forbid non-sensical empty parts

explicitly forbid % to be in packages-specs, so that people don't get confused
about it.

diff --git a/usr.sbin/pkg_add/OpenBSD/PkgSpec.pm b/usr.sbin/pkg_add/OpenBSD/PkgSpec.pm
index 6d25b61..42a17ca 100644 (file)
--- a/usr.sbin/pkg_add/OpenBSD/PkgSpec.pm
+++ b/usr.sbin/pkg_add/OpenBSD/PkgSpec.pm
@@ -1,5 +1,5 @@
 # ex:ts=8 sw=4:
-# $OpenBSD: PkgSpec.pm,v 1.48 2021/11/16 15:56:44 espie Exp $
+# $OpenBSD: PkgSpec.pm,v 1.49 2021/11/17 10:59:13 espie Exp $
 #
 # Copyright (c) 2003-2007 Marc Espie <espie@openbsd.org>
 #
@@ -197,13 +197,13 @@ sub parse
 
        # let's try really hard to find the stem and the flavors
        unless ($p =~ m/^
-               (.*?) # stem part
+               ([^%]+?) # stem part
                \-
                (
-                   (?:\>|\>\=|\<\=|\<|\=)?\d[^-]*  # optional op + version
+                   (?:\>|\>\=|\<\=|\<|\=)?\d[^-%]*  # optional op + version
                    |\* # or any version
                )
-               (?:\-(.*))? # optional flavor part
+               (?:\-([^%]+))? # optional flavor part
            $/x) {
                return undef;
        }