+#!/usr/bin/perl
# Support for the darcs rcs, <URL:http://darcs.net/>.
# Copyright (C) 2006 Thomas Schwinge <tschwinge@gnu.org>
# 2007 Benjamin A'Lee <bma@bmalee.eu>
# you must not 'darcs push' into this repository, as this might create
# race conditions, as I understand it.
-
package IkiWiki::Plugin::darcs;
use warnings;
use strict;
use IkiWiki;
-
sub import {
hook(type => "checkconfig", id => "darcs", call => \&checkconfig);
hook(type => "getsetup", id => "darcs", call => \&getsetup);
hook(type => "rcs", id => "rcs_getctime", call => \&rcs_getctime);
}
-
-# Internal functions
-
sub silentsystem (@) {
open(SAVED_STDOUT, ">&STDOUT");
open(STDOUT, ">/dev/null");
}
sub file_in_vc($$) {
- my $repodir = shift;
- my $file = shift;
+ my $repodir = shift;
+ my $file = shift;
my $child = open(DARCS_MANIFEST, "-|");
if (! $child) {
my $file = shift; # Relative to the repodir.
my $repodir = $config{srcdir};
- return "" if (! file_in_vc($repodir, $file));
+ return "" if (! file_in_vc($repodir, $file));
my $hash = darcs_info('hash', $repodir, $file);
return defined $hash ? $hash : "";
}
-
-# Exported functions.
-
sub checkconfig() {
if (defined $config{darcs_wrapper} && length $config{darcs_wrapper}) {
push @{$config{wrappers}}, {
sub getsetup() {
return
- plugin => {
- safe => 0, # rcs plugin
- rebuild => undef,
- },
- darcs_wrapper => {
- type => "string",
- example => "/darcs/repo/_darcs/ikiwiki-wrapper",
- description => "wrapper to generate (set as master repo apply hook)",
- safe => 0, # file
- rebuild => 0,
- },
- darcs_wrappermode => {
- type => "string",
- example => '06755',
- description => "mode for darcs_wrapper (can safely be made suid)",
- safe => 0,
- rebuild => 0,
- },
- historyurl => {
- type => "string",
- example => "http://darcs.example.com/darcsweb.cgi?r=wiki;a=filehistory;f=[[file]]",
- description => "darcsweb url to show file history ([[file]] substituted)",
- safe => 1,
- rebuild => 1,
- },
- diffurl => {
- type => "string",
- example => "http://darcs.example.com/darcsweb.cgi?r=wiki;a=filediff;h=[[hash]];f=[[file]]",
- description => "darcsweb url to show a diff ([[hash]] and [[file]] substituted)",
- safe => 1,
- rebuild => 1,
- },
+ plugin => {
+ safe => 0, # rcs plugin
+ rebuild => undef,
+ },
+ darcs_wrapper => {
+ type => "string",
+ example => "/darcs/repo/_darcs/ikiwiki-wrapper",
+ description => "wrapper to generate (set as master repo apply hook)",
+ safe => 0, # file
+ rebuild => 0,
+ },
+ darcs_wrappermode => {
+ type => "string",
+ example => '06755',
+ description => "mode for darcs_wrapper (can safely be made suid)",
+ safe => 0,
+ rebuild => 0,
+ },
+ historyurl => {
+ type => "string",
+ example => "http://darcs.example.com/darcsweb.cgi?r=wiki;a=filehistory;f=[[file]]",
+ description => "darcsweb url to show file history ([[file]] substituted)",
+ safe => 1,
+ rebuild => 1,
+ },
+ diffurl => {
+ type => "string",
+ example => "http://darcs.example.com/darcsweb.cgi?r=wiki;a=filediff;h=[[hash]];f=[[file]]",
+ description => "darcsweb url to show a diff ([[hash]] and [[file]] substituted)",
+ safe => 1,
+ rebuild => 1,
+ },
}
sub rcs_update () {
# Prepares to edit a file under revision control. Returns a token that
# must be passed to rcs_commit() when the file is to be commited. For us,
# this token the hash value of the latest patch that modifies the file,
- # i.e. something like its current revision. If the file is not yet added
- # to the repository, we return TODO: the empty string.
+ # i.e. something like its current revision.
my $file = shift; # Relative to the repodir.
my $rev = darcs_rev($file);
# Yes, the following is a bit convoluted.
if ($changed) {
- # TODO. Invent a better, non-conflicting name.
- rename("$config{srcdir}/$file", "$config{srcdir}/$file.save") or
- error("failed to rename $file to $file.save: $!");
-
- # Roll the repository back to $rcstoken.
