Merge branch 'jt/cache-tree-avoid-lazy-fetch-during-merge'
[git/git.git] / fsmonitor.h
1 #ifndef FSMONITOR_H
2 #define FSMONITOR_H
3
4 #include "cache.h"
5 #include "dir.h"
6
7 extern struct trace_key trace_fsmonitor;
8
9 /*
10 * Read the fsmonitor index extension and (if configured) restore the
11 * CE_FSMONITOR_VALID state.
12 */
13 int read_fsmonitor_extension(struct index_state *istate, const void *data, unsigned long sz);
14
15 /*
16 * Fill the fsmonitor_dirty ewah bits with their state from the index,
17 * before it is split during writing.
18 */
19 void fill_fsmonitor_bitmap(struct index_state *istate);
20
21 /*
22 * Write the CE_FSMONITOR_VALID state into the fsmonitor index
23 * extension. Reads from the fsmonitor_dirty ewah in the index.
24 */
25 void write_fsmonitor_extension(struct strbuf *sb, struct index_state *istate);
26
27 /*
28 * Add/remove the fsmonitor index extension
29 */
30 void add_fsmonitor(struct index_state *istate);
31 void remove_fsmonitor(struct index_state *istate);
32
33 /*
34 * Add/remove the fsmonitor index extension as necessary based on the current
35 * core.fsmonitor setting.
36 */
37 void tweak_fsmonitor(struct index_state *istate);
38
39 /*
40 * Run the configured fsmonitor integration script and clear the
41 * CE_FSMONITOR_VALID bit for any files returned as dirty. Also invalidate
42 * any corresponding untracked cache directory structures. Optimized to only
43 * run the first time it is called.
44 */
45 void refresh_fsmonitor(struct index_state *istate);
46
47 /*
48 * Set the given cache entries CE_FSMONITOR_VALID bit. This should be
49 * called any time the cache entry has been updated to reflect the
50 * current state of the file on disk.
51 */
52 static inline void mark_fsmonitor_valid(struct index_state *istate, struct cache_entry *ce)
53 {
54 if (core_fsmonitor && !(ce->ce_flags & CE_FSMONITOR_VALID)) {
55 istate->cache_changed = 1;
56 ce->ce_flags |= CE_FSMONITOR_VALID;
57 trace_printf_key(&trace_fsmonitor, "mark_fsmonitor_clean '%s'", ce->name);
58 }
59 }
60
61 /*
62 * Clear the given cache entry's CE_FSMONITOR_VALID bit and invalidate
63 * any corresponding untracked cache directory structures. This should
64 * be called any time git creates or modifies a file that should
65 * trigger an lstat() or invalidate the untracked cache for the
66 * corresponding directory
67 */
68 static inline void mark_fsmonitor_invalid(struct index_state *istate, struct cache_entry *ce)
69 {
70 if (core_fsmonitor) {
71 ce->ce_flags &= ~CE_FSMONITOR_VALID;
72 untracked_cache_invalidate_path(istate, ce->name, 1);
73 trace_printf_key(&trace_fsmonitor, "mark_fsmonitor_invalid '%s'", ce->name);
74 }
75 }
76
77 #endif