fix rename when SPIFFS_COMPAT is enabled; previously it wasn't attemp…

…ting to create dst folder(s) and wasn't attempting to delete empty src folder(s)

example/sdkconfig.defaults

@@ -1,2 +1,12 @@
 CONFIG_PARTITION_TABLE_CUSTOM=y
 CONFIG_PARTITION_TABLE_CUSTOM_FILENAME="partitions_demo_esp_littlefs.csv"
+
+#
+# Serial flasher config
+#
+CONFIG_ESPTOOLPY_BAUD_921600B=y
+CONFIG_ESPTOOLPY_COMPRESSED=y
+CONFIG_ESPTOOLPY_MONITOR_BAUD_CONSOLE=y
+
+# BOOTLOADER
+CONFIG_BOOTLOADER_LOG_LEVEL_WARN=y

src/esp_littlefs.c

@@ -1415,15 +1415,28 @@ static int vfs_littlefs_rename(void* ctx, const char *src, const char *dst) {
         return -1;
     }
 
+#if CONFIG_LITTLEFS_SPIFFS_COMPAT
+    /* Create all parent directories to dst (if necessary) */
+    ESP_LOGV(TAG, "LITTLEFS_SPIFFS_COMPAT attempting to create all directories for %s", src);
+    mkdirs(efs, dst);
+#endif
+
     res = lfs_rename(efs->fs, src, dst);
-    sem_give(efs);
     if (res < 0) {
         errno = lfs_errno_remap(res);
+        sem_give(efs);
         ESP_LOGV(TAG, "Failed to rename \"%s\" -> \"%s\". Error %s (%d)",
                 src, dst, esp_littlefs_errno(res), res);
         return -1;
     }
 
+#if CONFIG_LITTLEFS_SPIFFS_COMPAT
+    /* Attempt to delete all parent directories from src that are empty */
+    rmdirs(efs, src);
+#endif  // CONFIG_LITTLEFS_SPIFFS_COMPAT
+
+    sem_give(efs);
+
     return 0;
 }