base-files: sysupgrade cleanup
[openwrt/openwrt.git] / package / base-files / files / lib / upgrade / common.sh
index 17248c2..fc59bf2 100644 (file)
@@ -30,106 +30,6 @@ install_bin() { # <file> [ <symlink> ... ]
        }; done
 }
 
-supivot() { # <new_root> <old_root>
-       /bin/mount | grep "on $1 type" 2>&- 1>&- || /bin/mount -o bind $1 $1
-       mkdir -p $1$2 $1/proc $1/sys $1/dev $1/tmp $1/overlay && \
-       /bin/mount -o noatime,move /proc $1/proc && \
-       pivot_root $1 $1$2 || {
-               /bin/umount -l $1 $1
-               return 1
-       }
-
-       /bin/mount -o noatime,move $2/sys /sys
-       /bin/mount -o noatime,move $2/dev /dev
-       /bin/mount -o noatime,move $2/tmp /tmp
-       /bin/mount -o noatime,move $2/overlay /overlay 2>&-
-       return 0
-}
-
-run_ramfs() { # <command> [...]
-       install_bin /bin/busybox /bin/ash /bin/sh /bin/mount /bin/umount        \
-               /sbin/pivot_root /sbin/reboot /bin/sync /bin/dd /bin/grep       \
-               /bin/cp /bin/mv /bin/tar /usr/bin/md5sum "/usr/bin/[" /bin/dd   \
-               /bin/vi /bin/ls /bin/cat /usr/bin/awk /usr/bin/hexdump          \
-               /bin/sleep /bin/zcat /usr/bin/bzcat /usr/bin/printf /usr/bin/wc \
-               /bin/cut /usr/bin/printf /bin/sync /bin/mkdir /bin/rmdir        \
-               /bin/rm /usr/bin/basename /bin/kill /bin/chmod /usr/bin/find \
-               /bin/mknod
-
-       install_bin /sbin/mtd
-       install_bin /sbin/mount_root
-       install_bin /sbin/snapshot
-       install_bin /sbin/snapshot_tool
-       install_bin /usr/sbin/ubiupdatevol
-       install_bin /usr/sbin/ubiattach
-       install_bin /usr/sbin/ubiblock
-       install_bin /usr/sbin/ubiformat
-       install_bin /usr/sbin/ubidetach
-       install_bin /usr/sbin/ubirsvol
-       install_bin /usr/sbin/ubirmvol
-       install_bin /usr/sbin/ubimkvol
-       install_bin /usr/sbin/partx
-       install_bin /usr/sbin/losetup
-       install_bin /usr/sbin/mkfs.ext4
-       for file in $RAMFS_COPY_BIN; do
-               install_bin ${file//:/ }
-       done
-       install_file /etc/resolv.conf /lib/*.sh /lib/functions/*.sh /lib/upgrade/*.sh $RAMFS_COPY_DATA
-
-       [ -L "/lib64" ] && ln -s /lib $RAM_ROOT/lib64
-
-       supivot $RAM_ROOT /mnt || {
-               echo "Failed to switch over to ramfs. Please reboot."
-               exit 1
-       }
-
-       /bin/mount -o remount,ro /mnt
-       /bin/umount -l /mnt
-
-       grep /overlay /proc/mounts > /dev/null && {
-               /bin/mount -o noatime,remount,ro /overlay
-               /bin/umount -l /overlay
-       }
-
-       # spawn a new shell from ramdisk to reduce the probability of cache issues
-       exec /bin/busybox ash -c "$*"
-}
-
-kill_remaining() { # [ <signal> [ <loop> ] ]
-       local sig="${1:-TERM}"
-       local loop="${2:-0}"
-       local run=true
-       local stat
-
-       echo -n "Sending $sig to remaining processes ... "
-
-       while $run; do
-               run=false
-               for stat in /proc/[0-9]*/stat; do
-                       [ -f "$stat" ] || continue
-
-                       local pid name state ppid rest
-                       read pid name state ppid rest < $stat
-                       name="${name#(}"; name="${name%)}"
-
-                       # Skip PID1, ourself and our children
-                       [ $pid -ne 1 -a $pid -ne $$ -a $ppid -ne $$ ] || continue
-
-                       local cmdline
-                       read cmdline < /proc/$pid/cmdline
-
-                       # Skip kernel threads
-                       [ -n "$cmdline" ] || continue
-
-                       echo -n "$name "
-                       kill -$sig $pid 2>/dev/null
-
-                       [ $loop -eq 1 ] && run=true
-               done
-       done
-       echo ""
-}
-
 run_hooks() {
        local arg="$1"; shift
        for func in "$@"; do