Merge remote-tracking branch 'origin/next' into thirteen

[people/pmueller/ipfire-2.x.git] / src / install+setup / install / mountdest.sh

diff --git a/src/install+setup/install/mountdest.sh b/src/install+setup/install/mountdest.sh
index 700b8389f6a8b28f799f125a4a8de51e009b174c..749d4fa5e8df8ee10280eae4d7f07dcb1756d031 100644 (file)
--- a/src/install+setup/install/mountdest.sh
+++ b/src/install+setup/install/mountdest.sh
@@ -1,4 +1,3 @@
-#!/bin/sh
 ###############################################################################
 #                                                                             #
 # IPFire.org - A linux based firewall                                         #
@@ -19,73 +18,96 @@
 #                                                                             #
 ###############################################################################
 
+# Set histchars to an empty string so we are able to replace an
+# exclamation mark.
+histchars=
+
 echo "Scanning for possible destination drives"
 
-# scan sd?
-echo "--> sd?"
-for DEVICE in `find /sys/block/* -maxdepth 0 -name sd* -exec basename {} \; | sort | uniq`
-do
-               if [ "$(grep ${DEVICE} /proc/partitions)" = "" ]; then
-                       umount /harddisk 2> /dev/null
-                       echo "${DEVICE} is empty - SKIP"
-                       continue
-               fi
-               mount /dev/${DEVICE} /harddisk 2> /dev/null
+function _mount() {
+       local what=${1}
+
+       # Don't mount if the device does not exist.
+       [ -e "${what}" ] || return 1
+
+       mount ${what} /harddisk 2>/dev/null
+}
+
+function _umount() {
+       umount -l /harddisk 2>/dev/null
+}
+
+function check_source_drive() {
+       local device="/dev/${1}"
+
+       local ret=1
+       local dev
+       for dev in ${device} ${device}1; do
+               # Mount the device (if possible).
+               _mount ${dev} || continue
+
                if [ -n "$(ls /harddisk/ipfire-*.tlz 2>/dev/null)" ]; then
-                       umount /harddisk 2> /dev/null
-                       echo "${DEVICE} is source drive - SKIP"
-                       continue
-               else
-                       umount /harddisk 2> /dev/null
-                       mount /dev/${DEVICE}1 /harddisk 2> /dev/null
-                       if [ -n "$(ls /harddisk/ipfire-*.tlz 2>/dev/null)" ]; then
-                               umount /harddisk 2> /dev/null
-                               echo "${DEVICE}1 is source drive - SKIP"
-                               continue
-                       else
-                               umount /harddisk 2> /dev/null
-                               echo -n "$DEVICE" > /tmp/dest_device
-                               echo "${DEVICE} - yes, it is our destination"
-                               exit 1 # (always use /dev/sda as bootdevicename)
-                       fi
+                       ret=0
                fi
-done
 
-# scan other
-echo "--> other"
-for DEVICE in `find /sys/block/* -maxdepth 0 ! -name sd* ! -name sr* ! -name fd* ! -name loop* ! -name ram* -exec basename {} \; | sort | uniq`
-do
-               mount /dev/${DEVICE}p1 /harddisk 2> /dev/null
-               if [ -n "$(ls /harddisk/ipfire-*.tlz 2>/dev/null)" ]; then
-                       umount /harddisk 2> /dev/null
-                       echo "${DEVICE}p1 is source drive - SKIP"
+               _umount
+
+               # Stop if the device has been detected as a source drive.
+               [ "${ret}" = "0" ] && break
+       done
+
+       return ${ret}
+}
+
+for path in /sys/block/*; do
+       device=$(basename ${path})
+
+       # Skip devices which cannot be used.
+       case "${device}" in
+               # Virtual devices.
+               loop*|ram*)
+                       continue
+                       ;;
+               # Floppy.
+               fd*)
                        continue
-               else
-                       umount /harddisk 2> /dev/null
-                       if [ "$(grep ${DEVICE} /proc/partitions)" = "" ]; then
-                               umount /harddisk 2> /dev/null
-                               echo "${DEVICE} is empty - SKIP"
-                               continue
-                       fi
-                       mount /dev/${DEVICE}1 /harddisk 2> /dev/null
-                       if [ -n "$(ls /harddisk/ipfire-*.tlz 2>/dev/null)" ]; then
-                               umount /harddisk 2> /dev/null
-                               echo "${DEVICE}1 is source drive - SKIP"
-                               continue
-                       else
-                               umount /harddisk 2> /dev/null
-                               mount /dev/${DEVICE} /harddisk 2> /dev/null
-                               if [ -n "$(ls /harddisk/ipfire-*.tlz 2>/dev/null)" ]; then
-                                       umount /harddisk 2> /dev/null
-                                       echo "${DEVICE} is source drive - SKIP"
-                                       continue
-                               else
-                                       echo -n "$DEVICE" > /tmp/dest_device
-                                       echo "${DEVICE} - yes, it is our destination"
-                                       exit 2 # Raid ( /dev/device/diskx )
-                               fi
-                       fi
+                       ;;
+       esac
+
+       # Replace any exclamation marks (e.g. cciss!c0d0).
+       device=${device//!/\/}
+
+       # Guess if this could be a raid device.
+       for dev in ${device} ${device}p1; do
+               if [ -e "/dev/${dev}" ]; then
+                       device=${dev}
+                       break
                fi
+       done
+
+       echo "Checking ${device}"
+       if check_source_drive ${device}; then
+               echo "  is source drive - skipping"
+               continue
+       fi
+
+       # Found it.
+       echo "  OK, this is it..."
+       echo -n "${device}" > /tmp/dest_device
+
+       # Exit code table:
+       #  1: sda
+       #  2: RAID
+       # 10: nothing found
+       case "${device}" in
+               *p1|*c0d0)
+                       exit 2
+                       ;;
+               *)
+                       exit 1
+                       ;;
+       esac
 done
 
-exit 10 # Nothing found
+# Nothing found.
+exit 10