#!/bin/bash

LOG_FILE="../merge.log"
build_host="sprygo"
build_dir="/scratch/sfr/next"
build_cmd="bin/build_next"

no_build=false
[ "$1" = "-n" ] && {
	shift
	no_build=true
}
patch="$1"
[ -f "$patch" ] || {
	echo "patch does not exist" 1>&2
	exit 1
}
[ -n "$2" ] && build_host="$2"

log()
{
	echo "$@" | tee -a $LOG_FILE
}

execute()
{
	log "$" $@
	$@ 2>&1 | tee -a $LOG_FILE
	return ${PIPESTATUS[0]}
}

execute git am -3 "$patch" || {
	echo "git am failed" 1>&2
	bash -i || exit
}
GIT_EDITOR=: execute git reset 'HEAD^' || {
	echo "git reset failed" 1>&2
	bash -i || exit
}
GIT_EDITOR=: execute git commit -v -a --amend || {
	echo "git commit failed" 1>&2
	bash -i || exit
}

$no_build && exit 0

rsync -avH --exclude .git --delete . "$build_host":"$build_dir"/. || {
	echo Rsync failed 1>&2
	bash -i || exit
}

echo "Building using $build_cmd on $build_host"
ssh "$build_host" "$build_cmd" || {
	echo Build failed 1>&2
	bash -i || exit
}

exit 0