#!/usr/bin/perl
+package IkiWiki;
+
use warnings;
use strict;
use IkiWiki;
use Encode;
use open qw{:utf8 :std};
-package IkiWiki;
-
my $sha1_pattern = qr/[0-9a-fA-F]{40}/; # pattern to validate Git sha1sums
my $dummy_commit_msg = 'dummy commit'; # message to skip in recent changes
+hook(type => "checkconfig", id => "git", call => sub { #{{{
+ if (! defined $config{diffurl}) {
+ $config{diffurl}="";
+ }
+ if (! defined $config{gitorigin_branch}) {
+ $config{gitorigin_branch}="origin";
+ }
+ if (! defined $config{gitmaster_branch}) {
+ $config{gitmaster_branch}="master";
+ }
+ if (exists $config{git_wrapper}) {
+ push @{$config{wrappers}}, {
+ wrapper => $config{git_wrapper},
+ wrappermode => (defined $config{git_wrappermode} ? $config{git_wrappermode} : "06755"),
+ };
+ }
+}); #}}}
+
+hook(type => "getsetup", id => "git", call => sub { #{{{
+ return
+ git_wrapper => {
+ type => "string",
+ example => "/git/wiki.git/hooks/post-update",
+ description => "git post-update executable to generate",
+ safe => 0, # file
+ rebuild => 0,
+ },
+ git_wrappermode => {
+ type => "string",
+ example => '06755',
+ description => "mode for git_wrapper (can safely be made suid)",
+ safe => 0,
+ rebuild => 0,
+ },
+ historyurl => {
+ type => "string",
+ example => "http://git.example.com/gitweb.cgi?p=wiki.git;a=history;f=[[file]]",
+ description => "gitweb url to show file history ([[file]] substituted)",
+ safe => 1,
+ rebuild => 1,
+ },
+ diffurl => {
+ type => "string",
+ example => "http://git.example.com/gitweb.cgi?p=wiki.git;a=blobdiff;h=[[sha1_to]];hp=[[sha1_from]];hb=[[sha1_parent]];f=[[file]]",
+ description => "gitweb url to show a diff ([[sha1_to]], [[sha1_from]], [[sha1_parent]], and [[file]] substituted)",
+ safe => 1,
+ rebuild => 1,
+ },
+ gitorigin_branch => {
+ type => "string",
+ example => "origin",
+ description => "where to pull and push changes (set to empty string to disable)",
+ safe => 0, # paranoia
+ rebuild => 0,
+ },
+ gitmaster_branch => {
+ type => "string",
+ example => "master",
+ description => "branch that the wiki is stored in",
+ safe => 0, # paranoia
+ rebuild => 0,
+ },
+}); #}}}
+
sub _safe_git (&@) { #{{{
# Start a child process safely without resorting /bin/sh.
# Return command output or success state (in scalar context).
$ci{ "${who}_epoch" } = $epoch;
$ci{ "${who}_tz" } = $tz;
- if ($name =~ m/^([^<]+) <([^@>]+)/) {
- my ($fullname, $username) = ($1, $2);
- $ci{"${who}_fullname"} = $fullname;
- $ci{"${who}_username"} = $username;
+ if ($name =~ m/^[^<]+\s+<([^@>]+)/) {
+ $ci{"${who}_username"} = $1;
+ }
+ elsif ($name =~ m/^([^<]+)\s+<>$/) {
+ $ci{"${who}_username"} = $1;
}
else {
- $ci{"${who}_fullname"} =
- $ci{"${who}_username"} = $name;
+ $ci{"${who}_username"} = $name;
}
}
elsif ($line =~ m/^$/) {
}
debug("No 'tree' seen in diff-tree output") if !defined $ci{'tree'};
-
+
if (defined $ci{'parents'}) {
$ci{'parent'} = @{ $ci{'parents'} }[0];
}
$ci{'parent'} = 0 x 40;
}
- # Commit message.
- while (my $line = shift @{ $dt_ref }) {
- if ($line =~ m/^$/) {
- # Trailing empty line signals next section.
- last;
- };
+ # Commit message (optional).
+ while ($dt_ref->[0] =~ /^ /) {
+ my $line = shift @{ $dt_ref };
$line =~ s/^ //;
push @{ $ci{'comment'} }, $line;
}
+ shift @{ $dt_ref } if $dt_ref->[0] =~ /^$/;
# Modified files.
while (my $line = shift @{ $dt_ref }) {
my $file = shift || q{--};
# Ignore error since a non-existing file might be given.
- my ($sha1) = run_or_non('git', 'rev-list', '--max-count=1', 'HEAD', $file);
+ my ($sha1) = run_or_non('git', 'rev-list', '--max-count=1', 'HEAD',
+ '--', $file);
if ($sha1) {
($sha1) = $sha1 =~ m/($sha1_pattern)/; # sha1 is untainted now
} else { debug("Empty sha1sum for '$file'.") }
my ($file, $message, $rcstoken, $user, $ipaddr) = @_;
- if (defined $user) {
- $message = "web commit by $user" .
