["Dmitry V. Levin" <ldv@altlinux.org>]

When fourth argument to test_commit() is specified, use it as a tag
name, unless it equals to empty string.  In the latter case, skip tag
creation.

Suggested-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Dmitry V. Levin <ldv@altlinux.org>
---
 t/test-lib.sh |    8 +++++---
 1 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/t/test-lib.sh b/t/test-lib.sh
index 367f053..a203383 100644
--- a/t/test-lib.sh
+++ b/t/test-lib.sh
@@ -277,10 +277,12 @@ test_tick () {
 	export GIT_COMMITTER_DATE GIT_AUTHOR_DATE
 }
 
-# Call test_commit with the arguments "<message> [<file> [<contents>]]"
+# Call test_commit with the arguments
+# "<message> [<file> [<contents> [<tagname>]]]"
 #
 # This will commit a file with the given contents and the given commit
-# message.  It will also add a tag with <message> as name.
+# message.  It will also add a tag with the given name unless the latter
+# is the empty string.
 #
 # Both <file> and <contents> default to <message>.
 
@@ -290,7 +292,7 @@ test_commit () {
 	git add "$file" &&
 	test_tick &&
 	git commit -m "$1" &&
-	git tag "$1"
+	if test -n "${4-$1}"; then git tag "${4-$1}"; fi
 }
 
 # Call test_merge with the arguments "<message> <commit>", where <commit>


-- 
ldv