# License: This file is licensed under the GPL v2+
################################################################################
+# error_handler {{{
+[ -n "$REPORT_TRAP_ERR" ] || REPORT_TRAP_ERR='no'
+[ -n "$FAIL_TRAP_ERR" ] || FAIL_TRAP_ERR='no'
+
+error_handler() {
+ last_exit_code="$?"
+ last_bash_command="$BASH_COMMAND"
+ if [ "$REPORT_TRAP_ERR" = "yes" ]; then
+ echo "Unexpected non-zero exit code $last_exit_code in $BASH_SOURCE at line $BASH_LINENO detected!
+last bash command: $last_bash_command"
+ fi
+ if [ ! "$FAIL_TRAP_ERR" = "yes" ]; then
+ return
+ fi
+ ## Check if "bailout" function is available.
+ ## This is not the case in chroot-script.
+ if command -v bailout >/dev/null 2>&1; then
+ bailout 1
+ else
+ echo 'FAIL_TRAP_ERR is set to "yes", exit 1.'
+ exit 1
+ fi
+}
+
+if [ "$REPORT_TRAP_ERR" = "yes" ] || [ "$FAIL_TRAP_ERR" = "yes" ]; then
+ set -E
+ set -o pipefail
+ trap "error_handler" ERR
+ export -f "error_handler"
+fi
+# }}}
+
# variables {{{
PN="$(basename "$0")"
if [[ -d "$(dirname "$(which "$0")")"/.git ]]; then
# early helper functions {{{
GOOD='\e[32;01m'
BAD='\e[31;01m'
+WARN='\e[33;01m'
NORMAL='\e[0m'
einfo() {
return 0
}
+ewarn() {
+ printf " ${WARN}*${NORMAL} $*\n"
+ return 0
+}
+
eerror() {
[ "${RC_ENDCOL}" != "yes" ] && [ "${LAST_E_CMD}" = "ebegin" ] && echo
printf " ${BAD}*${NORMAL} $*\n" >&2
# ugly, but make sure we really don't leave anything (/proc /proc and
# /dev /dev are intended, trying to work around timing issues, see #657023)
- for ARG in /sys /proc /proc /dev /dev ; do
+ for ARG in /sys /proc /proc /dev/pts /dev/pts /dev /dev ; do
[ -x "$MNTPOINT"/bin/umount ] && chroot "$MNTPOINT" umount $ARG >/dev/null 2>&1
umount "$MNTPOINT"/$ARG >/dev/null 2>&1
done
# make sure we have what we need {{{
if [ -n "$VIRTUAL" ] ; then
- check4progs grub-mkimage kpartx mksh parted qemu-img || bailout 1
+ check4progs kpartx mksh parted qemu-img || bailout 1
fi
# }}}
squeeze Debian/6.0 \
wheezy Debian/7.0 \
jessie Debian/8.0 \
+ stretch Debian/9.0 \
sid Debian/unstable)"
[ $? -eq 0 ] || bailout
}
# Support for generic release codenames is unavailable. {{{
if [ "$RELEASE" = "stable" ] || [ "$RELEASE" = "testing" ] ; then
eerror "Generic release codenames (stable, testing) are unsupported. \
-Please use specific codenames such as lenny, squeeze, wheezy or jessie." ; eend 1
+Please use specific codenames such as lenny, squeeze, wheezy, jessie or stretch." ; eend 1
bailout 1
fi
# }}}
einfo "Adjusting disk signature to a fixed (non-random) value"
MBRTMPFILE=$(mktemp)
dd if="${TARGET}" of="${MBRTMPFILE}" bs=512 count=1
- echo -en "\x41\x41\x41\x41\x41" | dd of="${MBRTMPFILE}" conv=notrunc seek=440 bs=1
+ echo -en "\x41\x41\x41\x41" | dd of="${MBRTMPFILE}" conv=notrunc seek=440 bs=1
dd if="${MBRTMPFILE}" of="${TARGET}" conv=notrunc
eend $?
fi
bailout 1
fi
- einfo "Installing Grub as bootloader."
mount -t proc none "${MNTPOINT}"/proc
mount -t sysfs none "${MNTPOINT}"/sys
mount --bind /dev "${MNTPOINT}"/dev
+ mount --bind /dev/pts "${MNTPOINT}"/dev/pts
+# Has chroot-script installed GRUB to MBR using grub-install (successfully), already?
+# chroot-script skips installation for unset ${GRUB}
+if [[ -z "${GRUB}" ]] || ! dd if="${GRUB}" bs=512 count=1 2>/dev/null | cat -v | fgrep -q GRUB; then
+ einfo "Installing Grub as bootloader."
mkdir -p "${MNTPOINT}/boot/grub"
if ! [ -d "${MNTPOINT}"/usr/lib/grub/i386-pc/ ] ; then
eerror "Error: grub not installed inside Virtual Machine. Can not install bootloader." ; eend 1
chroot "${MNTPOINT}" grub-mkimage -O i386-pc -p "(hd0,msdos1)/boot/grub" -o /tmp/core.img biosdisk part_msdos ext2
dd if="${MNTPOINT}/tmp/core.img" of="${ORIG_TARGET}" conv=notrunc seek=4
rm -f "${MNTPOINT}/tmp/core.img"
+fi
einfo "Updating grub configuration file."
if [ -n "$BOOT_APPEND" ] ; then
umount "${MNTPOINT}"/proc
umount "${MNTPOINT}"/sys
- umount "${MNTPOINT}"/dev
+ umount "${MNTPOINT}"/dev/pts
+ try_umount 3 "${MNTPOINT}"/dev
umount "${MNTPOINT}"
kpartx -d "${ORIG_TARGET}" >/dev/null
}
else
einfo "Executing chroot-script now"
mount --bind /dev "$MNTPOINT"/dev
+ mount --bind /dev/pts "$MNTPOINT"/dev/pts
if [ "$DEBUG" = "true" ] ; then
- chroot "$MNTPOINT" /bin/sh -x /bin/chroot-script ; RC=$?
+ chroot "$MNTPOINT" /bin/bash -x /bin/chroot-script ; RC=$?
else
chroot "$MNTPOINT" /bin/chroot-script ; RC=$?
fi
+ try_umount 3 "$MNTPOINT"/dev/pts
try_umount 3 "$MNTPOINT"/dev
eend $RC
fi