diff options
Diffstat (limited to 'scripts')
| -rwxr-xr-x | scripts/uchroot | 33 | ||||
| -rw-r--r-- | scripts/utils | 1 |
2 files changed, 34 insertions, 0 deletions
diff --git a/scripts/uchroot b/scripts/uchroot new file mode 100755 index 0000000..77f3f10 --- /dev/null +++ b/scripts/uchroot @@ -0,0 +1,33 @@ +#!/bin/sh +set -e +[ $# -ge 1 ] || { + echo "Usage: uchroot ROOT [CMD] [ARG].." >&2 + exit 1 +} + +if [ "$(id -u)" != "0" ]; then + exec uroot "$0" "$@" +fi +############################################################### + +ROOT="$1" +shift +[ -d "$ROOT" ] || { + echo "There is no such directory: $ROOT" >&2 + exit 1 +} +[ -d "$ROOT/proc" -a -d "$ROOT/dev" -a -d "$ROOT/sys" ] || { + echo "Root seems to not contain valid rootfs: $ROOT" >&2 + exit 1 +} + + +mount -t proc none "$ROOT/proc" +mount --rbind /dev "$ROOT/dev" +mount --rbind /sys "$ROOT/sys" +cp -f /etc/resolv.conf "$ROOT/etc/resolv.conf" + +if [ $# -lt 1 ]; then + set "/bin/sh" +fi +exec chroot "$ROOT" "$@" diff --git a/scripts/utils b/scripts/utils index 8781882..103d471 100644 --- a/scripts/utils +++ b/scripts/utils @@ -1,6 +1,7 @@ # vim: ft=sh [ -n "$LAMINAR_COMMON" ] # variables definition guard +V="${V:-0}" if [ "$V" -ge 3 ]; then set -x fi |