]> git.vanrenterghem.biz Git - git.ikiwiki.info.git/blobdiff - IkiWiki/Plugin/git.pm
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[git.ikiwiki.info.git] / IkiWiki / Plugin / git.pm
index b386ab71bfa6b0d0feffcb53fb167f17c1ac016d..fd57ce1e466de034e457a365a13f8960d04957f3 100644 (file)
@@ -14,6 +14,7 @@ my $no_chdir=0;
 sub import {
        hook(type => "checkconfig", id => "git", call => \&checkconfig);
        hook(type => "getsetup", id => "git", call => \&getsetup);
+       hook(type => "genwrapper", id => "git", 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);
@@ -24,6 +25,7 @@ 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);
        hook(type => "rcs", id => "rcs_receive", call => \&rcs_receive);
 }
 
@@ -39,16 +41,30 @@ sub checkconfig () {
                push @{$config{wrappers}}, {
                        wrapper => $config{git_wrapper},
                        wrappermode => (defined $config{git_wrappermode} ? $config{git_wrappermode} : "06755"),
+                       wrapper_background_command => $config{git_wrapper_background_command},
                };
        }
+
        if (defined $config{git_test_receive_wrapper} &&
-           length $config{git_test_receive_wrapper}) {
+           length $config{git_test_receive_wrapper} &&
+           defined $config{untrusted_committers} &&
+           @{$config{untrusted_committers}}) {
                push @{$config{wrappers}}, {
                        test_receive => 1,
                        wrapper => $config{git_test_receive_wrapper},
                        wrappermode => (defined $config{git_wrappermode} ? $config{git_wrappermode} : "06755"),
                };
        }
+
+       # Avoid notes, parser does not handle and they only slow things down.
+       $ENV{GIT_NOTES_REF}="";
+       
+       # Run receive test only if being called by the wrapper, and not
+       # when generating same.
+       if ($config{test_receive} && ! exists $config{wrapper}) {
+               require IkiWiki::Receive;
+               IkiWiki::Receive::test();
+       }
 }
 
 sub getsetup () {
@@ -56,6 +72,7 @@ sub getsetup () {
                plugin => {
                        safe => 0, # rcs plugin
                        rebuild => undef,
+                       section => "rcs",
                },
                git_wrapper => {
                        type => "string",
@@ -64,6 +81,13 @@ sub getsetup () {
                        safe => 0, # file
                        rebuild => 0,
                },
+               git_wrapper_background_command => {
+                       type => "string",
+                       example => "git push github",
+                       description => "shell command for git_wrapper to run, in the background",
+                       safe => 0, # command
+                       rebuild => 0,
+               },
                git_wrappermode => {
                        type => "string",
                        example => '06755',
@@ -87,7 +111,7 @@ sub getsetup () {
                },
                historyurl => {
                        type => "string",
-                       example => "http://git.example.com/gitweb.cgi?p=wiki.git;a=history;f=[[file]]",
+                       example => "http://git.example.com/gitweb.cgi?p=wiki.git;a=history;f=[[file]];hb=HEAD",
                        description => "gitweb url to show file history ([[file]] substituted)",
                        safe => 1,
                        rebuild => 1,
@@ -115,6 +139,16 @@ sub getsetup () {
                },
 }
 
+sub genwrapper {
+       if ($config{test_receive}) {
+               require IkiWiki::Receive;
+               return IkiWiki::Receive::genwrapper();
+       }
+       else {
+               return "";
+       }
+}
+
 sub safe_git (&@) {
        # Start a child process safely without resorting /bin/sh.
        # Return command output or success state (in scalar context).
@@ -256,11 +290,35 @@ sub merge_past ($$$) {
        return $conflict;
 }
 
-sub parse_diff_tree ($@) {
+{
+my $prefix;
+sub decode_git_file ($) {
+       my $file=shift;
+
+       # git does not output utf-8 filenames, but instead
+       # double-quotes them with the utf-8 characters
+       # escaped as \nnn\nnn.
+       if ($file =~ m/^"(.*)"$/) {
+               ($file=$1) =~ s/\\([0-7]{1,3})/chr(oct($1))/eg;
+       }
+
+       # strip prefix if in a subdir
+       if (! defined $prefix) {
+               ($prefix) = run_or_die('git', 'rev-parse', '--show-prefix');
+               if (! defined $prefix) {
+                       $prefix="";
+               }
+       }
+       $file =~ s/^\Q$prefix\E//;
+
+       return decode("utf8", $file);
+}
+}
+
+sub parse_diff_tree ($) {
        # Parse the raw diff tree chunk and return the info hash.
        # See git-diff-tree(1) for the syntax.
-
-       my ($prefix, $dt_ref) = @_;
+       my $dt_ref = shift;
 
