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diff --git a/doc/development/gotchas.md b/doc/development/gotchas.md index f7b44e74c17..1044b7edcb8 100644 --- a/doc/development/gotchas.md +++ b/doc/development/gotchas.md @@ -3,6 +3,21 @@ The purpose of this guide is to document potential "gotchas" that contributors might encounter or should avoid during development of GitLab CE and EE. +## Do not read files from app/assets directory + +Since GitLab 10.8, Omnibus has [dropped the `app/assets` directory](https://gitlab.com/gitlab-org/omnibus-gitlab/-/merge_requests/2456), +after asset compilation. The `ee/app/assets`, `vendor/assets` directories are dropped as well. + +This means that reading files from that directory will fail in Omnibus-installed GitLab instances: + +```ruby +file = Rails.root.join('app/assets/images/logo.svg') + +# This file does not exist, read will fail with: +# Errno::ENOENT: No such file or directory @ rb_sysopen +File.read(file) +``` + ## Do not assert against the absolute value of a sequence-generated attribute Consider the following factory: |