mercurial: Make both rcs_getctime and rcs_getmtime fast. (Daniel Andersson)

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

diff --git a/IkiWiki/Plugin/bzr.pm b/IkiWiki/Plugin/bzr.pm
index 16c959069e915c5ca746b609a1b753dbe1e42446..3bc4ea8dd69b1d67329ec1db81bdd2e4ac9d19cf 100644 (file)
--- a/IkiWiki/Plugin/bzr.pm
+++ b/IkiWiki/Plugin/bzr.pm
@@ -20,6 +20,7 @@ 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 () {
@@ -36,6 +37,7 @@ sub getsetup () {
                plugin => {
                        safe => 0, # rcs plugin
                        rebuild => undef,
+                       section => "rcs",
                },
                bzr_wrapper => {
                        type => "string",
@@ -72,31 +74,40 @@ sub bzr_log ($) {
        my @infos = ();
        my $key = undef;
 
+       my %info;
        while (<$out>) {
                my $line = $_;
                my ($value);
                if ($line =~ /^message:/) {
                        $key = "message";
-                       $infos[$#infos]{$key} = "";
+                       $info{$key} = "";
                }
                elsif ($line =~ /^(modified|added|renamed|renamed and modified|removed):/) {
                        $key = "files";
-                       unless (defined($infos[$#infos]{$key})) { $infos[$#infos]{$key} = ""; }
+                       $info{$key} = "" unless defined $info{$key};
                }
                elsif (defined($key) and $line =~ /^  (.*)/) {
-                       $infos[$#infos]{$key} .= "$1\n";
+                       $info{$key} .= "$1\n";
                }
                elsif ($line eq "------------------------------------------------------------\n") {
+                       push @infos, {%info} if keys %info;
+                       %info = ();
                        $key = undef;
-                       push (@infos, {});
                }
-               else {
+               elsif ($line =~ /: /) {
                        chomp $line;
+                       if ($line =~ /^revno: (\d+)/) {
+                           $key = "revno";
+                           $value = $1;
+                       }
+                       else {
                                ($key, $value) = split /: +/, $line, 2;
-                       $infos[$#infos]{$key} = $value;
-               } 
+                       }
+                       $info{$key} = $value;
+               }
        }
        close $out;
+       push @infos, {%info} if keys %info;
 
        return @infos;
 }
@@ -112,8 +123,13 @@ sub rcs_prepedit ($) {
        return "";
 }
 
-sub bzr_author ($$) {
-       my ($user, $ipaddr) = @_;
+sub bzr_author ($) {
+       my $session=shift;
+
+       return unless defined $session;
+
+       my $user=$session->param("name");
+       my $ipaddr=$session->remote_addr();
 
        if (defined $user) {
                return IkiWiki::possibly_foolish_untaint($user);
@@ -126,18 +142,19 @@ sub bzr_author ($$) {
        }
 }
 
-sub rcs_commit ($$$;$$) {
-       my ($file, $message, $rcstoken, $user, $ipaddr) = @_;
+sub rcs_commit (@) {
+       my %params=@_;
 
-       $user = bzr_author($user, $ipaddr);
+       my $user=bzr_author($params{session});
 
-       $message = IkiWiki::possibly_foolish_untaint($message);
-       if (! length $message) {
-               $message = "no message given";
+       $params{message} = IkiWiki::possibly_foolish_untaint($params{message});
+       if (! length $params{message}) {
+               $params{message} = "no message given";
        }
 
-       my @cmdline = ("bzr", "commit", "--quiet", "-m", $message, "--author", $user,
-                      $config{srcdir}."/".$file);
+       my @cmdline = ("bzr", "commit", "--quiet", "-m", $params{message},
+                      (defined $user ? ("--author", $user) : ()),
+                      $config{srcdir}."/".$params{file});
        if (system(@cmdline) != 0) {
                warn "'@cmdline' failed: $!";
        }
@@ -145,19 +162,18 @@ sub rcs_commit ($$$;$$) {
        return undef; # success
 }
 
-sub rcs_commit_staged ($$$) {
-       # Commits all staged changes. Changes can be staged using rcs_add,
-       # rcs_remove, and rcs_rename.
-       my ($message, $user, $ipaddr)=@_;
+sub rcs_commit_staged (@) {
+       my %params=@_;
 
-       $user = bzr_author($user, $ipaddr);
+       my $user=bzr_author($params{session});
 
-       $message = IkiWiki::possibly_foolish_untaint($message);
-       if (! length $message) {
-               $message = "no message given";
+       $params{message} = IkiWiki::possibly_foolish_untaint($params{message});
+       if (! length $params{message}) {
+               $params{message} = "no message given";
        }
 
-       my @cmdline = ("bzr", "commit", "--quiet", "-m", $message, "--author", $user,
+       my @cmdline = ("bzr", "commit", "--quiet", "-m", $params{message},
+                      (defined $user ? ("--author", $user) : ()),
                       $config{srcdir});
        if (system(@cmdline) != 0) {
                warn "'@cmdline' failed: $!";
@@ -212,7 +228,7 @@ sub rcs_recentchanges ($) {
        foreach my $info (bzr_log($out)) {
                my @pages = ();
                my @message = ();
-        
+
                foreach my $msgline (split(/\n/, $info->{message})) {
                        push @message, { line => $msgline };
                }
@@ -255,14 +271,32 @@ sub rcs_recentchanges ($) {
        return @ret;
 }
 
-sub rcs_getctime ($) {
-       my ($file) = @_;
+sub rcs_diff ($;$) {
+       my $taintedrev=shift;
+       my $maxlines=shift;
+       my ($rev) = $taintedrev =~ /^(\d+(\.\d+)*)$/; # untaint
 
-       # XXX filename passes through the shell here, should try to avoid
-       # that just in case
-       my @cmdline = ("bzr", "log", "--limit", '1', "$config{srcdir}/$file");
+       my $prevspec = "before:" . $rev;
+       my $revspec = "revno:" . $rev;
+       my @cmdline = ("bzr", "diff", "--old", $config{srcdir},
+               "--new", $config{srcdir},
+               "-r", $prevspec . ".." . $revspec);
        open (my $out, "@cmdline |");
+       my @lines;
+       while (my $line=<$out>) {
+               last if defined $maxlines && @lines == $maxlines;
+               push @lines, $line;
+       }
+       if (wantarray) {
+               return @lines;
+       }
+       else {
+               return join("", @lines);
+       }
+}
 
+sub extract_timestamp (@) {
+       open (my $out, "-|", @_);
        my @log = bzr_log($out);
 
        if (length @log < 1) {
@@ -272,8 +306,22 @@ sub rcs_getctime ($) {
        eval q{use Date::Parse};
        error($@) if $@;
        
-       my $ctime = str2time($log[0]->{"timestamp"});
-       return $ctime;
+       my $time = str2time($log[0]->{"timestamp"});
+       return $time;
+}
+
+sub rcs_getctime ($) {
+       my ($file) = @_;
+
+       my @cmdline = ("bzr", "log", "--forward", "--limit", '1', "$config{srcdir}/$file");
+       return extract_timestamp(@cmdline);
+}
+
+sub rcs_getmtime ($) {
+       my ($file) = @_;
+
+       my @cmdline = ("bzr", "log", "--limit", '1', "$config{srcdir}/$file");
+       return extract_timestamp(@cmdline);
 }
 
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