X-Git-Url: https://git.grml.org/?p=grml2usb.git;a=blobdiff_plain;f=grml2iso;h=e84e2674cfd6f013e8cc9d989a4d2c63a1078ba6;hp=0addfb74665c605178d606e47a5483a713c8982b;hb=26cf6332b95355d58220e8541cf8de896ce60c67;hpb=7705455fc160164747fbbd44343fb6e3c833d45a

diff --git a/grml2iso b/grml2iso
index 0addfb7..e84e267 100755
--- a/grml2iso
+++ b/grml2iso
@@ -86,12 +86,12 @@ Options:
     case $name in
       o)   ISOFILE="$OPTARG";;
       b)   GRML2USB_OPTS+=(--bootoptions="$OPTARG");;
-      c)   DIR="$(readlink -f "$OPTARG")";;
+      c)   DIR="$(readlink -f "$OPTARG")"; [ -n "$DIR" ] || { echo "Could not read $OPTARG - exiting" >&2 ; exit 1 ; } ;;
       f)   FORCE='true';;
       r)   GRML2USB_OPTS+=(--remove-bootoption="$OPTARG");;
       p)   GRML2USB_OPTS+=("$OPTARG");;
       s)   URI="$OPTARG";;
-      t)   WRKDIR="$OPTARG";;
+      t)   WRKDIR="$(readlink -f "$OPTARG")";;
       ?)   usage 2;;
     esac
   done
@@ -129,7 +129,8 @@ Options:
 
 # check for grml2usb {{{
   if [ ! -x "$(which $GRML2USB)" ] && [ ! -x "$GRML2USB" ] ; then
-    echo >&2 "Error: Could not find grml2usb"
+    echo "Error: Could not find grml2usb executable. Is /usr/sbin missing in PATH?" >&2
+    echo "Tip: run GRML2USB=/usr/sbin/grml2usb grml2iso ... as workaround" >&2
     if [ -x "./$GRML2USB" ] ; then
       echo >&2 "If you executed grml2iso from the grml2usb repository use"
       echo >&2 "GRML2USB=./grml2usb $0 $*"