Update build

build

@@ -22,9 +22,9 @@ fi
 
 # build initramfs image
 echo "Building intramfs image..."
-cd initramfs
+cd initramfs || exit 1
 INITRAMFS=$(./initramfs_create "$LIVEKITNAME")
-cd ..
+cd .. || exit 1
 
 # create live kit filesystem (cpio archive)
 rm -Rf "$LIVEKITDATA"
@@ -54,7 +54,7 @@ fi
 
 # create ISO for CD image
 echo "Creating ISO file for CD boot..."
-cd "$LIVEKITDATA"
+cd "$LIVEKITDATA" || exit 1
 TARGET=/mnt/z
 if [ ! -d $TARGET ]; then
    TARGET=/tmp
@@ -67,11 +67,12 @@ mkisofs -o "$TARGET/$LIVEKITNAME-$ARCH.iso" -v -J -R -D -A "$LIVEKITNAME" -V "$L
 -b "$LIVEKITNAME"/boot/isolinux.bin -c "$LIVEKITNAME"/boot/isolinux.boot . \
 >/dev/null 2>/dev/null
 
-cat "$CWD/bootinfo.txt" | fgrep -v "#" | sed -r "s/mylinux/$LIVEKITNAME/" | sed -r "s/\$/
/" > readme.txt
+cat "$CWD/bootinfo.txt" | fgrep -v "#" | sed -r "s/mylinux/$LIVEKITNAME/" | sed -r "s/\$/
+/" > readme.txt
 echo "Creating ZIP for USB boot..."
 rm -f "$TARGET/$LIVEKITNAME-$ARCH.zip"
 zip -0 -r "$TARGET/$LIVEKITNAME-$ARCH.zip" *
 
-cd ..
+cd .. || exit 1
 rm -Rf "$LIVEKITDATA"
 echo "finished. Find your result in $TARGET"