Provided by: stgit_0.17.1-1_all 

NAME
stg-prev - Print the name of the previous patch
SYNOPSIS
stg prev
DESCRIPTION
Print the name of the previous patch.
OPTIONS
-b BRANCH, --branch BRANCH
Use BRANCH instead of the default branch.
STGIT
Part of the StGit suite - see stg(1)
StGit 03/27/2014 STG-PREV(1)