X-Git-Url: https://sipb.mit.edu/gitweb.cgi/ikiwiki.git/blobdiff_plain/ab88adc5e401f3dad8bc812965b78b45fd08fa26..9fd09149a36e13addcb822e41d0309c64a004764:/IkiWiki/Plugin/cvs.pm

diff --git a/IkiWiki/Plugin/cvs.pm b/IkiWiki/Plugin/cvs.pm
index 8409bebed..dafaf13f5 100644
--- a/IkiWiki/Plugin/cvs.pm
+++ b/IkiWiki/Plugin/cvs.pm
@@ -1,13 +1,48 @@
-#!/usr/pkg/bin/perl
+#!/usr/bin/perl
 package IkiWiki::Plugin::cvs;
 
+# Copyright (c) 2009 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;
+
+
+# GENERAL PLUGIN API CALLS
+
 sub import {
 	hook(type => "checkconfig", id => "cvs", call => \&checkconfig);
 	hook(type => "getsetup", id => "cvs", call => \&getsetup);
+	hook(type => "genwrapper", id => "cvs", call => \&genwrapper);
+
 	hook(type => "rcs", id => "rcs_update", call => \&rcs_update);
 	hook(type => "rcs", id => "rcs_prepedit", call => \&rcs_prepedit);
 	hook(type => "rcs", id => "rcs_commit", call => \&rcs_commit);
@@ -18,6 +53,7 @@ sub import {
 	hook(type => "rcs", id => "rcs_recentchanges", call => \&rcs_recentchanges);
 	hook(type => "rcs", id => "rcs_diff", call => \&rcs_diff);
 	hook(type => "rcs", id => "rcs_getctime", call => \&rcs_getctime);
+	hook(type => "rcs", id => "rcs_getmtime", call => \&rcs_getmtime);
 }
 
 sub checkconfig () {
@@ -43,6 +79,7 @@ sub getsetup () {
 		plugin => {
 			safe => 0, # rcs plugin
 			rebuild => undef,
+			section => "rcs",
 		},
 		cvsrepo => {
 			type => "string",
@@ -61,7 +98,7 @@ sub getsetup () {
 		cvs_wrapper => {
 			type => "string",
 			example => "/cvs/wikirepo/CVSROOT/post-commit",
-			description => "cvs post-commit hook to generate (triggered by CVSROOT/loginfo entry",
+			description => "cvs post-commit hook to generate (triggered by CVSROOT/loginfo entry)",
 			safe => 0, # file
 			rebuild => 0,
 		},
@@ -88,39 +125,22 @@ sub getsetup () {
 		},
 }
 
-sub cvs_info ($$) {
-	my $field=shift;
-	my $file=shift;
-
-	chdir $config{srcdir} || error("Cannot chdir to $config{srcdir}: $!");
-
-	my $info=`cvs status $file`;
-	my ($ret)=$info=~/^\s*$field:\s*(\S+)/m;
-	return $ret;
+sub genwrapper () {
+	return <<EOF;
+	{
+		int j;
+		for (j = 1; j < argc; j++)
+			if (strstr(argv[j], "New directory") != NULL)
+				exit(0);
+	}
+EOF
 }
 
-sub cvs_runcvs(@) {
-	my @cmd = @_;
-	unshift @cmd, 'cvs', '-Q';
 
-	chdir $config{srcdir} || error("Cannot chdir to $config{srcdir}: $!");
-
-	open(my $savedout, ">&STDOUT");
-	open(STDOUT, ">", "/dev/null");
-	my $ret = system(@cmd);
-	open(STDOUT, ">&", $savedout);
-
-	return ($ret == 0) ? 1 : 0;
-}
-
-sub cvs_is_controlling {
-	my $dir=shift;
-	$dir=$config{srcdir} unless defined($dir);
-	return (-d "$dir/CVS") ? 1 : 0;
-}
+# VCS PLUGIN API CALLS
 
 sub rcs_update () {
-	return unless cvs_is_controlling;
+	return unless cvs_is_controlling();
 	cvs_runcvs('update', '-dP');
 }
 
@@ -131,7 +151,7 @@ sub rcs_prepedit ($) {
 	# The file is relative to the srcdir.
 	my $file=shift;
 
-	return unless cvs_is_controlling;
+	return unless cvs_is_controlling();
 
 	# For cvs, return the revision of the file when
 	# editing begins.
@@ -139,40 +159,29 @@ sub rcs_prepedit ($) {
 	return defined $rev ? $rev : "";
 }
 
