fsmonitor: add assertion that fsmonitor is valid to check_removed
Validate that fsmonitor is valid to futureproof against bugs where
check_removed might be called from places that haven't refreshed.
Signed-off-by: Nipunn Koorapati <nipunn@dropbox.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
diff --git a/fsmonitor.h b/fsmonitor.h
index 7f1794b..f20d726 100644
--- a/fsmonitor.h
+++ b/fsmonitor.h
@@ -50,6 +50,17 @@ void refresh_fsmonitor(struct index_state *istate);
int fsmonitor_is_trivial_response(const struct strbuf *query_result);
/*
+ * Check if refresh_fsmonitor has been called at least once.
+ * refresh_fsmonitor is idempotent. Returns true if fsmonitor is
+ * not enabled (since the state will be "fresh" w/ CE_FSMONITOR_VALID unset)
+ * This version is useful for assertions
+ */
+static inline int is_fsmonitor_refreshed(const struct index_state *istate)
+{
+ return !core_fsmonitor || istate->fsmonitor_has_run_once;
+}
+
+/*
* Set the given cache entries CE_FSMONITOR_VALID bit. This should be
* called any time the cache entry has been updated to reflect the
* current state of the file on disk.
