X-Git-Url: http://git.grml.org/?a=blobdiff_plain;f=scripts%2Flive;h=ef7f64d508d40ab490ab46c96caecdcbf97037c0;hb=35c1bf15ba1c4e64376e42fd796c4c08cfbc8389;hp=eb04d277db7606c130fbfed5a11401c63d196879;hpb=4fc648acc4e010fe0c3046baeb26ec1334c16e27;p=live-boot-grml.git

diff --git a/scripts/live b/scripts/live
index eb04d27..ef7f64d 100755
--- a/scripts/live
+++ b/scripts/live
@@ -1391,15 +1391,6 @@ find_livefs ()
 {
 	timeout="${1}"
 
-	# first look at the one specified in the command line
-	if [ ! -z "${LIVE_MEDIA}" ]
-	then
-		if check_dev "null" "${LIVE_MEDIA}" "skip_uuid_check"
-		then
-			return 0
-		fi
-	fi
-
 	# don't start autodetection before timeout has expired
 	if [ -n "${LIVE_MEDIA_TIMEOUT}" ]
 	then
@@ -1409,6 +1400,54 @@ find_livefs ()
 		fi
 	fi
 
+	# first look at the one specified in the command line
+	case "${LIVE_MEDIA}" in
+		removable-usb)
+			for sysblock in $(echo /sys/block/* | tr ' ' '\n' | grep -vE "/(loop|ram|dm-|fd)")
+			do
+				if [ "$(cat ${sysblock}/removable)" = "1" ]
+				then
+					if readlink ${sysblock}/device | grep -q usb
+					then
+						for dev in $(subdevices "${sysblock}")
+						do
+							if check_dev "${dev}"
+							then
+								return 0
+							fi
+						done
+					fi
+				fi
+			done
+			;;
+
+		removable)
+			for sysblock in $(echo /sys/block/* | tr ' ' '\n' | grep -vE "/(loop|ram|dm-|fd)")
+			do
+				if [ "$(cat ${sysblock}/removable)" = "1" ]
+				then
+					for dev in $(subdevices "${sysblock}")
+					do
+						if check_dev "${dev}"
+						then
+							return 0
+						fi
+					done
+				fi
+			done
+			;;
+
+		*)
+			if [ ! -z "${LIVE_MEDIA}" ]
+			then
+				if check_dev "null" "${LIVE_MEDIA}" "skip_uuid_check"
+				then
+					return 0
+				fi
+			fi
+			;;
+	esac
+
 	# or do the scan of block devices
 	for sysblock in $(echo /sys/block/* | tr ' ' '\n' | grep -vE "/(loop|ram|dm-|fd)")
 	do