Increase the size of `path` in order to allow locks for long paths

db/migrate/20180116193854_create_lfs_file_locks.rb

@@ -6,7 +6,7 @@ class CreateLfsFileLocks < ActiveRecord::Migration
       t.references :project, null: false, foreign_key: { on_delete: :cascade }
       t.references :user, null: false, index: true, foreign_key: { on_delete: :cascade }
       t.datetime :created_at, null: false
-      t.string :path, limit: 65500
+      t.string :path, limit: 511
     end
 
     add_index :lfs_file_locks, [:project_id, :path], unique: true

db/schema.rb

@@ -1306,7 +1306,7 @@ ActiveRecord::Schema.define(version: 20180204200836) do
     t.integer "project_id", null: false
     t.integer "user_id", null: false
     t.datetime "created_at", null: false
-    t.string "path", limit: 65500
+    t.string "path", limit: 511
   end
 
   add_index "lfs_file_locks", ["project_id", "path"], name: "index_lfs_file_locks_on_project_id_and_path", unique: true, using: :btree