Adding upstream version 1:2.43.0.upstream/1%2.43.0

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 71 insertions, 0 deletions

diff --git a/fsmonitor.h b/fsmonitor.h
new file mode 100644
index 0000000..5195a86
--- /dev/null
+++ b/fsmonitor.h
@@ -0,0 +1,71 @@
+#ifndef FSMONITOR_H
+#define FSMONITOR_H
+
+#include "fsmonitor-ll.h"
+#include "dir.h"
+#include "fsmonitor-settings.h"
+#include "object.h"
+#include "read-cache-ll.h"
+#include "trace.h"
+
+/*
+ * 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)
+{
+	enum fsmonitor_mode fsm_mode = fsm_settings__get_mode(istate->repo);
+
+	return fsm_mode <= FSMONITOR_MODE_DISABLED ||
+		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.
+ *
+ * However, never mark submodules as valid.  When commands like "git
+ * status" run they might need to recurse into the submodule (using a
+ * child process) to get a summary of the submodule state.  We don't
+ * have (and don't want to create) the facility to translate every
+ * FS event that we receive and that happens to be deep inside of a
+ * submodule back to the submodule root, so we cannot correctly keep
+ * track of this bit on the gitlink directory.  Therefore, we never
+ * set it on submodules.
+ */
+static inline void mark_fsmonitor_valid(struct index_state *istate, struct cache_entry *ce)
+{
+	enum fsmonitor_mode fsm_mode = fsm_settings__get_mode(istate->repo);
+
+	if (fsm_mode > FSMONITOR_MODE_DISABLED &&
+	    !(ce->ce_flags & CE_FSMONITOR_VALID)) {
+		if (S_ISGITLINK(ce->ce_mode))
+			return;
+		istate->cache_changed |= FSMONITOR_CHANGED;
+		ce->ce_flags |= CE_FSMONITOR_VALID;
+		trace_printf_key(&trace_fsmonitor, "mark_fsmonitor_clean '%s'", ce->name);
+	}
+}
+
+/*
+ * Clear the given cache entry's CE_FSMONITOR_VALID bit and invalidate
+ * any corresponding untracked cache directory structures. This should
+ * be called any time git creates or modifies a file that should
+ * trigger an lstat() or invalidate the untracked cache for the
+ * corresponding directory
+ */
+static inline void mark_fsmonitor_invalid(struct index_state *istate, struct cache_entry *ce)
+{
+	enum fsmonitor_mode fsm_mode = fsm_settings__get_mode(istate->repo);
+
+	if (fsm_mode > FSMONITOR_MODE_DISABLED) {
+		ce->ce_flags &= ~CE_FSMONITOR_VALID;
+		untracked_cache_invalidate_path(istate, ce->name, 1);
+		trace_printf_key(&trace_fsmonitor, "mark_fsmonitor_invalid '%s'", ce->name);
+	}
+}
+
+#endif