- # Adding other custom mounts
- if [ -n "${PERSISTENT}" ] && [ -z "${NOPERSISTENT}" ]
- then
- bindings="/${persistence_list}"
- touch ${bindings}
- for device in ${overlay_devices}
- do
- if [ ! -b "${device}" ]
- then
- continue
- fi
- backing="/$(basename ${device})-backing"
- mkdir -p "${backing}"
- device_fstype="$(get_fstype ${device})"
- if [ -z "${PERSISTENT_READONLY}" ]
- then
- device_mount_opts="rw,noatime"
- else
- device_mount_opts="ro,noatime"
- fi
- device_used=""
- mount -t "${device_fstype}" -o "${device_mount_opts}" "${device}" "${backing}"
- include_list="${backing}/${persistence_list}"
- if [ ! -r "${include_list}" ]
- then
- umount "${backing}"
- rmdir "${backing}"
- continue
- fi
-
- # FIXME: debug stuff, remove me?
- [ "${DEBUG}" = "Yes" ] && cat ${include_list} >> ${rootmnt}/${bindings}-origs
- while read source dest
- do
- if echo ${source} | grep -qe "^[[:space:]]*#"
- then
- # skipping commented line
- continue
- fi
- if [ -z "${dest}" ]
- then
- dest="${source}"
- fi
- if echo ${dest} | grep -qe "^/\+$\|^/\+live\(/.*\)\?$"
- then
- # mounting on / or /live could cause trouble
- log_warning_msg "Skipping unsafe custom mount on ${dest}"
- continue
- fi
-
- # FIXME: handle case: we already have /a/b in $bindings, but now we find /a -- /a should replace /a/b in $bindings.
- # FIXME: handle case: we have /a in $bindings, now we find /a/b, so we skip /a/b
-
- # ensure that no multiple-/ occur in paths
- full_source="$(echo ${backing}/${source}/ | sed -e 's|/\+|/|g')"
- full_dest="$(echo ${rootmnt}/${dest}/ | sed -e 's|/\+|/|g')"
- device_used="yes"
- echo "${full_source} ${full_dest}" >> ${bindings}
- done < ${include_list}
-
- if [ -z "${device_used}" ]
- then
- # this device was not used for / earlier, or custom mount point now, so it's useless
- umount "${backing}"
- rmdir "${backing}"
- fi
- done
-
- # we sort the list according to destination so we're sure that we won't hide a previous mount. we also ignore duplicate destinations in a more or less arbitrary way
- sort -k2 -sbu ${bindings} -o ${bindings}
-
- # FIXME: debug stuff, remove me?
- [ "${DEBUG}" = "Yes" ] && cp ${bindings} ${rootmnt}/${bindings}-results
-
- while read source dest
- do
- if mountpoint -q "${dest}";
- then
- log_warning_msg "Skipping custom mount ${source} on ${dest}: destination is already a mount point"
- continue
- fi
-
- # FIXME: we don't handle already existing non-directory files in the paths of both $source and $dest.
-
- if [ ! -d "${dest}" ]
- then
- # if ${dest} is in /home/$user, try fixing proper ownership
- # FIXME: this should really be handled by live-config since we don't know for sure which uid a certain user has until then
- if echo ${dest} | grep -qe "^${rootmnt}/*home/\+[^/]\+"
- then
- path="/"
- for dir in $(echo ${dest} | sed -e 's|/\+| |g')
- do
- path=${path}/${dir}
- if [ ! -e ${path} ]
- then
- mkdir -p ${path}
- # assume that the intended user is the first, which is usually the case
- chown 1000:1000 ${path}
- fi
- done
- else
- mkdir -p ${dest}
- fi
- fi
-
- # FIXME: could we instead only save the aufs-diff in the persistent media? implications? What about when there's changes in the live image?
-
- # if ${source} doesn't exist on our persistent media we
- # bootstrap it with $dest from the live filesystem.
- # this both makes sense and is critical if we're
- # dealing with /etc or other system dir.
- if [ ! -d "${source}" ]
- then
- if [ -n "${PERSISTENT_READONLY}" ]
- then
- continue
- fi
- # ensure that $dest is not copied *into* $source
- mkdir -p "$(dirname ${source})"
- cp -a "${dest}" "${source}"
- fi
-
- if [ -z "${PERSISTENT_READONLY}" ]
- then
- mount --bind "${source}" "${dest}"
- else
- unionrw="$(echo ${dest} | sed -e "s|${rootmnt}|/cow/|")"
- mkdir -p ${unionrw}
- unionmountopts="noatime,${noxino_opt}dirs=${unionrw}=rw:${source}=${roopt}"
- mount -t "${UNIONTYPE}" -o "${unionmountopts}" "${UNIONTYPE}" "${dest}"
- fi
- done < ${bindings}
- rm -f ${bindings}
-
- # Look for other snapshots to copy in
- try_snap "${root_snapdata}" "${rootmnt}" "ROOT"
- # This second type should be removed when snapshot grow smarter
- try_snap "${home_snapdata}" "${rootmnt}" "HOME" "/home"
- fi
-
- if [ -n "${SHOWMOUNTS}" ]