diff -Nru dracut-037.orig/modules.d/99squash-live/apply-live-updates.sh dracut-037/modules.d/99squash-live/apply-live-updates.sh --- dracut-037.orig/modules.d/99squash-live/apply-live-updates.sh 1970-01-01 01:00:00.000000000 +0100 +++ dracut-037/modules.d/99squash-live/apply-live-updates.sh 2014-04-16 17:01:00.492528268 +0200 @@ -0,0 +1,17 @@ +#!/bin/sh + +if [ -d /updates ]; then + info "Applying updates to live image..." + mount -o bind /run $NEWROOT/run + # avoid overwriting symlinks (e.g. /lib -> /usr/lib) with directories + ( + cd /updates + find . -depth -type d | while read dir; do + mkdir -p "$NEWROOT/$dir" + done + find . -depth \! -type d | while read file; do + cp -a "$file" "$NEWROOT/$file" + done + ) + umount $NEWROOT/run +fi diff -Nru dracut-037.orig/modules.d/99squash-live/module-setup.sh dracut-037/modules.d/99squash-live/module-setup.sh --- dracut-037.orig/modules.d/99squash-live/module-setup.sh 1970-01-01 01:00:00.000000000 +0100 +++ dracut-037/modules.d/99squash-live/module-setup.sh 2014-04-16 17:15:26.401669184 +0200 @@ -0,0 +1,31 @@ +#!/bin/bash +# -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*- +# ex: ts=8 sw=4 sts=4 et filetype=sh + +check() { + # a live host-only image doesn't really make a lot of sense + [[ $hostonly ]] && return 1 + return 0 +} + +depends() { + return 0 +} + +installkernel() { + instmods squashfs loop overlayfs ehci-hcd ohci-hcd uhci-hcd xhci-hcd usb_storage iso9660 +} + +install() { + dracut_install umount dmsetup blkid dd losetup grep blockdev + dracut_install -o checkisomd5 + inst_hook cmdline 30 "$moddir/parse-squash-live.sh" + inst_hook pre-udev 30 "$moddir/squash-live-genrules.sh" + inst_hook pre-udev 30 "$moddir/squash-liveiso-genrules.sh" + inst_hook pre-pivot 20 "$moddir/apply-live-updates.sh" + inst_script "$moddir/squash-live-root.sh" "/sbin/squash-live-root" + # should probably just be generally included + inst_rules 60-cdrom_id.rules + # fix required since systemd-udev 212 because udev now mounts in its own namespace + sed -i "s/MountFlags=.*/MountFlags=shared/" ${initdir}/lib/systemd/system/systemd-udevd.service +} diff -Nru dracut-037.orig/modules.d/99squash-live/parse-squash-live.sh dracut-037/modules.d/99squash-live/parse-squash-live.sh --- dracut-037.orig/modules.d/99squash-live/parse-squash-live.sh 1970-01-01 01:00:00.000000000 +0100 +++ dracut-037/modules.d/99squash-live/parse-squash-live.sh 2014-04-16 17:01:00.492528268 +0200 @@ -0,0 +1,50 @@ +#!/bin/sh +# -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*- +# ex: ts=8 sw=4 sts=4 et filetype=sh +# live images are specified with +# root=live:backingdev + +[ -z "$root" ] && root=$(getarg root=) + +# support legacy syntax of passing liveimg and then just the base root +if getargbool 0 rd.live.image -d -y liveimg; then + liveroot="live:$root" +fi + +if [ "${root%%:*}" = "live" ] ; then + liveroot=$root +fi + +[ "${liveroot%%:*}" = "live" ] || return + +modprobe -q loop + +case "$liveroot" in + live:LABEL=*|LABEL=*) \ + root="${root#live:}" + root="$(echo $root | sed 's,/,\\x2f,g')" + root="live:/dev/disk/by-label/${root#LABEL=}" + rootok=1 ;; + live:CDLABEL=*|CDLABEL=*) \ + root="${root#live:}" + root="$(echo $root | sed 's,/,\\x2f,g')" + root="live:/dev/disk/by-label/${root#CDLABEL=}" + rootok=1 ;; + live:UUID=*|UUID=*) \ + root="${root#live:}" + root="live:/dev/disk/by-uuid/${root#UUID=}" + rootok=1 ;; + live:/*.