Handle basic mtree for directory creation.

1 files changed, 48 insertions, 0 deletions

diff --git a/usr.sbin/pkg_add/OpenBSD/Mtree.pm b/usr.sbin/pkg_add/OpenBSD/Mtree.pm
new file mode 100644
index 00000000000..3899bf78889
--- /dev/null
+++ b/usr.sbin/pkg_add/OpenBSD/Mtree.pm
@@ -0,0 +1,48 @@
+# ex:ts=8 sw=4:
+# $OpenBSD: Mtree.pm,v 1.1 2004/09/14 22:24:21 espie Exp $
+#
+# Copyright (c) 2004 Marc Espie <espie@openbsd.org>
+#
+# Permission to use, copy, modify, and distribute this software for any
+# purpose with or without fee is hereby granted, provided that the above
+# copyright notice and this permission notice appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+
+use strict;
+use warnings;
+
+package OpenBSD::Mtree;
+use File::Spec;
+
+# read an mtree file, and produce the corresponding directory hierarchy
+sub parse 
+{
+	my ($mtree, $current_dir, $filename) = @_;
+	open my $file, '<', $filename;
+	while(<$file>) {
+		chomp;
+		s/^\s*//;
+		next if /^\#/ || /^\//;
+		s/\s.*$//;
+		next if /^$/;
+		if ($_ eq '..') {
+			$current_dir =~ s|/[^/]*$||;
+			next;
+		} else {
+			$current_dir.="/$_";
+		}
+		$_ = $current_dir;
+		while (s|/\./|/|)	{}
+		$mtree->{File::Spec->canonpath($_)} = 1;
+	}
+	close $file;
+}
+
+1;