1 files changed, 55 insertions, 0 deletions
diff --git a/testcase/ninja_shell_no_rerun.sh b/testcase/ninja_shell_no_rerun.sh
new file mode 100644
index 0000000..3b5fd7a
--- /dev/null
+++ b/testcase/ninja_shell_no_rerun.sh
@@ -0,0 +1,55 @@
+#!/bin/sh
+#
+# Copyright 2023 Google Inc. All rights reserved
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http:#www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+set -eu
+
+log=stderr_log
+mk="$@"
+
+echo foo > a.txt
+
+if echo "${mk}" | grep -q kati; then
+  cat <<EOF > Makefile
+RESULT := \$(KATI_shell_no_rerun cat a.txt)
+all:
+	echo \$(RESULT)
+EOF
+else
+  cat <<EOF > Makefile
+RESULT := \$(shell cat a.txt)
+all:
+	echo \$(RESULT)
+EOF
+fi
+
+${mk} 2> ${log}
+if [ -e ninja.sh ]; then
+  ./ninja.sh
+fi
+
+# Only change the file for kati so that make matches kati's broken output of printing foo 2 times.
+# ("broken" because the user forgot to add a.txt to $(KATI_extra_file_deps))
+if echo "${mk}" | grep -q kati; then
+echo bar > a.txt
+fi
+
+${mk} 2> ${log}
+if [ -e ninja.sh ]; then
+  if grep -q regenerating ${log}; then
+    echo 'Should not be regenerated'
+  fi
+  ./ninja.sh
+fi