[PATCH 1/6] test: fix build for zsh

[Felipe Contreras <felipe.contreras@gmail.com>]

Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>
---
 t/lib-bash.sh |  2 +-
 t/test-lib.sh | 20 ++++++++++++++------
 2 files changed, 15 insertions(+), 7 deletions(-)

diff --git a/t/lib-bash.sh b/t/lib-bash.sh
index b0b6060929..798b6d0265 100644
--- a/t/lib-bash.sh
+++ b/t/lib-bash.sh
@@ -10,7 +10,7 @@ elif type bash >/dev/null 2>&1
 then
 	# execute in full-on bash mode
 	unset POSIXLY_CORRECT
-	exec bash "$0" "$@"
+	exec bash "${ZSH_ARGZERO-$0}" "$@"
 else
 	echo '1..0 #SKIP skipping bash completion tests; bash not available'
 	exit 0
diff --git a/t/test-lib.sh b/t/test-lib.sh
index 62136caee5..cc705df981 100644
--- a/t/test-lib.sh
+++ b/t/test-lib.sh
@@ -15,6 +15,14 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see http://www.gnu.org/licenses/ .
 
+if test -n "${ZSH_VERSION-}"
+then
+	emulate sh
+	ARGZERO="$ZSH_ARGZERO"
+else
+	ARGZERO="$0"
+fi
+
 # Test the binaries we have just built.  The tests are kept in
 # t/ subdirectory and are run in 'trash directory' subdirectory.
 if test -z "$TEST_DIRECTORY"
@@ -310,7 +318,7 @@ then
 fi
 
 TEST_STRESS_JOB_SFX="${GIT_TEST_STRESS_JOB_NR:+.stress-$GIT_TEST_STRESS_JOB_NR}"
-TEST_NAME="$(basename "$0" .sh)"
+TEST_NAME="$(basename "$ARGZERO" .sh)"
 TEST_NUMBER="${TEST_NAME%%-*}"
 TEST_NUMBER="${TEST_NUMBER#t}"
 TEST_RESULTS_DIR="$TEST_OUTPUT_DIRECTORY/test-results"
@@ -388,7 +396,7 @@ then
 			      { test -z "$stress_limit" ||
 				test $cnt -le $stress_limit ; }
 			do
-				$TEST_SHELL_PATH "$0" "$@" >"$TEST_RESULTS_BASE.stress-$job_nr.out" 2>&1 &
+				$TEST_SHELL_PATH "$ARGZERO" "$@" >"$TEST_RESULTS_BASE.stress-$job_nr.out" 2>&1 &
 				test_pid=$!
 
 				if wait $test_pid
@@ -442,7 +450,7 @@ then
 	# from any previous runs.
 	>"$GIT_TEST_TEE_OUTPUT_FILE"
 
-	(GIT_TEST_TEE_STARTED=done ${TEST_SHELL_PATH} "$0" "$@" 2>&1;
+	(GIT_TEST_TEE_STARTED=done ${TEST_SHELL_PATH} "$ARGZERO" "$@" 2>&1;
 	 echo $? >"$TEST_RESULTS_BASE.exit") | tee -a "$GIT_TEST_TEE_OUTPUT_FILE"
 	test "$(cat "$TEST_RESULTS_BASE.exit")" = 0
 	exit
@@ -467,7 +475,7 @@ then
 	then
 		: Executed by a Bash version supporting BASH_XTRACEFD.  Good.
 	else
-		echo >&2 "warning: ignoring -x; '$0' is untraceable without BASH_XTRACEFD"
+		echo >&2 "warning: ignoring -x; '$ARGZERO' is untraceable without BASH_XTRACEFD"
 		trace=
 	fi
 fi
@@ -1595,7 +1603,7 @@ fi
 
 if test "${GIT_TEST_CHAIN_LINT:-1}" != 0
 then
-	"$PERL_PATH" "$TEST_DIRECTORY/chainlint.pl" "$0" ||
+	"$PERL_PATH" "$TEST_DIRECTORY/chainlint.pl" "$ARGZERO" ||
 		BUG "lint error (see '?!...!? annotations above)"
 fi
 
@@ -1637,7 +1645,7 @@ fi
 # in subprocesses like git equals our $PWD (for pathname comparisons).
 cd -P "$TRASH_DIRECTORY" || BAIL_OUT "cannot cd -P to \"$TRASH_DIRECTORY\""
 
-start_test_output "$0"
+start_test_output "$ARGZERO"
 
 # Convenience
 # A regexp to match 5 and 35 hexdigits
-- 
2.39.2.13.g1fb56cf030