-
- # TODO. Can we be sure that no changes are lost? I think that
- # we can, if we make sure that the 'darcs push' below will always
- # succeed.
-
- # We need to revert everything as 'darcs obliterate' might choke
- # otherwise.
- # TODO: 'yes | ...' needed? Doesn't seem so.
- silentsystem('darcs', "revert", "--repodir", $config{srcdir}, "--all") and
- error("'darcs revert' failed");
- # Remove all patches starting at $rcstoken.
- my $child = open(DARCS_OBLITERATE, "|-");
- if (! $child) {
- open(STDOUT, ">/dev/null");
- exec('darcs', "obliterate", "--repodir", $config{srcdir},
- "--match", "hash " . $rcstoken) and
- error("'darcs obliterate' failed");
- }
- while (print DARCS_OBLITERATE "y") {
- ;
- }
- close(DARCS_OBLITERATE);
- # Restore the $rcstoken one.
- silentsystem('darcs', "pull", "--quiet", "--repodir", $config{srcdir},
- "--match", "hash " . $rcstoken, "--all") and
- error("'darcs pull' failed");
-
- # We're back at $rcstoken. Re-install the modified file.
- rename("$config{srcdir}/$file.save", "$config{srcdir}/$file") or
- error("failed to rename $file.save to $file: $!");
+ # TODO. Invent a better, non-conflicting name.
+ rename("$config{srcdir}/$file", "$config{srcdir}/$file.save") or
+ error("failed to rename $file to $file.save: $!");
+
+ # Roll the repository back to $rcstoken.
+
+ # TODO. Can we be sure that no changes are lost? I think that
+ # we can, if we make sure that the 'darcs push' below will always
+ # succeed.
+
+ # We need to revert everything as 'darcs obliterate' might choke
+ # otherwise.
+ # TODO: 'yes | ...' needed? Doesn't seem so.
+ silentsystem('darcs', "revert", "--repodir", $config{srcdir}, "--all") == 0 ||
+ error("'darcs revert' failed");
+ # Remove all patches starting at $rcstoken.
+ my $child = open(DARCS_OBLITERATE, "|-");
+ if (! $child) {
+ open(STDOUT, ">/dev/null");
+ exec('darcs', "obliterate", "--repodir", $config{srcdir},
+ "--match", "hash " . $rcstoken) and
+ error("'darcs obliterate' failed");
+ }
+ 1 while print DARCS_OBLITERATE "y";
+ close(DARCS_OBLITERATE);
+ # Restore the $rcstoken one.
+ silentsystem('darcs', "pull", "--quiet", "--repodir", $config{srcdir},
+ "--match", "hash " . $rcstoken, "--all") == 0 ||
+ error("'darcs pull' failed");
+
+ # We're back at $rcstoken. Re-install the modified file.
+ rename("$config{srcdir}/$file.save", "$config{srcdir}/$file") or
+ error("failed to rename $file.save to $file: $!");
}
# Record the changes.
my $author;
if (defined $user) {
$author = "$user\@web";
- } elsif (defined $ipaddr) {
+ }
+ elsif (defined $ipaddr) {
$author = "$ipaddr\@web";
- } else {
+ }
+ else {
$author = "anon\@web";
}
if (!defined $message || !length($message)) {
$message = "empty message";
}
silentsystem('darcs', 'record', '--repodir', $config{srcdir}, '--all',
- '-m', $message, '--author', $author, $file) and
+ '-m', $message, '--author', $author, $file) == 0 ||
error("'darcs record' failed");
# Update the repository by pulling from the default repository, which is
# master repository.
silentsystem('darcs', "pull", "--quiet", "--repodir", $config{srcdir},
- "--all") and error("'darcs pull' failed");
+ "--all") !=0 || error("'darcs pull' failed");
# If this updating yields any conflicts, we'll record them now to resolve
# them. If nothing is recorded, there are no conflicts.
# TODO: Use only the first line here, i.e. only the patch name?
writefile("$file.log", $config{srcdir}, 'resolve conflicts: ' . $message);
silentsystem('darcs', 'record', '--repodir', $config{srcdir}, '--all',
- '-m', 'resolve conflicts: ' . $message, '--author', $author, $file) and
+ '-m', 'resolve conflicts: ' . $message, '--author', $author, $file) == 0 ||
error("'darcs record' failed");
my $conflicts = darcs_rev($file) ne $rcstoken;
unlink("$config{srcdir}/$file.log") or
- error("failed to remove '$file.log'");
+ error("failed to remove '$file.log'");
