for incremental builds again

diff --git a/vbuild-nightly.sh b/vbuild-nightly.sh
index 1c9c6cf..dfc3366 100755 (executable)
--- a/vbuild-nightly.sh
+++ b/vbuild-nightly.sh
@@ -545,15 +545,15 @@ function main () {
            build_SVNPATH=$(vserver ${BASE} exec make --no-print-directory -C /build stage1=skip +build-SVNPATH)
            options=($options -s $build_SVNPATH)
            PERSONALITY=$(vserver ${BASE} exec make --no-print-directory -C /build stage1=skip +PERSONALITY)
-           options=($options -p $PERSONALITY)
+           [ -n "$PERSONALITY" ] && options=($options -p $PERSONALITY)
            MAILTO=$(vserver ${BASE} exec make --no-print-directory -C /build stage1=skip +MAILTO)
-           options=($options -m $MAILTO)
+           [ -n "$MAILTO" ] && options=($options -m $MAILTO)
            WEBPATH=$(vserver ${BASE} exec make --no-print-directory -C /build stage1=skip +WEBPATH)
-           options=($options -w $WEBPATH)
+           [ -n "$WEBPATH" ] && options=($options -w $WEBPATH)
            TESTBUILDURL=$(vserver ${BASE} exec make --no-print-directory -C /build stage1=skip +TESTBUILDURL)
-           options=($options -W $TESTBUILDURL)
+           [ -n "$TESTBUILDURL" ] && options=($options -W $TESTBUILDURL)
            WEBROOT=$(vserver ${BASE} exec make --no-print-directory -C /build stage1=skip +WEBROOT)
-           options=($options -r $WEBROOT)
+           [ -n "$WEBROOT" ] && options=($options -r $WEBROOT)
            show_env
        else
            # create vserver: check it does not exist yet