create rootdir on install

diff --git a/zpm-install b/zpm-install
index 815d610f62e7aa246f3f5c099182718a312e29d4..29d8c5d2fc270f0299bc5ecfcbbd46b280c405e1 100755 (executable)
--- a/zpm-install
+++ b/zpm-install
@@ -88,7 +88,7 @@ package=$(zpm quote "$name")
 pkgver=$(zpm quote "$version")
 pkgrel=$(zpm quote "$release")
 
-if [ -z "$rootdir" ]; then
+if [ -n "$rootdir" ]; then
        : rootdir=${rootdir%%/}
 fi
 
@@ -97,6 +97,9 @@ if [ -z "$localdb" ]; then
 fi
 
 if [ ! -f "$localdb" ]; then
+       if [ -n "$rootdir" ] && [ ! -d $rootdir ]; then
+               mkdir $rootdir || die "can't create $rootdir: $!"
+       fi
        for d in /var /var/lib /var/lib/zpm; do
                test -d $rootdir/$d || mkdir $rootdir/$d || die "can't create $rootdir/$d/: $!"
        done