diff <(grep 'def ' swh/storage/in_memory.py  | grep -v 'def _' | sed -e 's/(.*//' | sort) <(grep 'def ' swh/storage/storage.py  | grep -v 'def _' | sed -e 's/(.*//' | sort)
0a1
>         def add_to_objstorage
3a5
>     def content_get
6a9,12
>     def content_update
>     def diff_directories
>     def diff_revision
>     def diff_revisions
10a17,20
>     def fetch_history_end
>     def fetch_history_get
>     def fetch_history_start
>     def get_db
14d23
< def now
25a35
>     def person_get
34a45
>     def skipped_content_missing