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fsmonitor: refactor refresh callback for non-directory events

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Move the code that handles unqualified FSEvents (without a trailing
slash) into a helper function.

Signed-off-by: Jeff Hostetler <jeffhostetler@github.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Jeff Hostetler 2024-02-26 21:39:16 +00:00 committed by Junio C Hamano
parent 7a15a62aeb
commit 8687c2b067
1 changed files with 39 additions and 28 deletions
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67
fsmonitor.c
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@ -183,6 +183,43 @@ static int query_fsmonitor_hook(struct repository *r,
return result;
}
static void handle_path_without_trailing_slash(
struct index_state *istate, const char *name, int pos)
{
int i;
if (pos >= 0) {
/*
* We have an exact match for this path and can just
* invalidate it.
*/
istate->cache[pos]->ce_flags &= ~CE_FSMONITOR_VALID;
} else {
/*
* The path is not a tracked file -or- it is a
* directory event on a platform that cannot
* distinguish between file and directory events in
* the event handler, such as Windows.
*
* Scan as if it is a directory and invalidate the
* cone under it. (But remember to ignore items
* between "name" and "name/", such as "name-" and
* "name.".
*/
int len = strlen(name);
pos = -pos - 1;
for (i = pos; i < istate->cache_nr; i++) {
if (!starts_with(istate->cache[i]->name, name))
break;
if ((unsigned char)istate->cache[i]->name[len] > '/')
break;
if (istate->cache[i]->name[len] == '/')
istate->cache[i]->ce_flags &= ~CE_FSMONITOR_VALID;
}
}
}
/*
* The daemon can decorate directory events, such as a move or rename,
* by adding a trailing slash to the observed name. Use this to
@ -225,7 +262,7 @@ static void handle_path_with_trailing_slash(
static void fsmonitor_refresh_callback(struct index_state *istate, char *name)
{
int i, len = strlen(name);
int len = strlen(name);
int pos = index_name_pos(istate, name, len);
trace_printf_key(&trace_fsmonitor,
@ -240,34 +277,8 @@ static void fsmonitor_refresh_callback(struct index_state *istate, char *name)
* for the untracked cache.
*/
name[len - 1] = '\0';
} else if (pos >= 0) {
/*
* We have an exact match for this path and can just
* invalidate it.
*/
istate->cache[pos]->ce_flags &= ~CE_FSMONITOR_VALID;
} else {
/*
* The path is not a tracked file -or- it is a
* directory event on a platform that cannot
* distinguish between file and directory events in
* the event handler, such as Windows.
*
* Scan as if it is a directory and invalidate the
* cone under it. (But remember to ignore items
* between "name" and "name/", such as "name-" and
* "name.".
*/
pos = -pos - 1;
for (i = pos; i < istate->cache_nr; i++) {
if (!starts_with(istate->cache[i]->name, name))
break;
if ((unsigned char)istate->cache[i]->name[len] > '/')
break;
if (istate->cache[i]->name[len] == '/')
istate->cache[i]->ce_flags &= ~CE_FSMONITOR_VALID;
}
handle_path_without_trailing_slash(istate, name, pos);
}
/*