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[grml-rescueboot.git] / 42_grml

diff --git a/42_grml b/42_grml
index 30f1c07..96e5e1f 100755 (executable)
--- a/42_grml
+++ b/42_grml
@@ -11,7 +11,14 @@ prefix=/usr
 exec_prefix=${prefix}
 bindir=${exec_prefix}/bin
 libdir=${exec_prefix}/lib
-. ${libdir}/grub/grub-mkconfig_lib
+
+if [ -r ${libdir}/grub/grub-mkconfig_lib ] ; then
+  . ${libdir}/grub/grub-mkconfig_lib
+elif [ -r /usr/share/grub/grub-mkconfig_lib ] ; then # fallback for e.g. Fedora
+  . /usr/share/grub/grub-mkconfig_lib
+else
+  echo "Could not locate file grub-mkconfig_lib, please report a bug." >&2
+fi
 
 # default unless configured otherwise:
 ISO_LOCATION="/boot/grml"
@@ -80,7 +87,7 @@ for file in "${ISO_LOCATION}"/*.iso ; do
 done
 
 for grmliso in $iso_list ; do
-  rel_dirname="$(make_system_path_relative_to_its_root $(dirname $grmliso))"
+  rel_dirname="$(dirname $(make_system_path_relative_to_its_root $grmliso))"
   grml="$(basename $grmliso)"
   device="$(${grub_probe} -t device ${grmliso})"
 
@@ -105,11 +112,11 @@ for grmliso in $iso_list ; do
   cat << EOF
 menuentry "${title}" {
 ${grub_prep}
-        iso_path="${rel_dirname}/${grml}"
+        iso_path="${rel_dirname%/}/${grml}"
         export iso_path
         kernelopts=" $CUSTOM_BOOTOPTIONS $additional_param "
         export kernelopts
-        loopback loop "${rel_dirname}/$grml"
+        loopback loop "${rel_dirname%/}/$grml"
         set root=(loop)
         configfile /boot/grub/loopback.cfg
 }