some improvements

mk_chroot.sh

@@ -11,7 +11,7 @@ openfiles=
 mem=
 
 usage() {
-	cat <<EOF
+  cat <<EOF
 `basename ${0}` [options...] -c chroot_dir -x executable
 
   -c    - chroot directory
@@ -25,25 +25,25 @@ usage() {
   -m    - memory usage
   -h    - show this help
 EOF
-	exit 1
+  exit 1
 }
 
 errx() { echo "${1}">&2;exit 1; }
 
 while getopts hc:x:u:g:dl:o:f:m: arg; do
-	case ${arg} in
-		h) usage ;;
-		c) chr=${OPTARG} ;;
-		x) bin=${OPTARG} ;;
-		u) user=${OPTARG} ;;
-		g) group=${OPTARG} ;;
-		d) devfs=1 ;;
-		l) listen=${OPTARG} ;;
-		o) out=${OPTARG} ;;
-		f) openfiles=${OPTARG} ;;
-		m) mem=${OPTARG} ;;
-		*) errx "use -h for help" ;;
-	esac
+  case ${arg} in
+    h) usage ;;
+    c) chr=${OPTARG} ;;
+    x) bin=${OPTARG} ;;
+    u) user=${OPTARG} ;;
+    g) group=${OPTARG} ;;
+    d) devfs=1 ;;
+    l) listen=${OPTARG} ;;
+    o) out=${OPTARG} ;;
+    f) openfiles=${OPTARG} ;;
+    m) mem=${OPTARG} ;;
+    *) errx "use -h for help" ;;
+  esac
 done
 shift $((${OPTIND}-1))
 
@@ -84,8 +84,8 @@ userinfo ${user} || useradd -L ${user} -g ${user} -d /var/empty -s /sbin/nologin
 
 rsync -aR $(ldd ${bin}|tail -n+4|awk '{print $7}') ${chr}
 
-daemon=$(basename ${bin})
-cat <<EOF> /etc/rc.d/${daemon}
+base=$(basename ${bin})
+cat <<EOF> /etc/rc.d/${base}
 #!/bin/sh
 
 daemon="/usr/bin/env -i /usr/sbin/chroot -u ${user} -g ${group} ${chr}"
@@ -97,8 +97,8 @@ pexp="\${daemon_flags}"
 rc_cmd \$1
 EOF
 
-chmod 0555 /etc/rc.d/${daemon}
+chmod 0555 /etc/rc.d/${base}
 
-rcctl enable ${daemon}
-rcctl set ${daemon} flags "/bin/${daemon}"
-rcctl start ${daemon}
+rcctl enable ${base}
+rcctl set ${base} flags "/bin/${base}"
+rcctl start ${base}