-sub rcs_commit ($$$;$$) {
+sub rcs_commit (@) {
 	# Tries to commit the page; returns undef on _success_ and
 	# a version of the page with the rcs's conflict markers on failure.
 	# The file is relative to the srcdir.
-	my $file=shift;
-	my $message=shift;
-	my $rcstoken=shift;
-	my $user=shift;
-	my $ipaddr=shift;
+	my %params=@_;
 
-	return unless cvs_is_controlling;
-
-	if (defined $user) {
-		$message="web commit by $user".(length $message ? ": $message" : "");
-	}
-	elsif (defined $ipaddr) {
-		$message="web commit from $ipaddr".(length $message ? ": $message" : "");
-	}
+	return unless cvs_is_controlling();
 
 	# Check to see if the page has been changed by someone
 	# else since rcs_prepedit was called.
-	my ($oldrev)=$rcstoken=~/^([0-9]+)$/; # untaint
-	my $rev=cvs_info("Repository revision", "$config{srcdir}/$file");
+	my ($oldrev)=$params{token}=~/^([0-9]+)$/; # untaint
+	my $rev=cvs_info("Repository revision", "$config{srcdir}/$params{file}");
 	if (defined $rev && defined $oldrev && $rev != $oldrev) {
 		# Merge their changes into the file that we've
 		# changed.
-		cvs_runcvs('update', $file) ||
+		cvs_runcvs('update', $params{file}) ||
 			warn("cvs merge from $oldrev to $rev failed\n");
 	}
 
 	if (! cvs_runcvs('commit', '-m',
-			 IkiWiki::possibly_foolish_untaint $message)) {
-		my $conflict=readfile("$config{srcdir}/$file");
-		cvs_runcvs('update', '-C', $file) ||
+			 IkiWiki::possibly_foolish_untaint(commitmessage(%params)))) {
+		my $conflict=readfile("$config{srcdir}/$params{file}");
+		cvs_runcvs('update', '-C', $params{file}) ||
 			warn("cvs revert failed\n");
 		return $conflict;
 	}
@@ -180,20 +189,13 @@ sub rcs_commit ($$$;$$) {
 	return undef # success
 }
 
-sub rcs_commit_staged ($$$) {
+sub rcs_commit_staged (@) {
 	# Commits all staged changes. Changes can be staged using rcs_add,
 	# rcs_remove, and rcs_rename.
-	my ($message, $user, $ipaddr)=@_;
-
-	if (defined $user) {
-		$message="web commit by $user".(length $message ? ": $message" : "");
-	}
-	elsif (defined $ipaddr) {
-		$message="web commit from $ipaddr".(length $message ? ": $message" : "");
-	}
+	my %params=@_;
 
 	if (! cvs_runcvs('commit', '-m',
-			 IkiWiki::possibly_foolish_untaint $message)) {
+			 IkiWiki::possibly_foolish_untaint(commitmessage(%params)))) {
 		warn "cvs staged commit failed\n";
 		return 1; # failure
 	}
@@ -221,11 +223,13 @@ sub rcs_add ($) {
 			if (defined($filemime) && $filemime eq 'text/plain') {
 				cvs_runcvs('add', $file) ||
 					warn("cvs add $file failed\n");
-			} else {
+			}
+			else {
 				cvs_runcvs('add', '-kb', $file) ||
 					warn("cvs add binary $file failed\n");
 			}
-		} else {
+		}
+		else {
 			# directory
 			cvs_runcvs('add', $file) ||
 				warn("cvs add $file failed\n");
@@ -237,7 +241,7 @@ sub rcs_remove ($) {
 	# filename is relative to the root of the srcdir
 	my $file=shift;
 
-	return unless cvs_is_controlling;
+	return unless cvs_is_controlling();
 
 	cvs_runcvs('rm', '-f', $file) ||
 		warn("cvs rm $file failed\n");
@@ -247,9 +251,9 @@ sub rcs_rename ($$) {
 	# filenames relative to the root of the srcdir
 	my ($src, $dest)=@_;
 
-	return unless cvs_is_controlling;
+	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");
@@ -259,16 +263,16 @@ sub rcs_rename ($$) {
 	rcs_remove($src);
 }
 
-sub rcs_recentchanges($) {
+sub rcs_recentchanges ($) {
 	my $num = shift;
 	my @ret;
 
-	return unless cvs_is_controlling;
+	return unless cvs_is_controlling();
 