[Ii][Ss][Oo]|/*.[Ii][Ss][Oo]) + root="${root#live:}" + root="liveiso:${root}" + rootok=1 ;; + live:/dev/*) + rootok=1 ;; + live:/*.[Ii][Mm][Gg]|/*.[Ii][Mm][Gg]) + [ -f "${root#live:}" ] && rootok=1 ;; +esac +info "root was $liveroot, is now $root" + +# make sure that init doesn't complain +[ -z "$root" ] && root="live" + diff -Nru dracut-037.orig/modules.d/99squash-live/squash-live-genrules.sh dracut-037/modules.d/99squash-live/squash-live-genrules.sh --- dracut-037.orig/modules.d/99squash-live/squash-live-genrules.sh 1970-01-01 01:00:00.000000000 +0100 +++ dracut-037/modules.d/99squash-live/squash-live-genrules.sh 2014-04-16 17:01:00.492528268 +0200 @@ -0,0 +1,16 @@ +#!/bin/sh +if [ "${root%%:*}" = "live" ]; then + { + printf 'KERNEL=="%s", SYMLINK+="live"\n' \ + ${root#live:/dev/} + printf 'SYMLINK=="%s", SYMLINK+="live"\n' \ + ${root#live:/dev/} + } >> /etc/udev/rules.d/99-live-mount.rules + { + printf 'KERNEL=="%s", RUN+="/sbin/initqueue --settled --onetime --unique /sbin/squash-live-root $env{DEVNAME}"\n' \ + ${root#live:/dev/} + printf 'SYMLINK=="%s", RUN+="/sbin/initqueue --settled --onetime --unique /sbin/squash-live-root $env{DEVNAME}"\n' \ + ${root#live:/dev/} + } >> /etc/udev/rules.d/99-live-squash.rules + echo '[ -e /dev/root ]' > $hookdir/initqueue/finished/squash.sh +fi diff -Nru dracut-037.orig/modules.d/99squash-live/squash-liveiso-genrules.sh dracut-037/modules.d/99squash-live/squash-liveiso-genrules.sh --- dracut-037.orig/modules.d/99squash-live/squash-liveiso-genrules.sh 1970-01-01 01:00:00.000000000 +0100 +++ dracut-037/modules.d/99squash-live/squash-liveiso-genrules.sh 2014-04-16 17:01:00.492528268 +0200 @@ -0,0 +1,14 @@ +#!/bin/sh +# -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*- +# ex: ts=8 sw=4 sts=4 et filetype=sh +if [ "${root%%:*}" = "liveiso" ]; then + DEVLABEL=${root#liveiso:/} + DEVLABEL=${DEVLABEL%%/*} + { + printf 'ENV{ID_FS_LABEL}=="%s", RUN+="/bin/mkdir /%s", RUN+="/bin/mount /dev/%%k /%s", RUN+="/sbin/initqueue --settled --onetime --unique /sbin/squash-live-root `/sbin/losetup -f --show %s` /%s"\n' \ + ${DEVLABEL} ${DEVLABEL} ${DEVLABEL} ${root#liveiso:} ${DEVLABEL} +# printf 'KERNEL=="loop-control", RUN+="/sbin/initqueue --settled --onetime --unique /sbin/squash-live-root `/sbin/losetup -f --show %s` /%s"\n' \ +# ${root#liveiso:} ${DEVLABEL} + } >> /etc/udev/rules.d/99-liveiso-mount.rules + echo '[ -e /dev/root ]' > $hookdir/initqueue/finished/squash.sh +fi diff -Nru dracut-037.orig/modules.d/99squash-live/squash-live-root.sh dracut-037/modules.d/99squash-live/squash-live-root.sh --- dracut-037.orig/modules.d/99squash-live/squash-live-root.sh 1970-01-01 01:00:00.000000000 +0100 +++ dracut-037/modules.d/99squash-live/squash-live-root.sh 2014-04-16 17:01:00.492528268 +0200 @@ -0,0 +1,107 @@ +#!/bin/sh +# -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*- +# ex: ts=8 sw=4 sts=4 et filetype=sh + +type getarg >/dev/null 2>&1 || . /lib/dracut-lib.sh + +PATH=/usr/sbin:/usr/bin:/sbin:/bin + +if getargbool 0 rd.live.debug -n -y rdlivedebug; then + exec > /tmp/liveroot.