Provided by: stgit_0.17.1-1_all 
NAME
stg-clean - Delete the empty patches in the series
SYNOPSIS
stg clean
DESCRIPTION
Delete the empty patches in the whole series or only those applied or unapplied. A patch is considered
empty if the two commit objects representing its boundaries refer to the same tree object.
OPTIONS
-a, --applied
Delete the empty applied patches.
-u, --unapplied
Delete the empty unapplied patches.
STGIT
Part of the StGit suite - see stg(1)