git: change calling convention of safe_git to have named arguments

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

diff --git a/IkiWiki/Plugin/cvs.pm b/IkiWiki/Plugin/cvs.pm
index 9f91c933508b0f6fe725704dafa21a967064af7c..788f5116786f291d1543944c55522b6a758439e7 100644 (file)
--- a/IkiWiki/Plugin/cvs.pm
+++ b/IkiWiki/Plugin/cvs.pm
@@ -1,13 +1,49 @@
-#!/usr/pkg/bin/perl
+#!/usr/bin/perl

 package IkiWiki::Plugin::cvs;
 
 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 warnings;
 use strict;
 use IkiWiki;
 

+use URI::Escape q{uri_escape_utf8};
+use File::chdir;
+
+
+# GENERAL PLUGIN API CALLS
+

 sub import {
        hook(type => "checkconfig", id => "cvs", call => \&checkconfig);
        hook(type => "getsetup", id => "cvs", call => \&getsetup);
 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);
        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 +54,7 @@ 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_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 () {
 }
 
 sub checkconfig () {


@@ -43,6 +80,7 @@ sub getsetup () {
                plugin => {
                        safe => 0, # rcs plugin
                        rebuild => undef,
                plugin => {
                        safe => 0, # rcs plugin
                        rebuild => undef,

+                       section => "rcs",

                },
                cvsrepo => {
                        type => "string",
                },
                cvsrepo => {
                        type => "string",


@@ -88,64 +126,23 @@ 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 $ret;
-}
-
-sub cvs_runcvs(@) {
-       my ($cmd) = @_;
-       unshift @$cmd, 'cvs', '-Q';
-
-       eval q{use IPC::Cmd};
-       error($@) if $@;
-
-       chdir $config{srcdir} || error("Cannot chdir to $config{srcdir}: $!");
-
-       my ($success, $error_code, $full_buf, $stdout_buf, $stderr_buf) =
-               IPC::Cmd::run(command => $cmd, verbose => 0);
-       if (! $success) {
-               warn(join(" ", @$cmd) . " exited with code $error_code\n");
-               warn(join "", @$stderr_buf);
+sub genwrapper () {
+       return <<EOF;
+       {
+               int j;
+               for (j = 1; j < argc; j++)
+                       if (strstr(argv[j], "New directory") != NULL)
+                               exit(0);

        }
        }

-       return $success;
+EOF

 }
 
 }
 

-sub cvs_shquote_commit ($) {
-       my $message = shift;
-       my $test_message = "CVS autodiscover quoting CVS";

 
 

-       eval q{use String::ShellQuote};
-       error($@) if $@;
-       eval q{use IPC::Cmd};
-       error($@) if $@;
-
-       my $cmd = ['echo', shell_quote($test_message)];
-       my ($success, $error_code, $full_buf, $stdout_buf, $stderr_buf) =
-               IPC::Cmd::run(command => $cmd, verbose => 0);
-       if ((grep /'$test_message'/, @$stdout_buf) > 0) {
-               return IkiWiki::possibly_foolish_untaint($message);
-       }
-       else {
-               return shell_quote(IkiWiki::possibly_foolish_untaint($message));
-       }
-}
-
-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 () {
 
 sub rcs_update () {

-       return unless cvs_is_controlling;
-       cvs_runcvs(['update', '-dP']);
+       return unless cvs_is_controlling();
+       cvs_runcvs('update', '-dP');

 }
 
 sub rcs_prepedit ($) {
 }
 
 sub rcs_prepedit ($) {


@@ -155,7 +152,7 @@ sub rcs_prepedit ($) {
        # The file is relative to the srcdir.
        my $file=shift;
 
        # 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.
 
        # For cvs, return the revision of the file when
        # editing begins.


@@ -163,39 +160,29 @@ sub rcs_prepedit ($) {
        return defined $rev ? $rev : "";
 }
 
        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.
        # 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.
 
        # 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.
        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");
        }
 
                        warn("cvs merge from $oldrev to $rev failed\n");
        }
 

-       if (! cvs_runcvs(['commit', '-m', cvs_shquote_commit $message])) {
-               my $conflict=readfile("$config{srcdir}/$file");
-               cvs_runcvs(['update', '-C', $file]) ||
+       if (! cvs_runcvs('commit', '-m',
+                        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;
        }
                        warn("cvs revert failed\n");
                return $conflict;
        }


@@ -203,19 +190,13 @@ sub rcs_commit ($$$;$$) {
        return undef # success
 }
 
        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.
        # 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', cvs_shquote_commit $message])) {
+       if (! cvs_runcvs('commit', '-m',
+                        IkiWiki::possibly_foolish_untaint(commitmessage(%params)))) {

                warn "cvs staged commit failed\n";
                return 1; # failure
        }
                warn "cvs staged commit failed\n";
                return 1; # failure
        }


@@ -228,9 +209,6 @@ sub rcs_add ($) {
        my $parent=IkiWiki::dirname($file);
        my @files_to_add = ($file);
 
        my $parent=IkiWiki::dirname($file);
        my @files_to_add = ($file);
 

-       eval q{use File::MimeInfo};
-       error($@) if $@;
-

        until ((length($parent) == 0) || cvs_is_controlling("$config{srcdir}/$parent")){
                push @files_to_add, $parent;
                $parent = IkiWiki::dirname($parent);
        until ((length($parent) == 0) || cvs_is_controlling("$config{srcdir}/$parent")){
                push @files_to_add, $parent;
                $parent = IkiWiki::dirname($parent);