 	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.
@@ -278,11 +282,12 @@ sub rcs_recentchanges($) {
 	eval q{use File::ReadBackwards};
 	error($@) if $@;
 
-	my (undef, $tmpfile) = tempfile(OPEN=>0);
+	my ($tmphandle, $tmpfile) = tempfile();
 	system("env TZ=UTC cvsps -q --cvs-direct -z 30 -x >$tmpfile");
 	if ($? == -1) {
 		error "couldn't run cvsps: $!\n";
-	} elsif (($? >> 8) != 0) {
+	}
+	elsif (($? >> 8) != 0) {
 		error "cvsps exited " . ($? >> 8) . ": $!\n";
 	}
 
@@ -339,7 +344,8 @@ sub rcs_recentchanges($) {
 		    $message[0]->{line}=~/$config{web_commit_regexp}/) {
 			$user=defined $2 ? "$2" : "$3";
 			$message[0]->{line}=$4;
-		} else {
+		}
+		else {
 			$committype="cvs";
 		}
 
@@ -349,21 +355,24 @@ sub rcs_recentchanges($) {
 		$line = <SPSVC>;
 		if ($line =~ /^Author: (.*)$/) {
 			$user = $1 unless defined $user && length $user;
-		} else {
+		}
+		else {
 			error "expected Author, got $line";
 		}
 
 		$line = <SPSVC>;
 		if ($line =~ /^Date: (.*)$/) {
 			$when = str2time($1, 'UTC');
-		} else {
+		}
+		else {
 			error "expected Date, got $line";
 		}
 
 		$line = <SPSVC>;
 		if ($line =~ /^PatchSet (.*)$/) {
 			$rev = $1;
-		} else {
+		}
+		else {
 			error "expected PatchSet, got $line";
 		}
 
@@ -385,10 +394,11 @@ sub rcs_recentchanges($) {
 	return @ret;
 }
 
-sub rcs_diff ($) {
+sub rcs_diff ($;$) {
 	my $rev=IkiWiki::possibly_foolish_untaint(int(shift));
+	my $maxlines=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 $rev`;
@@ -401,7 +411,8 @@ sub rcs_diff ($) {
 
 	if (wantarray) {
 		return @cvsps;
-	} else {
+	}
+	else {
 		return join("", @cvsps);
 	}
 }
@@ -409,6 +420,8 @@ sub rcs_diff ($) {
 sub rcs_getctime ($) {
 	my $file=shift;
 
+	local $CWD = $config{srcdir};
+
 	my $cvs_log_infoline=qr/^date: (.+);\s+author/;
 
 	open CVSLOG, "cvs -Q log -r1.1 '$file' |"
@@ -434,4 +447,60 @@ sub rcs_getctime ($) {
 	return $date;
 }
 
+sub rcs_getmtime ($) {
+	error "rcs_getmtime is not implemented for cvs\n"; # TODO
+}
+
+
+# INTERNAL SUPPORT ROUTINES
+
+sub commitmessage (@) {
+	my %params=@_;
+
+	if (defined $params{session}) {
+		if (defined $params{session}->param("name")) {
+			return "web commit by ".
+				$params{session}->param("name").
+				(length $params{message} ? ": $params{message}" : "");
+		}
+		elsif (defined $params{session}->remote_addr()) {
+			return "web commit from ".
+				$params{session}->remote_addr().
+				(length $params{message} ? ": $params{message}" : "");
+		}
+	}
+	return $params{message};
+}
+
+sub cvs_info ($$) {
+	my $field=shift;
+	my $file=shift;
+
+	local $CWD = $config{srcdir};
+
+	my $info=`cvs status $file`;
+	my ($ret)=$info=~/^\s*$field:\s*(\S+)/m;
+	return $ret;
+}
+
+sub cvs_is_controlling {
+	my $dir=shift;
+	$dir=$config{srcdir} unless defined($dir);
+	return (-d "$dir/CVS") ? 1 : 0;
+}
+
+sub cvs_runcvs(@) {
+	my @cmd = @_;
+	unshift @cmd, 'cvs', '-Q';
+
+	local $CWD = $config{srcdir};
+
+	open(my $savedout, ">&STDOUT");
+	open(STDOUT, ">", "/dev/null");
+	my $ret = system(@cmd);
+	open(STDOUT, ">&", $savedout);
+
+	return ($ret == 0) ? 1 : 0;
+}
+
 1