mirror of
https://github.com/git/git.git
synced 2024-11-18 22:23:55 +01:00
0ec9949f78
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>
94 lines
2.9 KiB
C
94 lines
2.9 KiB
C
#ifndef FSMONITOR_H
|
|
#define FSMONITOR_H
|
|
|
|
#include "cache.h"
|
|
#include "dir.h"
|
|
|
|
extern struct trace_key trace_fsmonitor;
|
|
|
|
/*
|
|
* Read the fsmonitor index extension and (if configured) restore the
|
|
* CE_FSMONITOR_VALID state.
|
|
*/
|
|
int read_fsmonitor_extension(struct index_state *istate, const void *data, unsigned long sz);
|
|
|
|
/*
|
|
* Fill the fsmonitor_dirty ewah bits with their state from the index,
|
|
* before it is split during writing.
|
|
*/
|
|
void fill_fsmonitor_bitmap(struct index_state *istate);
|
|
|
|
/*
|
|
* Write the CE_FSMONITOR_VALID state into the fsmonitor index
|
|
* extension. Reads from the fsmonitor_dirty ewah in the index.
|
|
*/
|
|
void write_fsmonitor_extension(struct strbuf *sb, struct index_state *istate);
|
|
|
|
/*
|
|
* Add/remove the fsmonitor index extension
|
|
*/
|
|
void add_fsmonitor(struct index_state *istate);
|
|
void remove_fsmonitor(struct index_state *istate);
|
|
|
|
/*
|
|
* Add/remove the fsmonitor index extension as necessary based on the current
|
|
* core.fsmonitor setting.
|
|
*/
|
|
void tweak_fsmonitor(struct index_state *istate);
|
|
|
|
/*
|
|
* Run the configured fsmonitor integration script and clear the
|
|
* CE_FSMONITOR_VALID bit for any files returned as dirty. Also invalidate
|
|
* any corresponding untracked cache directory structures. Optimized to only
|
|
* run the first time it is called.
|
|
*/
|
|
void refresh_fsmonitor(struct index_state *istate);
|
|
|
|
/*
|
|
* Does the received result contain the "trivial" response?
|
|
*/
|
|
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.
|
|
*/
|
|
static inline void mark_fsmonitor_valid(struct index_state *istate, struct cache_entry *ce)
|
|
{
|
|
if (core_fsmonitor && !(ce->ce_flags & CE_FSMONITOR_VALID)) {
|
|
istate->cache_changed = 1;
|
|
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)
|
|
{
|
|
if (core_fsmonitor) {
|
|
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
|