Cleaned up some things, added option parse to some scripts.

1 files changed, 26 insertions, 13 deletions

diff --git a/librechroot b/librechroot
index ec437de..b308b7d 100755
--- a/librechroot
+++ b/librechroot
@@ -23,6 +23,19 @@
 
 source /etc/libretools.conf
 
+function usage {
+    echo "Usage: $0 chrootname"
+    echo "Change to a chroot in $CHROOTDIR. Use it as root."
+    echo
+    echo "Default chroot name: $CHCOPY"
+}
+
+while getopts 'h' arg; do
+    case $arg in
+	h) usage; exit 0 ;;
+    esac
+done
+
 [[ "$UID" != "0" ]] && {
     error "This script must be run as root."
     exit 1
@@ -32,28 +45,28 @@ custom_config=${XDG_CONFIG_HOME}/libretools/libretools.conf
 [[ -e ${custom_config} ]] && source ${custom_config}
 
 # Enter the chroot copy by default
-root=${1:-$CHCOPY}
+chrootname=${1:-$CHCOPY}
 CACHEDIR=${CACHEDIR:-/var/cache/pacman/pkg}
 
-[[ ! -d ${CHROOTDIR}/${root} ]] && {
-    error "${CHROOTDIR}/$root is not a dir."
+[[ ! -d ${CHROOTDIR}/${chrootname} ]] && {
+    error "${CHROOTDIR}/${chrootname} is not a dir."
     exit 1
 }
 
-mount -t proc proc ${CHROOTDIR}/${root}/proc/
-mount -t sysfs sys ${CHROOTDIR}/${root}/sys/
-mount -o bind /dev ${CHROOTDIR}/${root}/dev/
+mount -t proc proc ${CHROOTDIR}/${chrootname}/proc/
+mount -t sysfs sys ${CHROOTDIR}/${chrootname}/sys/
+mount -o bind /dev ${CHROOTDIR}/${chrootname}/dev/
 
 # Share pacman cache
-mount -o bind ${CACHEDIR} ${CHROOTDIR}/${root}/var/cache/pacman/pkg
+mount -o bind ${CACHEDIR} ${CHROOTDIR}/${chrootname}/var/cache/pacman/pkg
 
-cp -L /etc/resolv.conf ${CHROOTDIR}/${root}/etc/resolv.conf
+cp -L /etc/resolv.conf ${CHROOTDIR}/${chrootname}/etc/resolv.conf
 
-chroot ${CHROOTDIR}/${root} /bin/bash
+chroot ${CHROOTDIR}/${chrootname} /bin/bash
 
-umount ${CHROOTDIR}/${root}/proc/
-umount ${CHROOTDIR}/${root}/sys/
-umount ${CHROOTDIR}/${root}/dev/
-umount ${CHROOTDIR}/${root}/var/cache/pacman/pkg
+umount ${CHROOTDIR}/${chrootname}/proc/
+umount ${CHROOTDIR}/${chrootname}/sys/
+umount ${CHROOTDIR}/${chrootname}/dev/
+umount ${CHROOTDIR}/${chrootname}/var/cache/pacman/pkg
 
 exit 0