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Adding proper code comments about vol_id removal.
[live-boot-grml.git]
/
scripts
/
live-helpers
diff --git
a/scripts/live-helpers
b/scripts/live-helpers
index
0d97d10
..
6777f99
100644
(file)
--- a/
scripts/live-helpers
+++ b/
scripts/live-helpers
@@
-76,7
+76,15
@@
is_supported_fs ()
get_fstype ()
{
get_fstype ()
{
- /lib/udev/vol_id -t ${1} 2>/dev/null
+ # udev (>= 146) no longer provides vol_id
+ if [ -x /lib/udev/vol_id ]
+ then
+ # lenny
+ /lib/udev/vol_id -t ${1} 2>/dev/null
+ else
+ # squeeze
+ /sbin/blkid -s TYPE -o value $1 2>/dev/null
+ fi
}
where_is_mounted ()
}
where_is_mounted ()
@@
-181,14
+189,7
@@
setup_loop ()
modprobe -q -b "${module}"
modprobe -q -b "${module}"
- if [ -x /sbin/udevadm ]
- then
- # lenny
- udevadm settle
- else
- # etch
- udevsettle
- fi
+ udevadm settle
for loopdev in ${pattern}
do
for loopdev in ${pattern}
do
@@
-277,7
+278,8
@@
try_mount ()
then
fstype=$(get_fstype "${dev}")
fi
then
fstype=$(get_fstype "${dev}")
fi
- mount -t "${fstype}" -o "${opts}" "${dev}" "${mountp}" || panic "Cannot mount ${dev} on ${mountp}, fstype=${fstype}, options=${opts}"
+ mount -t "${fstype}" -o "${opts}" "${dev}" "${mountp}" || \
+ ( echo "SKIPPING: Cannot mount ${dev} on ${mountp}, fstype=${fstype}, options=${opts}" > live.log && return 0 )
fi
}
fi
}
@@
-339,10
+341,22
@@
find_cow_device ()
done
fi
done
fi
- if [ "$(/lib/udev/vol_id -l ${devname} 2>/dev/null)" = "${pers_label}" ]
+ # udev (>= 146) no longer provides vol_id
+ if [ -x /lib/udev/vol_id ]
then
then
- echo "${devname}"
- return 0
+ # lenny
+ if [ "$(/lib/udev/vol_id -l ${devname} 2>/dev/null)" = "${pers_label}" ]
+ then
+ echo "${devname}"
+ return 0
+ fi
+ else
+ # squeeze
+ if [ "$(/sbin/blkid -s LABEL -o value $devname 2>/dev/null)" = "${pers_label}" ]
+ then
+ echo "${devname}"
+ return 0
+ fi
fi
if [ "${PERSISTENT}" = "nofiles" ]
fi
if [ "${PERSISTENT}" = "nofiles" ]
@@
-355,17
+369,15
@@
find_cow_device ()
case "$(get_fstype ${devname})" in
vfat|ext2|ext3|ext4|jffs2)
mkdir -p "${cow_backing}"
case "$(get_fstype ${devname})" in
vfat|ext2|ext3|ext4|jffs2)
mkdir -p "${cow_backing}"
- if
!
try_mount "${devname}" "${cow_backing}" "rw"
+ if try_mount "${devname}" "${cow_backing}" "rw"
then
then
- break
- fi
-
- if [ -f "${pers_fpath}" ]
- then
- echo $(setup_loop "${pers_fpath}" "loop" "/sys/block/loop*")
- return 0
- else
- umount ${cow_backing}
+ if [ -f "${pers_fpath}" ]
+ then
+ echo $(setup_loop "${pers_fpath}" "loop" "/sys/block/loop*")
+ return 0
+ else
+ umount ${cow_backing} > /dev/null 2>&1 || true
+ fi
fi
;;
*)
fi
;;
*)