# Push the changes to the main repository.
- silentsystem('darcs', 'push', '--quiet', '--repodir', $config{srcdir}, '--all')
- and error("'darcs push' failed");
+ silentsystem('darcs', 'push', '--quiet', '--repodir', $config{srcdir}, '--all') == 0 ||
+ error("'darcs push' failed");
# TODO: darcs send?
if ($conflicts) {
my $document = readfile("$config{srcdir}/$file");
# Try to leave everything in a consistent state.
# TODO: 'yes | ...' needed? Doesn't seem so.
- silentsystem('darcs', "revert", "--repodir", $config{srcdir}, "--all") and
+ silentsystem('darcs', "revert", "--repodir", $config{srcdir}, "--all") == 0 ||
warn("'darcs revert' failed");
return $document;
- } else {
+ }
+ else {
return undef;
}
}
my $author;
if (defined $user) {
$author = "$user\@web";
- } elsif (defined $ipaddr) {
+ }
+ elsif (defined $ipaddr) {
$author = "$ipaddr\@web";
- } else {
+ }
+ else {
$author = "anon\@web";
}
if (!defined $message || !length($message)) {
}
silentsystem('darcs', "record", "--repodir", $config{srcdir}, "-a", "-A", $author,
- "-m", $message) and error("'darcs record' failed");
+ "-m", $message) == 0 || error("'darcs record' failed");
# Push the changes to the main repository.
- silentsystem('darcs', 'push', '--quiet', '--repodir', $config{srcdir}, '--all')
- and error("'darcs push' failed");
+ silentsystem('darcs', 'push', '--quiet', '--repodir', $config{srcdir}, '--all') == 0 ||
+ error("'darcs push' failed");
# TODO: darcs send?
return undef;
if(! file_in_vc($config{srcdir}, $file)) {
# Intermediate directories will be added automagically.
system('darcs', 'add', '--quiet', '--repodir', $config{srcdir},
- '--boring', $file) and error("'darcs add' failed");
+ '--boring', $file) == 0 || error("'darcs add' failed");
}
}
my $a = shift; # Relative to the repodir.
my $b = shift; # Relative to the repodir.
- system('darcs', 'mv', '--repodir', $config{srcdir}, $a, $b)
- and error("'darcs mv' failed");
+ system('darcs', 'mv', '--repodir', $config{srcdir}, $a, $b) == 0 ||
+ error("'darcs mv' failed");
}
sub rcs_recentchanges ($) {
push @pages, $_ for (@{$patch->{summary}->[0]->{modify_file}});
push @pages, $_ for (@{$patch->{summary}->[0]->{add_file}});
push @pages, $_ for (@{$patch->{summary}->[0]->{remove_file}});
- for (@pages) {
- my $f = $_;
- $f = $_->{content} if (ref $_);
+ foreach my $f (@pages) {
+ $f = $f->{content} if ref $f;
$f =~ s,^\s+,,; $f =~ s,\s+$,,; # cut whitespace
push @files, $f;
}
- for (@{$patch->{summary}->[0]->{move}}) {
- my $p = $_;
+ foreach my $p (@{$patch->{summary}->[0]->{move}}) {
push @files, $p->{from};
}
- for (@files) {
- my $f = $_;
+ foreach my $f (@files) {
my $d = defined $config{'diffurl'} ? $config{'diffurl'} : "";
$d =~ s/\[\[file\]\]/$f/go;
$d =~ s/\[\[hash\]\]/$hash/go;
. scalar @pg . " changes)");
my @message;
- push @message, { line => $_ } for (@{$patch->{name}});
+ push @message, { line => $_ } foreach (@{$patch->{name}});
my $committype;
if ($patch->{author} =~ /\@web$/) {
$committype = "web";
- } else {
+ }
+ else {
$committype = "darcs";
}
}
my $data;
- $data .= $_ while(<LOG>);
+ {
+ local $/=undef;
+ $data = <LOG>;
+ }
close LOG;
my $log = XMLin($data, ForceArray => 1);
- my $datestr=$log->{patch}[0]->{local_date};
+ my $datestr = $log->{patch}[0]->{local_date};
if (! defined $datestr) {
warn "failed to get ctime for $filer";
return 0;
}
- my $date=str2time($datestr);
-
- #debug("found ctime ".localtime($date)." for $filer");
+ my $date = str2time($datestr);
+
+ debug("ctime for '$file': ". localtime($date));
return $date;
}
1
-
-# vim: ts=4 sw=4 noet