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-rw-r--r--recipes/udev/files/slugos/mount.sh83
1 files changed, 83 insertions, 0 deletions
diff --git a/recipes/udev/files/slugos/mount.sh b/recipes/udev/files/slugos/mount.sh
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+++ b/recipes/udev/files/slugos/mount.sh
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+#!/bin/sh
+#
+# Called from udev
+# Attemp to mount any added block devices
+# and remove any removed devices
+#
+
+MOUNT="/bin/mount"
+PMOUNT="/usr/bin/pmount"
+UMOUNT="/bin/umount"
+name="`basename "$DEVNAME"`"
+
+if ( blkid "$DEVNAME" | grep -q 'TYPE="mdraid"' )
+then
+ logger "udev/mount.sh" "[$DEVNAME] is a member of an array, ignoring"
+ exit 0
+fi
+
+for line in `cat /etc/udev/mount.blacklist | grep -v ^#`
+do
+ if ( echo "$DEVNAME" | grep -q "$line" )
+ then
+ logger "udev/mount.sh" "[$DEVNAME] is blacklisted, ignoring"
+ exit 0
+ fi
+done
+
+automount() {
+ ! test -d "/media/$name" && mkdir -p "/media/$name"
+
+ if ! $MOUNT -t auto -o sync $DEVNAME "/media/$name"
+ then
+ #logger "mount.sh/automount" "$MOUNT -t auto $DEVNAME \"/media/$name\" failed!"
+ rm_dir "/media/$name"
+ else
+ logger "mount.sh/automount" "Auto-mount of [/media/$name] successful"
+ touch "/tmp/.automount-$name"
+ fi
+}
+
+rm_dir() {
+ # We do not want to rm -r populated directories
+ if test "`find "$1" | wc -l | tr -d " "`" -lt 2 -a -d "$1"
+ then
+ ! test -z "$1" && rm -r "$1"
+ else
+ logger "mount.sh/automount" "Not removing non-empty directory [$1]"
+ fi
+}
+
+if [ "$ACTION" = "add" ] && [ -n "$DEVNAME" ]; then
+ # SlugOS: we pivot to the rootfs based on UUID, not on fstab -- so the fstab may not
+ # be correct at this point in the boot. So we must not let udev mount devices based
+ # soley on the fstab, lest we mount overtop the real rootfs. For now we just comment
+ # out the logic below and let the automount logic (far below) deal with all udev mount
+ # operations.
+ #if [ -x "$PMOUNT" ]; then
+ # $PMOUNT $DEVNAME 2> /dev/null
+ #elif [ -x $MOUNT ]; then
+ # $MOUNT $DEVNAME 2> /dev/null
+ #fi
+
+ # If the device isn't mounted at this point, it isn't configured in fstab
+ # 20061107: Small correction: The rootfs partition may be called just "rootfs" and not by
+ # its true device name so this would break. If the rootfs is mounted on two places
+ # during boot, it confuses the heck out of fsck. So Im auto-adding the root-partition
+ # to /etc/udev/mount.blacklist via postinst
+
+ cat /proc/mounts | awk '{print $1}' | grep -q "^$DEVNAME$" || automount
+
+fi
+
+
+
+if [ "$ACTION" = "remove" ] && [ -x "$UMOUNT" ] && [ -n "$DEVNAME" ]; then
+ for mnt in `cat /proc/mounts | grep "$DEVNAME" | cut -f 2 -d " " `
+ do
+ $UMOUNT $mnt
+ done
+
+ # Remove empty directories from auto-mounter
+ test -e "/tmp/.automount-$name" && rm_dir "/media/$name"
+fi