Add NetBSD-style 2-clause BSD license.

[ikiwiki.git] / IkiWiki / Plugin / cvs.pm

diff --git a/IkiWiki/Plugin/cvs.pm b/IkiWiki/Plugin/cvs.pm
index ff9d578e2f120d106050a70aa43b135c6be43f0d..ccd697e1b48649576249b971bb239f743b910556 100644 (file)
--- a/IkiWiki/Plugin/cvs.pm
+++ b/IkiWiki/Plugin/cvs.pm
@@ -1,12 +1,42 @@
 #!/usr/pkg/bin/perl
 package IkiWiki::Plugin::cvs;
 
+# Copyright (c) 2008 Amitai Schlair
+# All rights reserved.
+#
+# This code is derived from software contributed to ikiwiki
+# by Amitai Schlair.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in the
+#    documentation and/or other materials provided with the distribution.
+#
+# THIS SOFTWARE IS PROVIDED BY IKIWIKI AND CONTRIBUTORS ``AS IS''
+# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+# PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION
+# OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+# USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+# OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+# SUCH DAMAGE.
+
 use warnings;
 use strict;
 use IkiWiki;
 
+use File::chdir;
+
 sub import {
-       hook(type => "wrapperargcheck", id => "cvs", call => \&wrapperargcheck);
+       hook(type => "genwrapper", id => "cvs", call => \&genwrapper);
        hook(type => "checkconfig", id => "cvs", call => \&checkconfig);
        hook(type => "getsetup", id => "cvs", call => \&getsetup);
        hook(type => "rcs", id => "rcs_update", call => \&rcs_update);
@@ -21,13 +51,14 @@ sub import {
        hook(type => "rcs", id => "rcs_getctime", call => \&rcs_getctime);
 }
 
-sub wrapperargcheck () {
+sub genwrapper () {
        my $check_args=<<"EOF";
-       int j;
-       for (j = 1; j < argc; j++)
-               if (strstr(argv[j], "New directory") != NULL)
-                       return 0;
-       return 1;
+       {
+               int j;
+               for (j = 1; j < argc; j++)
+                       if (strstr(argv[j], "New directory") != NULL)
+                               exit(0);
+       }
 EOF
        return $check_args;
 }
@@ -104,7 +135,7 @@ sub cvs_info ($$) {
        my $field=shift;
        my $file=shift;
 
-       chdir $config{srcdir} || error("Cannot chdir to $config{srcdir}: $!");
+       local $CWD = $config{srcdir};
 
        my $info=`cvs status $file`;
        my ($ret)=$info=~/^\s*$field:\s*(\S+)/m;
@@ -115,7 +146,7 @@ sub cvs_runcvs(@) {
        my @cmd = @_;
        unshift @cmd, 'cvs', '-Q';
 
-       chdir $config{srcdir} || error("Cannot chdir to $config{srcdir}: $!");
+       local $CWD = $config{srcdir};
 
        open(my $savedout, ">&STDOUT");
        open(STDOUT, ">", "/dev/null");
@@ -261,7 +292,7 @@ sub rcs_rename ($$) {
 
        return unless cvs_is_controlling;
 
-       chdir $config{srcdir} || error("Cannot chdir to $config{srcdir}: $!");
+       local $CWD = $config{srcdir};
 
        if (system("mv", "$src", "$dest") != 0) {
                warn("filesystem rename failed\n");
@@ -280,7 +311,7 @@ sub rcs_recentchanges($) {
        eval q{use Date::Parse};
        error($@) if $@;
 
-       chdir $config{srcdir} || error("Cannot chdir to $config{srcdir}: $!");
+       local $CWD = $config{srcdir};
 
        # There's no cvsps option to get the last N changesets.
        # Write full output to a temp file and read backwards.
@@ -400,7 +431,7 @@ sub rcs_recentchanges($) {
 sub rcs_diff ($) {
        my $rev=IkiWiki::possibly_foolish_untaint(int(shift));
 
-       chdir $config{srcdir} || error("Cannot chdir to $config{srcdir}: $!");
+       local $CWD = $config{srcdir};
 
        # diff output is unavoidably preceded by the cvsps PatchSet entry
        my @cvsps = `env TZ=UTC cvsps -q --cvs-direct -z 30 -g -s $rev`;