        # End of stream?
        return if !defined @{ $dt_ref } ||
@@ -294,8 +352,9 @@ sub parse_diff_tree ($@) {
                        $ci{ "${who}_epoch" } = $epoch;
                        $ci{ "${who}_tz"    } = $tz;
 
-                       if ($name =~ m/^[^<]+\s+<([^@>]+)/) {
-                               $ci{"${who}_username"} = $1;
+                       if ($name =~ m/^([^<]+)\s+<([^@>]+)/) {
+                               $ci{"${who}_name"} = $1;
+                               $ci{"${who}_username"} = $2;
                        }
                        elsif ($name =~ m/^([^<]+)\s+<>$/) {
                                $ci{"${who}_username"} = $1;
@@ -343,16 +402,9 @@ sub parse_diff_tree ($@) {
                        my $sha1_to = shift(@tmp);
                        my $status = shift(@tmp);
 
-                       # git does not output utf-8 filenames, but instead
-                       # double-quotes them with the utf-8 characters
-                       # escaped as \nnn\nnn.
-                       if ($file =~ m/^"(.*)"$/) {
-                               ($file=$1) =~ s/\\([0-7]{1,3})/chr(oct($1))/eg;
-                       }
-                       $file =~ s/^\Q$prefix\E//;
                        if (length $file) {
                                push @{ $ci{'details'} }, {
-                                       'file'      => decode("utf8", $file),
+                                       'file'      => decode_git_file($file),
                                        'sha1_from' => $sha1_from[0],
                                        'sha1_to'   => $sha1_to,
                                        'mode_from' => $mode_from[0],
@@ -379,10 +431,9 @@ sub git_commit_info ($;$) {
        my @raw_lines = run_or_die('git', 'log', @opts,
                '--pretty=raw', '--raw', '--abbrev=40', '--always', '-c',
                '-r', $sha1, '--', '.');
-       my ($prefix) = run_or_die('git', 'rev-parse', '--show-prefix');
 
        my @ci;
-       while (my $parsed = parse_diff_tree(($prefix or ""), \@raw_lines)) {
+       while (my $parsed = parse_diff_tree(\@raw_lines)) {
                push @ci, $parsed;
        }
 
@@ -400,7 +451,10 @@ sub git_sha1 (;$) {
                '--', $file);
        if ($sha1) {
                ($sha1) = $sha1 =~ m/($sha1_pattern)/; # sha1 is untainted now
-       } else { debug("Empty sha1sum for '$file'.") }
+       }
+       else {
+               debug("Empty sha1sum for '$file'.");
+       }
        return defined $sha1 ? $sha1 : q{};
 }
 
@@ -408,7 +462,7 @@ sub rcs_update () {
        # Update working directory.
 
        if (length $config{gitorigin_branch}) {
-               run_or_cry('git', 'pull', $config{gitorigin_branch});
+               run_or_cry('git', 'pull', '--prune', $config{gitorigin_branch});
        }
 }
 
@@ -420,43 +474,62 @@ sub rcs_prepedit ($) {
        return git_sha1($file);
 }
 
-sub rcs_commit ($$$;$$) {
+sub rcs_commit (@) {
        # Try to commit the page; returns undef on _success_ and
        # a version of the page with the rcs's conflict markers on
        # failure.
-
-       my ($file, $message, $rcstoken, $user, $ipaddr) = @_;
+       my %params=@_;
 
        # Check to see if the page has been changed by someone else since
        # rcs_prepedit was called.
-       my $cur    = git_sha1($file);
-       my ($prev) = $rcstoken =~ /^($sha1_pattern)$/; # untaint
+       my $cur    = git_sha1($params{file});
+       my ($prev) = $params{token} =~ /^($sha1_pattern)$/; # untaint
 
        if (defined $cur && defined $prev && $cur ne $prev) {
-               my $conflict = merge_past($prev, $file, $dummy_commit_msg);
+               my $conflict = merge_past($prev, $params{file}, $dummy_commit_msg);
                return $conflict if defined $conflict;
        }
 
-       rcs_add($file); 
-       return rcs_commit_staged($message, $user, $ipaddr);
+       rcs_add($params{file});
+       return rcs_commit_staged(
+               message => $params{message},
+               session => $params{session},
+       );
 }
 