$$.out + exec 2>> /tmp/liveroot.$$.out + set -x +fi + +[ -z "$1" ] && { warn "Missing livedvd from command line."; action_on_fail "Could not boot."; } +livedev="$1" + +# With e.g. root=live:/openmamba_live/openmamba-live.iso DEVLABEL is /openmamba_live +DEVLABEL="$2" + +# parse various live image specific options that make sense to be +# specified as their own things +live_dir=$(getarg rd.live.dir -d live_dir) +[ -z "$live_dir" ] && live_dir="LiveOS" +getargbool 0 rd.live.ram -d -y live_ram && live_ram="yes" +getargbool 0 rd.live.overlay.reset -d -y reset_overlay && reset_overlay="yes" +getargbool 0 rd.live.overlay.readonly -d -y readonly_overlay && readonly_overlay="--readonly" || readonly_overlay="" +overlay=$(getarg rd.live.overlay -d overlay) + +# FIXME: we need to be able to hide the plymouth splash for the check really +[ -b $livedev ] && fs=$(blkid -s TYPE -o value $livedev) +if [ "$fs" = "iso9660" -o "$fs" = "udf" ]; then + check="yes" +fi +getarg rd.live.check -d check || check="" +if [ -n "$check" ]; then + [ -x /bin/plymouth ] && /bin/plymouth --hide-splash + checkisomd5 --verbose $livedev + if [ $? -ne 0 ]; then + warn "CD check failed!" + action_on_fail "Could not boot." + fi + [ -x /bin/plymouth ] && /bin/plymouth --show-splash +fi + +ln -s $livedev /run/initramfs/livedev + +getarg ro && liverw=ro +getarg rw && liverw=rw +[ -z "$liverw" ] && liverw=ro + +# FIXME: loop to wait for partition to become available +c=0 +while [ ! -e $livedev -a $c -lt 10 ]; do + echo "Device $livedev not ready; sleeping 1 second" + sleep 1 + c=$(($c+1)) +done + +# mount the backing of the live image first +mkdir /cdrom +mount -n -t $fstype -o $liverw $livedev /cdrom +RES=$? +if [ "$RES" != "0" ]; then + warn "Failed to mount block device of live image" + action_on_fail "Could not boot." +fi + +if [ -e /cdrom/${live_dir}/squashfs.img ]; then + SQUASHED="/cdrom/${live_dir}/squashfs.img" +fi + +if [ -e "$SQUASHED" ] ; then + echo "Mounting compressed filesystem" + losetup -r /dev/loop1 $SQUASHED + mkdir -p /squashfs + mount -r -t squashfs /dev/loop1 /squashfs + + if [ ! "${DEVLABEL}" -o "$live_ram" = "yes" ]; then + echo "Creating ramdisk (dinamic size=${RAMSIZE}k) using /dev/shm..." + mkdir -p /ramfs + mount -t tmpfs tmpfs /ramfs -o mode=755 + echo "Mounting overlayfs using ramdisk" + mount -t overlayfs -o lowerdir=/squashfs,upperdir=/ramfs overlayfs ${NEWROOT} + mkdir -p ${NEWROOT}/ramfs + mount -n -o bind /ramfs ${NEWROOT}/ramfs + else + echo "Mounting overlayfs using /${DEVLABEL}/rwroot" + mkdir -p /${DEVLABEL}/rwroot + mount -t overlayfs -o lowerdir=/squashfs,upperdir=/${DEVLABEL}/rwroot overlayfs ${NEWROOT} + mkdir -p ${NEWROOT}/flash + mount -n -o bind /${DEVLABEL} ${NEWROOT}/flash + fi + mkdir -p ${NEWROOT}/squashfs ${NEWROOT}/cdrom + mount -n -o bind /cdrom ${NEWROOT}/cdrom + mount -n -o bind /squashfs ${NEWROOT}/squashfs +fi + +ROOTFLAGS="$(getarg rootflags)" +if [ -n "$ROOTFLAGS" ]; then + ROOTFLAGS="-o $ROOTFLAGS" +fi + +ln -s /dev/shm /dev/root +printf '# already mounted' > $hookdir/mount/01-$$-live.sh + +exit 0