freshlybakedca.ke
Git fork
Merge branch 'jc/fake-lstat' into jc/diff-cached-fsmonitor-fix
* jc/fake-lstat:
cache: add fake_lstat()
+8
read-cache-ll.h
+8
read-cache-ll.h
···
436
437
void fill_stat_cache_info(struct index_state *istate, struct cache_entry *ce, struct stat *st);
438
439
+
/*
440
+
* Fill members of st by members of sd enough to convince match_stat()
441
+
* to consider that they match. It should be usable as a replacement
442
+
* for lstat() for a tracked path that is known to be up-to-date via
443
+
* some out-of-line means (like fsmonitor).
444
+
*/
445
+
int fake_lstat(const struct cache_entry *ce, struct stat *st);
446
+
447
#define REFRESH_REALLY (1 << 0) /* ignore_valid */
448
#define REFRESH_UNMERGED (1 << 1) /* allow unmerged */
449
#define REFRESH_QUIET (1 << 2) /* be quiet about it */
+27
read-cache.c
+27
read-cache.c
···
197
}
198
}
199
200
+
static unsigned int st_mode_from_ce(const struct cache_entry *ce)
201
+
{
202
+
extern int trust_executable_bit, has_symlinks;
203
+
204
+
switch (ce->ce_mode & S_IFMT) {
205
+
case S_IFLNK:
206
+
return has_symlinks ? S_IFLNK : (S_IFREG | 0644);
207
+
case S_IFREG:
208
+
return (ce->ce_mode & (trust_executable_bit ? 0755 : 0644)) | S_IFREG;
209
+
case S_IFGITLINK:
210
+
return S_IFDIR | 0755;
211
+
case S_IFDIR:
212
+
return ce->ce_mode;
213
+
default:
214
+
BUG("unsupported ce_mode: %o", ce->ce_mode);
215
+
}
216
+
}
217
+
218
+
int fake_lstat(const struct cache_entry *ce, struct stat *st)
219
+
{
220
+
fake_lstat_data(&ce->ce_stat_data, st);
221
+
st->st_mode = st_mode_from_ce(ce);
222
+
223
+
/* always succeed as lstat() replacement */
224
+
return 0;
225
+
}
226
+
227
static int ce_compare_data(struct index_state *istate,
228
const struct cache_entry *ce,
229
struct stat *st)
+27
statinfo.c
+27
statinfo.c
···
15
sd->sd_size = st->st_size;
16
}
17
18
+
static void set_times(struct stat *st, const struct stat_data *sd)
19
+
{
20
+
st->st_ctime = sd->sd_ctime.sec;
21
+
st->st_mtime = sd->sd_mtime.sec;
22
+
#ifdef NO_NSEC
23
+
; /* nothing */
24
+
#else
25
+
#ifdef USE_ST_TIMESPEC
26
+
st->st_ctimespec.tv_nsec = sd->sd_ctime.nsec;
27
+
st->st_mtimespec.tv_nsec = sd->sd_mtime.nsec;
28
+
#else
29
+
st->st_ctim.tv_nsec = sd->sd_ctime.nsec;
30
+
st->st_mtim.tv_nsec = sd->sd_mtime.nsec;
31
+
#endif
32
+
#endif
33
+
}
34
+
35
+
void fake_lstat_data(const struct stat_data *sd, struct stat *st)
36
+
{
37
+
set_times(st, sd);
38
+
st->st_dev = sd->sd_dev;
39
+
st->st_ino = sd->sd_ino;
40
+
st->st_uid = sd->sd_uid;
41
+
st->st_gid = sd->sd_gid;
42
+
st->st_size = sd->sd_size;
43
+
}
44
+
45
int match_stat_data(const struct stat_data *sd, struct stat *st)
46
{
47
int changed = 0;
+8
statinfo.h
+8
statinfo.h
···
47
void fill_stat_data(struct stat_data *sd, struct stat *st);
48
49
/*
50
+
* The inverse of the above. When we know the cache_entry that
51
+
* contains sd is up-to-date, but still need to pretend we called
52
+
* lstat() to learn that fact, this function fills "st" enough to
53
+
* fool ie_match_stat().
54
+
*/
55
+
void fake_lstat_data(const struct stat_data *sd, struct stat *st);
56
+
57
+
/*
58
* Return 0 if st is consistent with a file not having been changed
59
* since sd was filled. If there are differences, return a
60
* combination of MTIME_CHANGED, CTIME_CHANGED, OWNER_CHANGED,