#!/bin/sh -efu

. gear-sh-functions

show_usage() {
	cat <<-EOF
	Usage: $PROG [hasher options --] [$PROG options --] [<user>@]<hostname> <workdir> <package>
	EOF
	exit
}

outdir='out'
clean=
verbose=
hsh_args=

while [ $# -gt 0 ]; do
	case "$1" in
		-v|--verbose) verbose=-v
			;;
		--) shift; break
			;;
	esac
	hsh_args="$hsh_args $(quote_shell_arg "$1")"
	shift
done

TEMP=`getopt -n $PROG -o o,v -l cleanup-repo,outdir:,verbose -- "$@"` ||
	show_usage
eval set -- "$TEMP"
while :; do
	case "$1" in
		--cleanup-repo) clean=1
			;;
		-o|--outdir) shift
			outdir="$(readlink -ev "$1")"
			;;
		-v|--verbose) verbose=-v
			;;
		--) shift; break
			;;
		*) fatal "Unrecognized option: $1"
			;;
	esac
	shift
done

[ "$#" -eq 3 ] ||
	show_usage

server="$1"; shift
workdir="$1"; shift
pkg="$(readlink -ev "$1")"; shift
pkgname="${pkg##*/}"

rsync $verbose -rtlp "$pkg" "$server:$workdir/"

ssh "$server" "cat >'$workdir/build'; sh -efu -- '$workdir/build'" <<EOF
cd '$workdir'
mkdir $verbose -p -- out/bin out/src
rc=0
hsh $verbose $hsh_args \
  --repo-bin='$workdir/out/bin' \
  --repo-src='$workdir/out/src' \
  -- '$workdir' '$workdir/$pkgname' ||
  rc=\$?
[ -z "$clean" ] || hsh $verbose --cleanup -- '$workdir'
rm $verbose -f -- '$workdir/$pkgname' '$workdir/build'
exit \$rc
EOF

rsync $verbose -rtlp "$server:$workdir/out/" "$outdir/"
ssh -n "$server" "rm $verbose -rf -- '$workdir/out'"