adding abnormal termination for errors

[project-aon.git] / common / scripts / copy-ebooks.sh

diff --git a/common/scripts/copy-ebooks.sh b/common/scripts/copy-ebooks.sh
index 3c39738..1e76fc5 100755 (executable)
--- a/common/scripts/copy-ebooks.sh
+++ b/common/scripts/copy-ebooks.sh
@@ -11,10 +11,15 @@
 
 if [ ! -d "$AONDIR" ]; then
     >&2 echo "Please set the AONDIR environment variable"
-    exit
+    exit 1
 fi
 CURR_DIR=`pwd`
 
+if [ "$AONDIR" -ef "$CURR_DIR" ]; then
+    >&2 echo "Current directory is the same as AONDIR: giving up"
+    exit 1
+fi
+
 BASE_DIR="$AONDIR/common/epub"
 book_db="$AONDIR/common/sqlite/bookcodes.db"