Do not reload buffer if it could not be watched

Previously it tried to reload the buffer even though it could not
be watched.

2 files changed, 5 insertions, 8 deletions

diff --git a/src/dged/reactor-epoll.c b/src/dged/reactor-epoll.c
index ead0296..4c83b49 100644
--- a/src/dged/reactor-epoll.c
+++ b/src/dged/reactor-epoll.c
@@ -84,13 +84,7 @@ uint32_t reactor_watch_file(struct reactor *reactor, const char *path,
   // TODO: change if we get more event types
   mask = IN_CLOSE_WRITE;
 
-  int fd = inotify_add_watch(reactor->inotify_fd, path, mask);
-  if (fd == -1) {
-    minibuffer_echo_timeout(4, "failed to watch %s: %s", path, strerror(errno));
-    return 0;
-  }
-
-  return (uint32_t)fd;
+  return (uint32_t)inotify_add_watch(reactor->inotify_fd, path, mask);
 }
 
 void reactor_unwatch_file(struct reactor *reactor, uint32_t id) {
diff --git a/src/main/main.c b/src/main/main.c
index ee954f9..8e3e862 100644
--- a/src/main/main.c
+++ b/src/main/main.c
@@ -125,7 +125,10 @@ void update_file_watches(struct reactor *reactor) {
       message("re-watching: %s", w->buffer->filename);
       w->watch_id =
           reactor_watch_file(reactor, w->buffer->filename, FileWritten);
-      reload_buffer(w->buffer);
+
+      if (w->watch_id != INVALID_WATCH) {
+        reload_buffer(w->buffer);
+      }
     }
   }
 }