Merging casper 1.160.

[live-boot-grml.git] / scripts / live-helpers

diff --git a/scripts/live-helpers b/scripts/live-helpers
index 978aa06..84d460b 100644 (file)
--- a/scripts/live-helpers
+++ b/scripts/live-helpers
@@ -76,25 +76,17 @@ is_supported_fs ()
 
 get_fstype ()
 {
-       local FSTYPE
-       local FSSIZE
-
-       # fstype misreports LUKS devices
-       if is_luks "${1}"
-       then
-           /lib/udev/vol_id -t ${1} 2>/dev/null
-           return
-       fi
-
-       eval $(fstype ${1} 2>/dev/null)
-
-       if [ "${FSTYPE}" != "unknown" ]
+       # udev >=146-1 no longer provides vol_id:
+       if [ -x /lib/udev/vol_id ]
        then
-               echo ${FSTYPE}
-               return 0
+               /lib/udev/vol_id -t ${1} 2>/dev/null
+       else
+               eval $(blkid -o udev "${1}")
+               if [ -n "$ID_FS_TYPE" ]
+               then
+                       echo "${ID_FS_TYPE}"
+               fi
        fi
-
-       /lib/udev/vol_id -t ${1} 2>/dev/null
 }
 
 where_is_mounted ()
@@ -328,7 +320,7 @@ find_cow_device ()
                        fi
 
                        # Checking for a luks device
-                       if [ -e /sbin/cryptsetup ] && /sbin/cryptsetup isLuks ${devname}
+                       if [ "${PERSISTENT}" = "cryptsetup" ] && [ -e /sbin/cryptsetup ] && /sbin/cryptsetup isLuks ${devname}
                        then
                                while true
                                do
@@ -357,10 +349,21 @@ find_cow_device ()
                                done
                        fi
 
-                       if [ "$(/lib/udev/vol_id -l ${devname} 2>/dev/null)" = "${pers_label}" ]
+                       # udev >=146-1 no longer provides vol_id:
+                       if [ -x /lib/udev/vol_id ]
                        then
-                               echo "${devname}"
-                               return 0
+                               if [ "$(/lib/udev/vol_id -l ${devname} 2>/dev/null)" = "${pers_label}" ]
+                               then
+                                       echo "${devname}"
+                                       return 0
+                               fi
+                       else
+                               eval $(blkid -o udev "${devname}")
+                               if [ "$ID_FS_LABEL" = "${pers_label}" ]
+                               then
+                                       echo "${devname}"
+                                       return 0
+                               fi
                        fi
 
                        if [ "${PERSISTENT}" = "nofiles" ]