-sub rcs_commit_staged ($$$) {
+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 %params=@_;
+       
        my %env=%ENV;
-       if (defined $user || defined $ipaddr) {
-               my $u=encode_utf8(defined $user ? $user : $ipaddr);
-               $ENV{GIT_AUTHOR_NAME}=$u;
-               $ENV{GIT_AUTHOR_EMAIL}="$u\@web";
+
+       if (defined $params{session}) {
+               # Set the commit author and email based on web session info.
+               my $u;
+               if (defined $params{session}->param("name")) {
+                       $u=$params{session}->param("name");
+               }
+               elsif (defined $params{session}->remote_addr()) {
+                       $u=$params{session}->remote_addr();
+               }
+               if (defined $u) {
+                       $u=encode_utf8($u);
+                       $ENV{GIT_AUTHOR_NAME}=$u;
+               }
+               if (defined $params{session}->param("nickname")) {
+                       $u=encode_utf8($params{session}->param("nickname"));
+                       $u=~s/\s+/_/g;
+                       $u=~s/[^-_0-9[:alnum:]]+//g;
+               }
+               if (defined $u) {
+                       $ENV{GIT_AUTHOR_EMAIL}="$u\@web";
+               }
        }
 
-       $message = IkiWiki::possibly_foolish_untaint($message);
+       $params{message} = IkiWiki::possibly_foolish_untaint($params{message});
        my @opts;
-       if ($message !~ /\S/) {
+       if ($params{message} !~ /\S/) {
                # Force git to allow empty commit messages.
                # (If this version of git supports it.)
                my ($version)=`git --version` =~ /git version (.*)/;
@@ -464,13 +537,13 @@ sub rcs_commit_staged ($$$) {
                        push @opts, '--cleanup=verbatim';
                }
                else {
-                       $message.=".";
+                       $params{message}.=".";
                }
        }
        push @opts, '-q';
        # git commit returns non-zero if file has not been really changed.
        # so we should ignore its exit status (hence run_or_non).
-       if (run_or_non('git', 'commit', @opts, '-m', $message)) {
+       if (run_or_non('git', 'commit', @opts, '-m', $params{message})) {
                if (length $config{gitorigin_branch}) {
                        run_or_cry('git', 'push', $config{gitorigin_branch});
                }
@@ -547,7 +620,16 @@ sub rcs_recentchanges ($) {
 
                my $user=$ci->{'author_username'};
                my $web_commit = ($ci->{'author'} =~ /\@web>/);
-               
+               my $nickname;
+
+               # Set nickname only if a non-url author_username is available,
+               # and author_name is an url.
+               if ($user !~ /:\/\// && defined $ci->{'author_name'} &&
+                   $ci->{'author_name'} =~ /:\/\//) {
+                       $nickname=$user;
+                       $user=$ci->{'author_name'};
+               }
+
                # compatability code for old web commit messages
                if (! $web_commit &&
                      defined $messages[0] &&
@@ -560,6 +642,7 @@ sub rcs_recentchanges ($) {
                push @rets, {
                        rev        => $sha1,
                        user       => $user,
+                       nickname   => $nickname,
                        committype => $web_commit ? "web" : "git",
                        when       => $when,
                        message    => [@messages],
@@ -589,17 +672,50 @@ sub rcs_diff ($) {
        }
 }
 
+{
+my %time_cache;
+
+sub findtimes ($$) {
+       my $file=shift;
+       my $id=shift; # 0 = mtime ; 1 = ctime
+
+       if (! keys %time_cache) {
+               my $date;
+               foreach my $line (run_or_die('git', 'log',
+                               '--pretty=format:%ct',
+                               '--name-only', '--relative')) {
+                       if (! defined $date && $line =~ /^(\d+)$/) {
+                               $date=$line;
+                       }
+                       elsif (! length $line) {
+                               $date=undef;
+                       }
+                       else {
+                               my $f=decode_git_file($line);
+
+                               if (! $time_cache{$f}) {
+                                       $time_cache{$f}[0]=$date; # mtime
+                               }
+                               $time_cache{$f}[1]=$date; # ctime
+                       }
+               }
+       }
+
+       return exists $time_cache{$file} ? $time_cache{$file}[$id] : 0;
+}
+
+}
+
 sub rcs_getctime ($) {
        my $file=shift;
-       # Remove srcdir prefix
-       $file =~ s/^\Q$config{srcdir}\E\/?//;
 
-       my $sha1  = git_sha1($file);
-       my $ci    = git_commit_info($sha1, 1);
-       my $ctime = $ci->{'author_epoch'};
-       debug("ctime for '$file': ". localtime($ctime));
+       return findtimes($file, 1);
+}
+
+sub rcs_getmtime ($) {
+       my $file=shift;
 
-       return $ctime;
+       return findtimes($file, 0);
 }
 
 sub rcs_receive () {