simplify code again

diff --git a/build b/build
index 1f96421..01a5513 100755 (executable)
--- a/build
+++ b/build
@@ -1064,21 +1064,12 @@ for SPECFILE in "${SPECFILES[@]}" ; do
        if test -n "$VM_SWAP" ; then
            BUILDSTATUS=`dd if="$VM_SWAP" bs=12 count=1 2>/dev/null`
            case $BUILDSTATUS in
-             BUILDSTATUS0)
-                # usual successfull build
+             BUILDSTATUS[02])
                mkdir -p $BUILD_ROOT/.build.packages 
                cd $BUILD_ROOT/.build.packages || cleanup_and_exit 1
                echo "build: extracting built packages..."
                dd if=$VM_SWAP bs=512 skip=1 | cpio --extract --no-absolute-filenames -v
-               cleanup_and_exit 0
-               ;;
-             BUILDSTATUS2)
-                # successful, but unchanged build, copy back result anyway
-               mkdir -p $BUILD_ROOT/.build.packages 
-               cd $BUILD_ROOT/.build.packages || cleanup_and_exit 1
-               echo "build: extracting built packages..."
-               dd if=$VM_SWAP bs=512 skip=1 | cpio --extract --no-absolute-filenames -v
-               cleanup_and_exit 2
+               cleanup_and_exit ${BUILDSTATUS#BUILDSTATUS}
                ;;
              *)
                cleanup_and_exit ${BUILDSTATUS#BUILDSTATUS}