1 files changed, 78 insertions, 0 deletions
diff --git a/t/t0061-run-command.sh b/t/t0061-run-command.sh
index 12228b4aa6..24c92b6cd7 100755
--- a/t/t0061-run-command.sh
+++ b/t/t0061-run-command.sh
@@ -26,6 +26,47 @@ test_expect_success 'run_command can run a command' '
 	test_cmp empty err
 '
 
+test_expect_success !MINGW 'run_command can run a script without a #! line' '
+	cat >hello <<-\EOF &&
+	cat hello-script
+	EOF
+	chmod +x hello &&
+	test-run-command run-command ./hello >actual 2>err &&
+
+	test_cmp hello-script actual &&
+	test_cmp empty err
+'
+
+test_expect_success 'run_command does not try to execute a directory' '
+	test_when_finished "rm -rf bin1 bin2" &&
+	mkdir -p bin1/greet bin2 &&
+	write_script bin2/greet <<-\EOF &&
+	cat bin2/greet
+	EOF
+
+	PATH=$PWD/bin1:$PWD/bin2:$PATH \
+		test-run-command run-command greet >actual 2>err &&
+	test_cmp bin2/greet actual &&
+	test_cmp empty err
+'
+
+test_expect_success POSIXPERM 'run_command passes over non-executable file' '
+	test_when_finished "rm -rf bin1 bin2" &&
+	mkdir -p bin1 bin2 &&
+	write_script bin1/greet <<-\EOF &&
+	cat bin1/greet
+	EOF
+	chmod -x bin1/greet &&
+	write_script bin2/greet <<-\EOF &&
+	cat bin2/greet
+	EOF
+
+	PATH=$PWD/bin1:$PWD/bin2:$PATH \
+		test-run-command run-command greet >actual 2>err &&
+	test_cmp bin2/greet actual &&
+	test_cmp empty err
+'
+
 test_expect_success POSIXPERM 'run_command reports EACCES' '
 	cat hello-script >hello.sh &&
 	chmod -x hello.sh &&
@@ -100,4 +141,41 @@ test_expect_success 'run_command outputs ' '
 	test_cmp expect actual
 '
 
+test_trace () {
+	expect="$1"
+	shift
+	GIT_TRACE=1 test-run-command "$@" run-command true 2>&1 >/dev/null | \
+		sed 's/.* run_command: //' >actual &&
+	echo "$expect true" >expect &&
+	test_cmp expect actual
+}
+
+test_expect_success 'GIT_TRACE with environment variables' '
+	test_trace "abc=1 def=2" env abc=1 env def=2 &&
+	test_trace "abc=2" env abc env abc=1 env abc=2 &&
+	test_trace "abc=2" env abc env abc=2 &&
+	(
+		abc=1 && export abc &&
+		test_trace "def=1" env abc=1 env def=1
+	) &&
+	(
+		abc=1 && export abc &&
+		test_trace "def=1" env abc env abc=1 env def=1
+	) &&
+	test_trace "def=1" env non-exist env def=1 &&
+	test_trace "abc=2" env abc=1 env abc env abc=2 &&
+	(
+		abc=1 def=2 && export abc def &&
+		test_trace "unset abc def;" env abc env def
+	) &&
+	(
+		abc=1 def=2 && export abc def &&
+		test_trace "unset def; abc=3" env abc env def env abc=3
+	) &&
+	(
+		abc=1 && export abc &&
+		test_trace "unset abc;" env abc=2 env abc
+	)
+'
+
 test_done