X-Git-Url: http://git.vanrenterghem.biz/git.ikiwiki.info.git/blobdiff_plain/52b16186c407188f27d01e86cd5c985168d976b6..56b9b85e3332fbb920fb74b4dd30574fce6dc469:/IkiWiki/Rcs/git.pm?ds=sidebyside

diff --git a/IkiWiki/Rcs/git.pm b/IkiWiki/Rcs/git.pm
index b538c524f..bcf317002 100644
--- a/IkiWiki/Rcs/git.pm
+++ b/IkiWiki/Rcs/git.pm
@@ -1,16 +1,59 @@
 #!/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{gitorigin_branch}) {
+		$config{gitorigin_branch}="origin";
+	}
+	if (! defined $config{gitmaster_branch}) {
+		$config{gitmaster_branch}="master";
+	}
+}); #}}}
+
+hook(type => "getsetup", id => "git", call => sub { #{{{
+	return
+		historyurl => {
+			type => "string",
+			default => "",
+			example => "http://git.example.com/gitweb.cgi?p=wiki.git;a=history;f=[[file]]",
+			description => "gitweb url to show file history ([[file]] substituted)",
+			safe => 1,
+			rebuild => 1,
+		},
+		diffurl => {
+			type => "string",
+			default => "",
+			example => "http://git.example.com/gitweb.cgi?p=wiki.git;a=blobdiff;h=[[sha1_to]];hp=[[sha1_from]];hb=[[sha1_parent]];f=[[file]]",
+			description => "gitweb url to show a diff ([[sha1_to]], [[sha1_from]], [[sha1_parent]], and [[file]] substituted)",
+			safe => 1,
+			rebuild => 1,
+		},
+		gitorigin_branch => {
+			type => "string",
+			default => "origin",
+			description => "where to pull and push changes (unset to not pull/push)",
+			safe => 0, # paranoia
+			rebuild => 0,
+		},
+		gitmaster_branch => {
+			type => "string",
+			default => "master",
+			description => "branch that the wiki is stored in",
+			safe => 0, # paranoia
+			rebuild => 0,
+		},
+}); #}}}
+
 sub _safe_git (&@) { #{{{
 	# Start a child process safely without resorting /bin/sh.
 	# Return command output or success state (in scalar context).
@@ -180,14 +223,14 @@ sub _parse_diff_tree ($@) { #{{{
 			$ci{ "${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/^$/) {
@@ -197,7 +240,7 @@ sub _parse_diff_tree ($@) { #{{{
 	}
 
 	debug("No 'tree' seen in diff-tree output") if !defined $ci{'tree'};
-
+	
 	if (defined $ci{'parents'}) {
 		$ci{'parent'} = @{ $ci{'parents'} }[0];
 	}
@@ -205,15 +248,13 @@ sub _parse_diff_tree ($@) { #{{{
 		$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 @{ $dt_ref }) {
@@ -247,8 +288,6 @@ sub _parse_diff_tree ($@) { #{{{
 		last;
 	}
 
-	debug("No detail in diff-tree output") if !defined $ci{'details'};
-
 	return \%ci;
 } #}}}
 
@@ -281,7 +320,8 @@ sub git_sha1 (;$) { #{{{
 	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'.") }
@@ -312,22 +352,6 @@ sub rcs_commit ($$$;$$) { #{{{
 
 	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);
@@ -338,18 +362,36 @@ sub rcs_commit ($$$;$$) { #{{{
 		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 ($) { # {{{
 	# Add file to archive.
@@ -359,6 +401,20 @@ sub rcs_add ($) { # {{{
 	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.
 
@@ -370,14 +426,14 @@ sub rcs_recentchanges ($) { #{{{
 	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'},
-			time - $ci->{'author_epoch'}
+			$ci->{'author_epoch'}
 		);
 
-		my (@pages, @messages);
+		my @pages;
 		foreach my $detail (@{ $ci->{'details'} }) {
 			my $file = $detail->{'file'};
 
@@ -392,24 +448,31 @@ sub rcs_recentchanges ($) { #{{{
 				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       => $when,
 			message    => [@messages],
 			pages      => [@pages],
@@ -421,49 +484,21 @@ sub rcs_recentchanges ($) { #{{{
 	return @rets;
 } #}}}
 
-sub rcs_notify () { #{{{
-	# Send notification mail to subscribed users.
-	#
-	# This is typically run as the post-update hook, though some setups
-	# may run it from the post-commit hook too.
-	#
-	# In usual Git usage, hooks/update script is presumed to send
-	# notification mails (see git-receive-pack(1)).  But we prefer
-	# hooks/post-update to support IkiWiki commits coming from a
-	# cloned repository (through command line) because post-update
-	# is called _after_ each ref in repository is updated (update
-	# hook is called _before_ the repository is updated).
-	#
-	# Here, we rely on a simple fact: we can extract all parts of the
-	# notification content by parsing the "HEAD" commit (which also
-	# triggers a refresh of IkiWiki pages).
-
-	my $ci = git_commit_info('HEAD');
-	return if !defined $ci;
-
-	my @changed_pages = map { $_->{'file'} } @{ $ci->{'details'} };
-
-	my ($user, $message);
-	if (@{ $ci->{'comment'} }[0] =~ m/$config{web_commit_regexp}/) {
-		$user    = defined $2 ? "$2" : "$3";
-		$message = $4;
+sub rcs_diff ($) { #{{{
+	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 {
-		$user    = $ci->{'author_username'};
-		$message = join "\n", @{ $ci->{'comment'} };
+		return join("", @lines);
 	}
-
-	my $sha1 = $ci->{'sha1'};
-
-	require IkiWiki::UserInfo;
-	send_commit_mails(
-		sub {
-			$message;
-		},
-		sub {
-			join "\n", run_or_die('git', 'diff', "${sha1}^", $sha1);
-		}, $user, @changed_pages
-	);
 } #}}}
 
 sub rcs_getctime ($) { #{{{