#!/bin/sh
set -e

# stg-swallow - completely merge an unapplied patch into current one

# Copyright (c) 2006-2007 Yann Dirson <ydirson@altern.org>
# Subject to the GNU GPL, version 2.

# FIXME:
# - should provide support for conflict solving ?

[ "$#" = 1 ] || { echo >&2 "Usage: $(basename $0) <patch>"; exit 1; }
patch="$1"

stg pick --fold "$patch"
stg refresh
stg push "$patch"

#stg clean "$patch"
#stg pop; stg clean -u
[ $(stg id "$patch//top") != $(stg id "$patch//bottom") ] ||
    { echo >&2 "Assertion failed: patch '$patch' is not empty after swallowing, not deleting it."; exit 1; }    
stg delete "$patch"