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Diffstat (limited to 'fsmonitor-settings.c')
-rw-r--r--fsmonitor-settings.c171
1 files changed, 151 insertions, 20 deletions
diff --git a/fsmonitor-settings.c b/fsmonitor-settings.c
index 757d230..464424a 100644
--- a/fsmonitor-settings.c
+++ b/fsmonitor-settings.c
@@ -9,23 +9,52 @@
*/
struct fsmonitor_settings {
enum fsmonitor_mode mode;
+ enum fsmonitor_reason reason;
char *hook_path;
};
-static void lookup_fsmonitor_settings(struct repository *r)
+static enum fsmonitor_reason check_for_incompatible(struct repository *r)
+{
+ if (!r->worktree) {
+ /*
+ * Bare repositories don't have a working directory and
+ * therefore have nothing to watch.
+ */
+ return FSMONITOR_REASON_BARE;
+ }
+
+#ifdef HAVE_FSMONITOR_OS_SETTINGS
+ {
+ enum fsmonitor_reason reason;
+
+ reason = fsm_os__incompatible(r);
+ if (reason != FSMONITOR_REASON_OK)
+ return reason;
+ }
+#endif
+
+ return FSMONITOR_REASON_OK;
+}
+
+static struct fsmonitor_settings *alloc_settings(void)
{
struct fsmonitor_settings *s;
+
+ CALLOC_ARRAY(s, 1);
+ s->mode = FSMONITOR_MODE_DISABLED;
+ s->reason = FSMONITOR_REASON_UNTESTED;
+
+ return s;
+}
+
+static void lookup_fsmonitor_settings(struct repository *r)
+{
const char *const_str;
int bool_value;
if (r->settings.fsmonitor)
return;
- CALLOC_ARRAY(s, 1);
- s->mode = FSMONITOR_MODE_DISABLED;
-
- r->settings.fsmonitor = s;
-
/*
* Overload the existing "core.fsmonitor" config setting (which
* has historically been either unset or a hook pathname) to
@@ -38,6 +67,8 @@ static void lookup_fsmonitor_settings(struct repository *r)
case 0: /* config value was set to <bool> */
if (bool_value)
fsm_settings__set_ipc(r);
+ else
+ fsm_settings__set_disabled(r);
return;
case 1: /* config value was unset */
@@ -53,18 +84,18 @@ static void lookup_fsmonitor_settings(struct repository *r)
return;
}
- if (!const_str || !*const_str)
- return;
-
- fsm_settings__set_hook(r, const_str);
+ if (const_str && *const_str)
+ fsm_settings__set_hook(r, const_str);
+ else
+ fsm_settings__set_disabled(r);
}
enum fsmonitor_mode fsm_settings__get_mode(struct repository *r)
{
if (!r)
r = the_repository;
-
- lookup_fsmonitor_settings(r);
+ if (!r->settings.fsmonitor)
+ lookup_fsmonitor_settings(r);
return r->settings.fsmonitor->mode;
}
@@ -73,31 +104,55 @@ const char *fsm_settings__get_hook_path(struct repository *r)
{
if (!r)
r = the_repository;
-
- lookup_fsmonitor_settings(r);
+ if (!r->settings.fsmonitor)
+ lookup_fsmonitor_settings(r);
return r->settings.fsmonitor->hook_path;
}
void fsm_settings__set_ipc(struct repository *r)
{
+ enum fsmonitor_reason reason = check_for_incompatible(r);
+
+ if (reason != FSMONITOR_REASON_OK) {
+ fsm_settings__set_incompatible(r, reason);
+ return;
+ }
+
+ /*
+ * Caller requested IPC explicitly, so avoid (possibly
+ * recursive) config lookup.
