git: Do the revert operation in a secondary working tree

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

diff --git a/IkiWiki/Plugin/cvs.pm b/IkiWiki/Plugin/cvs.pm
index ccd697e1b48649576249b971bb239f743b910556..788f5116786f291d1543944c55522b6a758439e7 100644 (file)
--- a/IkiWiki/Plugin/cvs.pm
+++ b/IkiWiki/Plugin/cvs.pm
@@ -1,7 +1,7 @@
-#!/usr/pkg/bin/perl
+#!/usr/bin/perl

 package IkiWiki::Plugin::cvs;
 
 package IkiWiki::Plugin::cvs;
 

-# Copyright (c) 2008 Amitai Schlair
+# Copyright (c) 2009 Amitai Schlair

 # All rights reserved.
 #
 # This code is derived from software contributed to ikiwiki
 # All rights reserved.
 #
 # This code is derived from software contributed to ikiwiki


@@ -33,12 +33,17 @@ use warnings;
 use strict;
 use IkiWiki;
 
 use strict;
 use IkiWiki;
 

+use URI::Escape q{uri_escape_utf8};

 use File::chdir;
 
 use File::chdir;
 

+
+# GENERAL PLUGIN API CALLS
+

 sub import {
 sub import {

-       hook(type => "genwrapper", id => "cvs", call => \&genwrapper);

        hook(type => "checkconfig", id => "cvs", call => \&checkconfig);
        hook(type => "getsetup", id => "cvs", call => \&getsetup);
        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);


@@ -49,18 +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);

-}
-
-sub genwrapper () {
-       my $check_args=<<"EOF";
-       {
-               int j;
-               for (j = 1; j < argc; j++)
-                       if (strstr(argv[j], "New directory") != NULL)
-                               exit(0);
-       }
-EOF
-       return $check_args;
+       hook(type => "rcs", id => "rcs_getmtime", call => \&rcs_getmtime);

 }
 
 sub checkconfig () {
 }
 
 sub checkconfig () {


@@ -86,6 +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",


@@ -104,7 +99,7 @@ sub getsetup () {
                cvs_wrapper => {
                        type => "string",
                        example => "/cvs/wikirepo/CVSROOT/post-commit",
                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,
                },
                        safe => 0, # file
                        rebuild => 0,
                },


@@ -131,39 +126,22 @@ sub getsetup () {
                },
 }
 
                },
 }
 

-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 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';
-
-       local $CWD = $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 () {
 
 sub rcs_update () {

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

        cvs_runcvs('update', '-dP');
 }
 
        cvs_runcvs('update', '-dP');
 }
 


@@ -174,7 +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.


@@ -182,40 +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;
-
-       return unless cvs_is_controlling;
+       my %params=@_;

 
 

-       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");
        }
 
        if (! cvs_runcvs('commit', '-m',
                        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;
        }
                        warn("cvs revert failed\n");
                return $conflict;
        }


@@ -223,20 +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',
 
        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
        }
                warn "cvs staged commit failed\n";
                return 1; # failure
        }


@@ -249,9 +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);


@@ -260,15 +217,10 @@ 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 $file failed\n");
-                       }
-               } else {
+                       cvs_runcvs('add', cvs_keyword_subst_args($file)) ||
+                               warn("cvs add $file failed\n");
+               }
+               else {

                        # directory
                        cvs_runcvs('add', $file) ||
                                warn("cvs add $file failed\n");
                        # directory
                        cvs_runcvs('add', $file) ||
                                warn("cvs add $file failed\n");


@@ -280,7 +232,7 @@ 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) ||
                warn("cvs rm $file failed\n");
 
        cvs_runcvs('rm', '-f', $file) ||
                warn("cvs rm $file failed\n");


@@ -290,7 +242,7 @@ 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();

 
        local $CWD = $config{srcdir};
 
 
        local $CWD = $config{srcdir};
 


@@ -302,11 +254,11 @@ 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 $@;


@@ -321,11 +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";
        }
 


@@ -363,7 +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, {


@@ -382,7 +336,8 @@ sub rcs_recentchanges($) {
                    $message[0]->{line}=~/$config{web_commit_regexp}/) {
                        $user=defined $2 ? "$2" : "$3";
                        $message[0]->{line}=$4;
                    $message[0]->{line}=~/$config{web_commit_regexp}/) {
                        $user=defined $2 ? "$2" : "$3";
                        $message[0]->{line}=$4;

-               } else {
+               }
+               else {

                        $committype="cvs";
                }
 
                        $committype="cvs";
                }
 


@@ -392,21 +347,24 @@ sub rcs_recentchanges($) {
                $line = <SPSVC>;
                if ($line =~ /^Author: (.*)$/) {
                        $user = $1 unless defined $user && length $user;
                $line = <SPSVC>;
                if ($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');
                        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;
                        error "expected Date, got $line";
                }
 
                $line = <SPSVC>;
                if ($line =~ /^PatchSet (.*)$/) {
                        $rev = $1;

-               } else {
+               }
+               else {

                        error "expected PatchSet, got $line";
                }
 
                        error "expected PatchSet, got $line";
                }
 


@@ -428,8 +386,9 @@ 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;

 
        local $CWD = $config{srcdir};
 
 
        local $CWD = $config{srcdir};
 


@@ -444,7 +403,8 @@ sub rcs_diff ($) {
 
        if (wantarray) {
                return @cvsps;
 
        if (wantarray) {
                return @cvsps;

-       } else {
+       }
+       else {

                return join("", @cvsps);
        }
 }
                return join("", @cvsps);
        }
 }


@@ -452,6 +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' |"


@@ -477,4 +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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