--- arch-nspawn.in	2016-05-10 13:48:14.303797115 -0400
+++ arch-nspawn.ugly	2016-05-10 13:48:23.296957958 -0400
@@ -1,4 +1,6 @@
 #!/bin/bash
+# License: GNU GPLv2
+#
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
 # the Free Software Foundation; version 2 of the License.
@@ -14,6 +16,8 @@
 
 working_dir=''
 
+files=()
+
 usage() {
 	echo "Usage: ${0##*/} [options] working-dir [systemd-nspawn arguments]"
 	echo "A wrapper around systemd-nspawn.  Provides support for pacman."
@@ -22,17 +26,21 @@
 	echo '    -C <file>     Location of a pacman config file'
 	echo '    -M <file>     Location of a makepkg config file'
 	echo '    -c <dir>      Set pacman cache'
+	echo '    -f <file>     Copy file from the host to the chroot'
+	echo '    -s            Do not run setarch'
 	echo '    -h            This message'
 	exit 1
 }
 
 orig_argv=("$@")
 
-while getopts 'hC:M:c:' arg; do
+while getopts 'hC:M:c:f:s' arg; do
 	case "$arg" in
 		C) pac_conf="$OPTARG" ;;
 		M) makepkg_conf="$OPTARG" ;;
 		c) cache_dir="$OPTARG" ;;
+		f) files+=("$OPTARG") ;;
+		s) nosetarch=1 ;;
 		h|?) usage ;;
 		*) error "invalid argument '%s'" "$arg"; usage ;;
 	esac
@@ -78,6 +86,12 @@
 	[[ -n $pac_conf ]] && cp $pac_conf "$working_dir/etc/pacman.conf"
 	[[ -n $makepkg_conf ]] && cp $makepkg_conf "$working_dir/etc/makepkg.conf"
 
+	local file
+	for file in "${files[@]}"; do
+		mkdir -p "$(dirname "$working_dir$file")"
+		cp -T "$file" "$working_dir$file"
+	done
+
 	sed -r "s|^#?\\s*CacheDir.+|CacheDir = $(echo -n ${cache_dirs[@]})|g" -i "$working_dir/etc/pacman.conf"
 }
 # }}}
@@ -92,6 +106,7 @@
 fi
 
 build_mount_args
+cache_dirs+=('/repo/')
 copy_hostconf
 
 eval $(grep '^CARCH=' "$working_dir/etc/makepkg.conf")
@@ -99,6 +114,8 @@
 	armv7h) CARCH=armv7l;;
 esac
 
+[[ -z $nosetarch ]] || unset CARCH
+
 exec ${CARCH:+setarch "$CARCH"} systemd-nspawn -q \
 	-D "$working_dir" \
 	--register=no \