+ */
if (!r)
r = the_repository;
-
- lookup_fsmonitor_settings(r);
+ if (!r->settings.fsmonitor)
+ r->settings.fsmonitor = alloc_settings();
r->settings.fsmonitor->mode = FSMONITOR_MODE_IPC;
+ r->settings.fsmonitor->reason = reason;
FREE_AND_NULL(r->settings.fsmonitor->hook_path);
}
void fsm_settings__set_hook(struct repository *r, const char *path)
{
+ enum fsmonitor_reason reason = check_for_incompatible(r);
+
+ if (reason != FSMONITOR_REASON_OK) {
+ fsm_settings__set_incompatible(r, reason);
+ return;
+ }
+
+ /*
+ * Caller requested hook explicitly, so avoid (possibly
+ * recursive) config lookup.
+ */
if (!r)
r = the_repository;
-
- lookup_fsmonitor_settings(r);
+ if (!r->settings.fsmonitor)
+ r->settings.fsmonitor = alloc_settings();
r->settings.fsmonitor->mode = FSMONITOR_MODE_HOOK;
+ r->settings.fsmonitor->reason = reason;
FREE_AND_NULL(r->settings.fsmonitor->hook_path);
r->settings.fsmonitor->hook_path = strdup(path);
}
@@ -106,9 +161,85 @@ void fsm_settings__set_disabled(struct repository *r)
{
if (!r)
r = the_repository;
-
- lookup_fsmonitor_settings(r);
+ if (!r->settings.fsmonitor)
+ r->settings.fsmonitor = alloc_settings();
r->settings.fsmonitor->mode = FSMONITOR_MODE_DISABLED;
+ r->settings.fsmonitor->reason = FSMONITOR_REASON_OK;
FREE_AND_NULL(r->settings.fsmonitor->hook_path);
}
+
+void fsm_settings__set_incompatible(struct repository *r,
+ enum fsmonitor_reason reason)
+{
+ if (!r)
+ r = the_repository;
+ if (!r->settings.fsmonitor)
+ r->settings.fsmonitor = alloc_settings();
+
+ r->settings.fsmonitor->mode = FSMONITOR_MODE_INCOMPATIBLE;
+ r->settings.fsmonitor->reason = reason;
+ FREE_AND_NULL(r->settings.fsmonitor->hook_path);
+}
+
+enum fsmonitor_reason fsm_settings__get_reason(struct repository *r)
+{
+ if (!r)
+ r = the_repository;
+ if (!r->settings.fsmonitor)
+ lookup_fsmonitor_settings(r);
+
+ return r->settings.fsmonitor->reason;
+}
+
+char *fsm_settings__get_incompatible_msg(const struct repository *r,
+ enum fsmonitor_reason reason)
+{
+ struct strbuf msg = STRBUF_INIT;
+
+ switch (reason) {
+ case FSMONITOR_REASON_UNTESTED:
+ case FSMONITOR_REASON_OK:
+ goto done;
+
+ case FSMONITOR_REASON_BARE: {
+ char *cwd = xgetcwd();
+
+ strbuf_addf(&msg,
+ _("bare repository '%s' is incompatible with fsmonitor"),
+ cwd);
+ free(cwd);
+ goto done;
+ }
+
+ case FSMONITOR_REASON_ERROR:
+ strbuf_addf(&msg,
+ _("repository '%s' is incompatible with fsmonitor due to errors"),
+ r->worktree);
+ goto done;
+
+ case FSMONITOR_REASON_REMOTE:
+ strbuf_addf(&msg,
+ _("remote repository '%s' is incompatible with fsmonitor"),
+ r->worktree);
+ goto done;
+
+ case FSMONITOR_REASON_VFS4GIT:
+ strbuf_addf(&msg,
+ _("virtual repository '%s' is incompatible with fsmonitor"),
+ r->worktree);
+ goto done;
+
+ case FSMONITOR_REASON_NOSOCKETS:
+ strbuf_addf(&msg,
+ _("repository '%s' is incompatible with fsmonitor due to lack of Unix sockets"),
+ r->worktree);
+ goto done;
+ }
+
+ BUG("Unhandled case in fsm_settings__get_incompatible_msg: '%d'",
+ reason);
+
+done:
+ return strbuf_detach(&msg, NULL);
+}