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#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
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