fsmonitor: check for compatability before communicating with fsmonitor

If fsmonitor is not in a compatible state, warn with an appropriate message.

Signed-off-by: Eric DeCosta <edecosta@mathworks.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Eric DeCosta 2022-10-04 17:32:30 +00:00 committed by Junio C Hamano
parent 12fd27df79
commit 25c2cab08f
3 changed files with 15 additions and 4 deletions

View File

@ -1,6 +1,7 @@
#include "cache.h"
#include "config.h"
#include "repository.h"
#include "fsmonitor-ipc.h"
#include "fsmonitor-settings.h"
#include "fsmonitor-path-utils.h"
@ -242,10 +243,11 @@ enum fsmonitor_reason fsm_settings__get_reason(struct repository *r)
return r->settings.fsmonitor->reason;
}
char *fsm_settings__get_incompatible_msg(const struct repository *r,
char *fsm_settings__get_incompatible_msg(struct repository *r,
enum fsmonitor_reason reason)
{
struct strbuf msg = STRBUF_INIT;
const char *socket_dir;
switch (reason) {
case FSMONITOR_REASON_UNTESTED:
@ -281,9 +283,11 @@ char *fsm_settings__get_incompatible_msg(const struct repository *r,
goto done;
case FSMONITOR_REASON_NOSOCKETS:
socket_dir = dirname((char *)fsmonitor_ipc__get_path(r));
strbuf_addf(&msg,
_("repository '%s' is incompatible with fsmonitor due to lack of Unix sockets"),
r->worktree);
_("socket directory '%s' is incompatible with fsmonitor due"
" to lack of Unix sockets support"),
socket_dir);
goto done;
}

View File

@ -33,7 +33,7 @@ enum fsmonitor_mode fsm_settings__get_mode(struct repository *r);
const char *fsm_settings__get_hook_path(struct repository *r);
enum fsmonitor_reason fsm_settings__get_reason(struct repository *r);
char *fsm_settings__get_incompatible_msg(const struct repository *r,
char *fsm_settings__get_incompatible_msg(struct repository *r,
enum fsmonitor_reason reason);
struct fsmonitor_settings;

View File

@ -295,6 +295,7 @@ static int fsmonitor_force_update_threshold = 100;
void refresh_fsmonitor(struct index_state *istate)
{
static int warn_once = 0;
struct strbuf query_result = STRBUF_INIT;
int query_success = 0, hook_version = -1;
size_t bol = 0; /* beginning of line */
@ -305,6 +306,12 @@ void refresh_fsmonitor(struct index_state *istate)
int is_trivial = 0;
struct repository *r = istate->repo ? istate->repo : the_repository;
enum fsmonitor_mode fsm_mode = fsm_settings__get_mode(r);
enum fsmonitor_reason reason = fsm_settings__get_reason(r);
if (!warn_once && reason > FSMONITOR_REASON_OK) {
warn_once = 1;
warning("%s", fsm_settings__get_incompatible_msg(r, reason));
}
if (fsm_mode <= FSMONITOR_MODE_DISABLED ||
istate->fsmonitor_has_run_once)