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authorNicolás Reynolds <apoyosis@correo.inta.gob.ar>2011-03-10 16:04:03 -0300
committerNicolás Reynolds <apoyosis@correo.inta.gob.ar>2011-03-10 16:04:03 -0300
commitdc5b8c08f6eb61139ef859e192856a0ea3a2c279 (patch)
treefb7a0bf3d976ca899356174bb3ac3c9145f006c9
parent0f3c3b4fcaac15db0df82679fd81518bee4e2ea2 (diff)
LibreChRoot enters a build chroot
-rwxr-xr-xlibrechroot48
1 files changed, 26 insertions, 22 deletions
diff --git a/librechroot b/librechroot
index 63bf9b4..99adcc0 100755
--- a/librechroot
+++ b/librechroot
@@ -1,4 +1,7 @@
#!/bin/bash
+# LibreChRoot
+# Enters a chroot
+
# Copyright 2010 Nicolás Reynolds
# ---------- GNU General Public License 3 ----------
@@ -18,37 +21,38 @@
# You should have received a copy of the GNU General Public License
# along with Parabola. If not, see <http://www.gnu.org/licenses/>.
-[[ -z "${1}" ]] && {
- echo "This scripts enters into the build chroot."
- echo "Usage: $0 <chroot name>"
- echo "Example: \`$0 root\` enters the 'root' chroot"
+[[ "$UID" != "0" ]] && {
+ echo "This script must be run as root."
exit 1
}
-[[ $UID -ne 0 ]] && {
- echo "This script must be run as root"
- exit 2
-}
-
source /etc/libretools.conf
-custom_config=$XDG_CONFIG_HOME/libretools/libretools.conf
-[[ -e $custom_config ]] && source $custom_config
+custom_config=${XDG_CONFIG_HOME}/libretools/libretools.conf
+[[ -e ${custom_config} ]] && source ${custom_config}
-[[ ! -d $CHROOTDIR/$1/ ]] && {
- echo "There's no $CHROOTDIR/$1"
- exit 3
+# Enter the chroot copy by default
+root=${1:-$CHCOPY}
+CACHEDIR=${CACHEDIR:-/var/cache/pacman/pkg}
+
+[[ ! -d ${CHROOTDIR}/${root} ]] && {
+ echo "${CHROOTDIR}/$root is not a dir."
+ exit 1
}
-mount -t proc proc $CHROOTDIR/$1/proc/
-mount -t sysfs sys $CHROOTDIR/$1/sys/
-mount -o bind /dev $CHROOTDIR/$1/dev/
+mount -t proc proc ${CHROOTDIR}/${root}/proc/
+mount -t sysfs sys ${CHROOTDIR}/${root}/sys/
+mount -o bind /dev ${CHROOTDIR}/${root}/dev/
+
+# Share pacman cache
+mount -o bind ${CACHEDIR} ${CHROOTDIR}/${root}/var/cache/pacman/pkg
-cp -L /etc/resolv.conf $CHROOTDIR/$1/etc/resolv.conf >/dev/null 2>&1
+cp -L /etc/resolv.conf ${CHROOTDIR}/${root}/etc/resolv.conf
-chroot $CHROOTDIR/$1 /bin/bash
+chroot ${CHROOTDIR}/${root} /bin/bash
-umount $CHROOTDIR/$1/proc/
-umount $CHROOTDIR/$1/sys/
-umount $CHROOTDIR/$1/dev/
+umount ${CHROOTDIR}/${root}/proc/
+umount ${CHROOTDIR}/${root}/sys/
+umount ${CHROOTDIR}/${root}/dev/
+umount ${CHROOTDIR}/${root}/var/cache/pacman/pkg
exit 0