Berk Çakar
63 lines
1.8 KiB
Bash
63 lines
1.8 KiB
Bash
#!/usr/bin/bash
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# See: https://gitlab.com/tearch-linux/applications-and-tools/mkinitcpio-teaiso
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live_mount(){
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mkdir -p /pisi/a # upper
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mkdir -p /pisi/b # workdir
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mkdir -p /live_root/
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mkdir -p /new_root/
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mkdir -p /source/ # lower
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mount $root /new_root/ 2> /dev/null
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mount /new_root/live/pisi.sfs /source/ 2> /dev/null
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mount -t overlay -o lowerdir=/source/,upperdir=/pisi/a/,workdir=/pisi/b overlay /live_root
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mount -t tmpfs -o size=100% none /pisi/a
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mount -t tmpfs -o size=100% none /pisi/b
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[ -d /source/merge/ ] && cp -prfv /source/merge/* /live_root/
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mount --bind /live_root /new_root/
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mkdir /new_root/cdrom/ 2> /dev/null
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mkdir /new_root/source/ 2> /dev/null
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mount $root /new_root/cdrom/ 2> /dev/null
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mount /new_root/cdrom/live/pisi.sfs /new_root/source/ 2> /dev/null
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[ "$home" != "" ] && mount $home /new_root/home 2>/dev/null
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}
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is_file_avaiable(){
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disktmp=$(mktemp)
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rm -f $disktmp
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mkdir -p $disktmp || true
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timeout 10 mount -t auto "$1" $disktmp &>/dev/null
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[ -f "$disktmp/$2" ] && [ -b "$1" ]
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status=$?
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umount -lf $disktmp 2>/dev/null
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return $status
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}
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run_hook() {
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# live-boot
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if cat /proc/cmdline | grep "boot=live" >/dev/null ; then
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while [ "$root" == "" ] ; do
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list=$(ls /sys/class/block/ | grep ".*[0-9]$" | grep -v loop | grep -v ram | grep -v nbd | grep -v fd | sed "s|^|/dev/|g")
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for part in $list
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do
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sleep 0.1
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echo "Looking for: $part"
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if is_file_avaiable "$part" "/live/pisi.sfs"
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then
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export root=$part
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elif is_file_avaiable "$part" "/mount-me"
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then
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export home=$part
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fi
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done
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done
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export mount_handler="live_mount"
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fi
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}
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run_latehook(){
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if ! cat /proc/cmdline | grep "init=" ; then
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export init=/sbin/init
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fi
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sleep 0.3
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}
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