- (length $message ? ": $message" : "");
- }
- elsif (defined $ipaddr) {
- $message = "web commit from $ipaddr" .
- (length $message ? ": $message" : "");
- }
-
- # XXX: Wiki directory is in the unlocked state when starting this
- # action. But it takes time for a Git process to finish its job
- # (especially if a merge required), so we must re-lock to prevent
- # race conditions. Only when the time of the real commit action
- # (i.e. git push) comes, we'll unlock the directory.
- lockwiki();
-
# Check to see if the page has been changed by someone else since
# rcs_prepedit was called.
my $cur = git_sha1($file);
return $conflict if defined $conflict;
}
+ rcs_add($file);
+ return rcs_commit_staged($message, $user, $ipaddr);
+} #}}}
+
+sub rcs_commit_staged ($$$) {
+ # Commits all staged changes. Changes can be staged using rcs_add,
+ # rcs_remove, and rcs_rename.
+ my ($message, $user, $ipaddr)=@_;
+
+ # Set the commit author and email to the web committer.
+ my %env=%ENV;
+ if (defined $user || defined $ipaddr) {
+ my $u=defined $user ? $user : $ipaddr;
+ $ENV{GIT_AUTHOR_NAME}=$u;
+ $ENV{GIT_AUTHOR_EMAIL}="$u\@web";
+ }
+
# git commit returns non-zero if file has not been really changed.
# so we should ignore its exit status (hence run_or_non).
$message = possibly_foolish_untaint($message);
- if (run_or_non('git', 'commit', '-q', '-m', $message, '-i', $file)) {
- unlockwiki();
+ if (run_or_non('git', 'commit', '--cleanup=verbatim',
+ '-q', '-m', $message)) {
if (length $config{gitorigin_branch}) {
run_or_cry('git', 'push', $config{gitorigin_branch});
}
}
-
+
+ %ENV=%env;
return undef; # success
-} #}}}
+}
sub rcs_add ($) { # {{{
# Add file to archive.
run_or_cry('git', 'add', $file);
} #}}}
+sub rcs_remove ($) { # {{{
+ # Remove file from archive.
+
+ my ($file) = @_;
+
+ run_or_cry('git', 'rm', '-f', $file);
+} #}}}
+
+sub rcs_rename ($$) { # {{{
+ my ($src, $dest) = @_;
+
+ run_or_cry('git', 'mv', '-f', $src, $dest);
+} #}}}
+
sub rcs_recentchanges ($) { #{{{
# List of recent changes.
my @rets;
foreach my $ci (git_commit_info('HEAD', $num)) {
# Skip redundant commits.
- next if (@{$ci->{'comment'}}[0] eq $dummy_commit_msg);
+ next if ($ci->{'comment'} && @{$ci->{'comment'}}[0] eq $dummy_commit_msg);
my ($sha1, $when) = (
$ci->{'sha1'},
$ci->{'author_epoch'}
);
- my (@pages, @messages);
+ my @pages;
foreach my $detail (@{ $ci->{'details'} }) {
my $file = $detail->{'file'};
diffurl => $diffurl,
};
}
- push @messages, { line => $_ } foreach @{$ci->{'comment'}};
- my ($user, $type) = (q{}, "web");
+ my @messages;
+ my $pastblank=0;
+ foreach my $line (@{$ci->{'comment'}}) {
+ $pastblank=1 if $line eq '';
+ next if $pastblank && $line=~m/^ *(signed[ \-]off[ \-]by[ :]|acked[ \-]by[ :]|cc[ :])/i;
+ push @messages, { line => $line };
+ }
- if (defined $messages[0] &&
- $messages[0]->{line} =~ m/$config{web_commit_regexp}/) {
+ my $user=$ci->{'author_username'};
+ my $web_commit = ($ci->{'author'} =~ /\@web>/);
+
+ # compatability code for old web commit messages
+ if (! $web_commit &&
+ defined $messages[0] &&
+ $messages[0]->{line} =~ m/$config{web_commit_regexp}/) {
$user = defined $2 ? "$2" : "$3";
$messages[0]->{line} = $4;
- }
- else {
- $type ="git";
- $user = $ci->{'author_username'};
+ $web_commit=1;
}
push @rets, {
rev => $sha1,
user => $user,
- committype => $type,
+ committype => $web_commit ? "web" : "git",
when => $when,
message => [@messages],
pages => [@pages],
return @rets;
} #}}}
+sub rcs_diff ($) { #{{{
+ my $rev=shift;
+ my ($sha1) = $rev =~ /^($sha1_pattern)$/; # untaint
+ my @lines;
+ foreach my $line (run_or_non("git", "show", $sha1)) {
+ if (@lines || $line=~/^diff --git/) {
+ push @lines, $line."\n";
+ }
+ }
+ if (wantarray) {
+ return @lines;
+ }
+ else {
+ return join("", @lines);
+ }
+} #}}}
+
sub rcs_getctime ($) { #{{{
my $file=shift;
# Remove srcdir prefix