@@ -239,19 +217,12 @@ sub rcs_add ($) {
        while ($file = pop @files_to_add) {
                if (@files_to_add == 0) {
                        # file
        while ($file = pop @files_to_add) {
                if (@files_to_add == 0) {
                        # file

-                       my $filemime = File::MimeInfo::default($file);
-                       if (defined($filemime) && $filemime eq 'text/plain') {
-                               cvs_runcvs(['add', $file]) ||
-                                       warn("cvs add $file failed\n");
-                       }
-                       else {
-                               cvs_runcvs(['add', '-kb', $file]) ||
-                                       warn("cvs add binary $file failed\n");
-                       }
+                       cvs_runcvs('add', cvs_keyword_subst_args($file)) ||
+                               warn("cvs add $file failed\n");

                }
                else {
                        # directory
                }
                else {
                        # directory

-                       cvs_runcvs(['add', $file]) ||
+                       cvs_runcvs('add', $file) ||

                                warn("cvs add $file failed\n");
                }
        }
                                warn("cvs add $file failed\n");
                }
        }


@@ -261,9 +232,9 @@ sub rcs_remove ($) {
        # filename is relative to the root of the srcdir
        my $file=shift;
 
        # 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]) ||
+       cvs_runcvs('rm', '-f', $file) ||

                warn("cvs rm $file failed\n");
 }
 
                warn("cvs rm $file failed\n");
 }
 


@@ -271,9 +242,9 @@ sub rcs_rename ($$) {
        # filenames relative to the root of the srcdir
        my ($src, $dest)=@_;
 
        # 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");
 
        if (system("mv", "$src", "$dest") != 0) {
                warn("filesystem rename failed\n");


@@ -283,16 +254,16 @@ sub rcs_rename ($$) {
        rcs_remove($src);
 }
 
        rcs_remove($src);
 }
 

-sub rcs_recentchanges($) {
+sub rcs_recentchanges ($) {

        my $num = shift;
        my @ret;
 
        my $num = shift;
        my @ret;
 

-       return unless cvs_is_controlling;
+       return unless cvs_is_controlling();

 
        eval q{use Date::Parse};
        error($@) if $@;
 
 
        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.
 
        # There's no cvsps option to get the last N changesets.
        # Write full output to a temp file and read backwards.


@@ -302,11 +273,12 @@ sub rcs_recentchanges($) {
        eval q{use File::ReadBackwards};
        error($@) if $@;
 
        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: $!\n";
        system("env TZ=UTC cvsps -q --cvs-direct -z 30 -x >$tmpfile");
        if ($? == -1) {
                error "couldn't run cvsps: $!\n";

-       } elsif (($? >> 8) != 0) {
+       }
+       elsif (($? >> 8) != 0) {

                error "cvsps exited " . ($? >> 8) . ": $!\n";
        }
 
                error "cvsps exited " . ($? >> 8) . ": $!\n";
        }
 


@@ -344,7 +316,8 @@ sub rcs_recentchanges($) {
                        $oldrev =~ s/INITIAL/0/;
                        $newrev =~ s/\(DEAD\)//;
                        my $diffurl = defined $config{diffurl} ? $config{diffurl} : "";
                        $oldrev =~ s/INITIAL/0/;
                        $newrev =~ s/\(DEAD\)//;
                        my $diffurl = defined $config{diffurl} ? $config{diffurl} : "";

-                       $diffurl=~s/\[\[file\]\]/$page/g;
+                       my $epage = uri_escape_utf8($page);
+                       $diffurl=~s/\[\[file\]\]/$epage/g;

                        $diffurl=~s/\[\[r1\]\]/$oldrev/g;
                        $diffurl=~s/\[\[r2\]\]/$newrev/g;
                        unshift @pages, {
                        $diffurl=~s/\[\[r1\]\]/$oldrev/g;
                        $diffurl=~s/\[\[r2\]\]/$newrev/g;
                        unshift @pages, {


@@ -413,10 +386,11 @@ sub rcs_recentchanges($) {
        return @ret;
 }
 
        return @ret;
 }
 

-sub rcs_diff ($) {
+sub rcs_diff ($;$) {

        my $rev=IkiWiki::possibly_foolish_untaint(int(shift));
        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`;
 
        # diff output is unavoidably preceded by the cvsps PatchSet entry
        my @cvsps = `env TZ=UTC cvsps -q --cvs-direct -z 30 -g -s $rev`;


@@ -438,6 +412,8 @@ sub rcs_diff ($) {
 sub rcs_getctime ($) {
        my $file=shift;
 
 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' |"
        my $cvs_log_infoline=qr/^date: (.+);\s+author/;
 
        open CVSLOG, "cvs -Q log -r1.1 '$file' |"


@@ -463,4 +439,78 @@ sub rcs_getctime ($) {
        return $date;
 }
 
        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_keyword_subst_args ($) {
+       my $file = shift;
+
+       local $CWD = $config{srcdir};
+
+       eval q{use File::MimeInfo};
+       error($@) if $@;
+       my $filemime = File::MimeInfo::default($file);
+       # if (-T $file) {
+
+       if (defined($filemime) && $filemime eq 'text/plain') {
+               return ($file);
+       }
+       else {
+               return ('-kb', $file);
+       }
+}
+
+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;
+}
+

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