[FL-2510] Fixed BT startup while backing up LFS (#1180)

* Waiting for dummy BT record on LFS ops; cleaner retry for backup file open
* Fixed files not being closed on failed open

applications/updater/util/update_task_worker_backup.c

@@ -29,7 +29,8 @@ static bool update_task_pre_update(UpdateTask* update_task) {
 
     update_task->state.total_stages = 1;
     update_task_set_progress(update_task, UpdateTaskStageLfsBackup, 0);
-    furi_hal_rtc_set_boot_mode(FuriHalRtcBootModeNormal); // to avoid bootloops
+    /* to avoid bootloops */
+    furi_hal_rtc_set_boot_mode(FuriHalRtcBootModeNormal);
     if((success = lfs_backup_create(update_task->storage, string_get_cstr(backup_file_path)))) {
         furi_hal_rtc_set_boot_mode(FuriHalRtcBootModeUpdate);
     }
@@ -61,7 +62,7 @@ static bool update_task_post_update(UpdateTask* update_task) {
     string_t file_path;
     string_init(file_path);
 
-    // status text is too long, too few stages to bother with a counter
+    /* status text is too long, too few stages to bother with a counter */
     update_task->state.total_stages = 0;
 
     do {
@@ -70,9 +71,6 @@ static bool update_task_post_update(UpdateTask* update_task) {
             string_get_cstr(update_task->update_path), LFS_BACKUP_DEFAULT_FILENAME, file_path);
 
         bool unpack_resources = !string_empty_p(update_task->manifest->resource_bundle);
-        if(unpack_resources) {
-            update_task->state.total_stages++;
-        }
 
         update_task_set_progress(update_task, UpdateTaskStageLfsRestore, 0);
         furi_hal_rtc_set_boot_mode(FuriHalRtcBootModeNormal);
@@ -117,7 +115,7 @@ int32_t update_task_worker_backup_restore(void* context) {
 
     FuriHalRtcBootMode boot_mode = furi_hal_rtc_get_boot_mode();
     if((boot_mode != FuriHalRtcBootModePreUpdate) && (boot_mode != FuriHalRtcBootModePostUpdate)) {
-        // no idea how we got here. Clear to normal boot
+        /* no idea how we got here. Clear to normal boot */
         furi_hal_rtc_set_boot_mode(FuriHalRtcBootModeNormal);
         return UPDATE_TASK_NOERR;
     }
@@ -128,12 +126,17 @@ int32_t update_task_worker_backup_restore(void* context) {
         return UPDATE_TASK_FAILED;
     }
 
+    /* Waiting for BT service to 'start', so we don't race for boot mode */
+    furi_record_open("bt");
+
     if(boot_mode == FuriHalRtcBootModePreUpdate) {
         success = update_task_pre_update(update_task);
     } else if(boot_mode == FuriHalRtcBootModePostUpdate) {
         success = update_task_post_update(update_task);
     }
 
+    furi_record_close("bt");
+
     if(success) {
         update_task_set_progress(update_task, UpdateTaskStageCompleted, 100);
     } else {
@@ -141,4 +144,4 @@ int32_t update_task_worker_backup_restore(void* context) {
     }
 
     return success ? UPDATE_TASK_NOERR : UPDATE_TASK_FAILED;
-}
+}

lib/toolbox/tar/tar_archive.c

@@ -206,12 +206,14 @@ static int archive_extract_foreach_cb(mtar_t* tar, const mtar_header_t* header,
     bool failed = false;
     uint8_t n_tries = FILE_OPEN_NTRIES;
     do {
-        while(
-            (n_tries-- > 0) &&
-            !storage_file_open(out_file, string_get_cstr(fname), FSAM_WRITE, FSOM_CREATE_ALWAYS)) {
+        while(n_tries-- > 0) {
+            if(storage_file_open(
+                   out_file, string_get_cstr(fname), FSAM_WRITE, FSOM_CREATE_ALWAYS)) {
+                break;
+            }
             FURI_LOG_W(TAG, "Failed to open '%s', reties: %d", string_get_cstr(fname), n_tries);
+            storage_file_close(out_file);
             osDelay(FILE_OPEN_RETRY_DELAY);
-            continue;
         }
 
         if(!storage_file_is_open(out_file)) {
@@ -257,11 +259,13 @@ bool tar_archive_add_file(
     File* src_file = storage_file_alloc(archive->storage);
     uint8_t n_tries = FILE_OPEN_NTRIES;
     do {
-        while((n_tries-- > 0) &&
-              !storage_file_open(src_file, fs_file_path, FSAM_READ, FSOM_OPEN_EXISTING)) {
+        while(n_tries-- > 0) {
+            if(storage_file_open(src_file, fs_file_path, FSAM_READ, FSOM_OPEN_EXISTING)) {
+                break;
+            }
             FURI_LOG_W(TAG, "Failed to open '%s', reties: %d", fs_file_path, n_tries);
+            storage_file_close(src_file);
             osDelay(FILE_OPEN_RETRY_DELAY);
-            continue;
         }
 
         if(!storage_file_is_open(src_file) ||
@@ -341,4 +345,4 @@ bool tar_archive_add_dir(TarArchive* archive, const char* fs_full_path, const ch
     free(name);
     storage_file_free(directory);
     return success;
-}
+}