Fix rkati not using find emulator when checking stamp file

It was not recording shells as find emulator commands when writing
the stamp file. This was causing extraneous reanalysis because
the find emulator results that were ran the first time differ
from running the find command as a regular shell command, which
happened the second time.

Author: Colecf

src-rs/func.rs

@@ -667,7 +667,11 @@ fn shell_func(args: &[Arc<Value>], ev: &mut Evaluator, out: &mut dyn BufMut) ->
     out.put_slice(&output);
     if should_store_command_result(&cmd) {
         COMMAND_RESULTS.lock().push(CommandResult {
-            op: CommandOp::Shell,
+            op: if fc.is_some() {
+                CommandOp::Find
+            } else {
+                CommandOp::Shell
+            },
             shell,
             shellflag: Bytes::from_static(shellflag),
             cmd,

testcase/ninja_regen_find_with_invalid_globs.sh

@@ -0,0 +1,40 @@
+set -euo pipefail
+
+mk="$@"
+
+# This tests behavior for a bug in the find emulator:
+# The *.xml and .* are not expanded despite not being quoted. So if the find emulator
+# weren't used, the find would fail with invalid arguments. Probably should fix this
+# in the future
+
+mkdir -p bootable/recovery/tools/recovery_l10n/res/values/
+mkdir -p bootable/recovery/tools/recovery_l10n/res/layout/
+touch bootable/recovery/tools/recovery_l10n/res/values/strings.xml
+touch bootable/recovery/tools/recovery_l10n/res/layout/main.xml
+touch .cursorignore
+touch .gemini
+touch .repo
+
+if echo "${mk}" | grep kati > /dev/null; then
+  mk="${mk} --use_find_emulator"
+fi
+
+cat <<EOF > Makefile
+resource_dir := bootable/recovery/tools/recovery_l10n/res/
+resource_dir_deps := \$(sort \$(shell find \$(resource_dir) -name *.xml -not -name .*))
+all: \$(resource_dir_deps)
+	@echo Hello, world!
+EOF
+
+${mk} 2>stderr_log
+if [ -e ninja.sh ]; then
+  ./ninja.sh
+fi
+
+${mk} 2>stderr_log2
+if [ -e ninja.sh ]; then
+  if grep regenerating stderr_log2 > /dev/null; then
+    echo 'Should not regenerate'
+  fi
+  ./ninja.sh
+fi