X-Git-Url: https://git.ladys.computer/Gitweb/blobdiff_plain/f73ac309a1a55a0d027b1f8c33df57bcdd9f5880fa841d64e97d1cf61de5b49d..b1c749be7ff021fd80d80f61de98ed87253e3e85f9785fe96f91248fed8640ce:/gitweb.perl diff --git a/gitweb.perl b/gitweb.perl index 9b620f9..421727d 100755 --- a/gitweb.perl +++ b/gitweb.perl @@ -121,7 +121,7 @@ our %feature = ( # To disable system wide have in $GITWEB_CONFIG # $feature{'snapshot'}{'default'} = [undef]; # To have project specific config enable override in $GITWEB_CONFIG - # $feature{'blame'}{'override'} = 1; + # $feature{'snapshot'}{'override'} = 1; # and in project config gitweb.snapshot = none|gzip|bzip2; 'snapshot' => { 'sub' => \&feature_snapshot, @@ -435,6 +435,7 @@ my %actions = ( "tags" => \&git_tags, "tree" => \&git_tree, "snapshot" => \&git_snapshot, + "object" => \&git_object, # those below don't need $project "opml" => \&git_opml, "project_list" => \&git_project_list, @@ -828,14 +829,12 @@ sub format_log_line_html { my $line = shift; $line = esc_html($line, -nbsp=>1); - if ($line =~ m/([0-9a-fA-F]{40})/) { + if ($line =~ m/([0-9a-fA-F]{8,40})/) { my $hash_text = $1; - if (git_get_type($hash_text) eq "commit") { - my $link = - $cgi->a({-href => href(action=>"commit", hash=>$hash_text), - -class => "text"}, $hash_text); - $line =~ s/$hash_text/$link/; - } + my $link = + $cgi->a({-href => href(action=>"object", hash=>$hash_text), + -class => "text"}, $hash_text); + $line =~ s/$hash_text/$link/; } return $line; } @@ -1990,12 +1989,73 @@ sub git_print_log ($;%) { } } +# return link target (what link points to) +sub git_get_link_target { + my $hash = shift; + my $link_target; + + # read link + open my $fd, "-|", git_cmd(), "cat-file", "blob", $hash + or return; + { + local $/; + $link_target = <$fd>; + } + close $fd + or return; + + return $link_target; +} + +# given link target, and the directory (basedir) the link is in, +# return target of link relative to top directory (top tree); +# return undef if it is not possible (including absolute links). +sub normalize_link_target { + my ($link_target, $basedir, $hash_base) = @_; + + # we can normalize symlink target only if $hash_base is provided + return unless $hash_base; + + # absolute symlinks (beginning with '/') cannot be normalized + return if (substr($link_target, 0, 1) eq '/'); + + # normalize link target to path from top (root) tree (dir) + my $path; + if ($basedir) { + $path = $basedir . '/' . $link_target; + } else { + # we are in top (root) tree (dir) + $path = $link_target; + } + + # remove //, /./, and /../ + my @path_parts; + foreach my $part (split('/', $path)) { + # discard '.' and '' + next if (!$part || $part eq '.'); + # handle '..' + if ($part eq '..') { + if (@path_parts) { + pop @path_parts; + } else { + # link leads outside repository (outside top dir) + return; + } + } else { + push @path_parts, $part; + } + } + $path = join('/', @path_parts); + + return $path; +} + # print tree entry (row of git_tree), but without encompassing element sub git_print_tree_entry { my ($t, $basedir, $hash_base, $have_blame) = @_; my %base_key = (); - $base_key{hash_base} = $hash_base if defined $hash_base; + $base_key{'hash_base'} = $hash_base if defined $hash_base; # The format of a table row is: mode list link. Where mode is # the mode of the entry, list is the name of the entry, an href, @@ -2006,16 +2066,31 @@ sub git_print_tree_entry { print "" . $cgi->a({-href => href(action=>"blob", hash=>$t->{'hash'}, file_name=>"$basedir$t->{'name'}", %base_key), - -class => "list"}, esc_path($t->{'name'})) . "\n"; + -class => "list"}, esc_path($t->{'name'})); + if (S_ISLNK(oct $t->{'mode'})) { + my $link_target = git_get_link_target($t->{'hash'}); + if ($link_target) { + my $norm_target = normalize_link_target($link_target, $basedir, $hash_base); + if (defined $norm_target) { + print " -> " . + $cgi->a({-href => href(action=>"object", hash_base=>$hash_base, + file_name=>$norm_target), + -title => $norm_target}, esc_path($link_target)); + } else { + print " -> " . esc_path($link_target); + } + } + } + print "\n"; print ""; print $cgi->a({-href => href(action=>"blob", hash=>$t->{'hash'}, - file_name=>"$basedir$t->{'name'}", %base_key)}, - "blob"); + file_name=>"$basedir$t->{'name'}", %base_key)}, + "blob"); if ($have_blame) { print " | " . $cgi->a({-href => href(action=>"blame", hash=>$t->{'hash'}, - file_name=>"$basedir$t->{'name'}", %base_key)}, - "blame"); + file_name=>"$basedir$t->{'name'}", %base_key)}, + "blame"); } if (defined $hash_base) { print " | " . @@ -2037,8 +2112,8 @@ sub git_print_tree_entry { print "\n"; print ""; print $cgi->a({-href => href(action=>"tree", hash=>$t->{'hash'}, - file_name=>"$basedir$t->{'name'}", %base_key)}, - "tree"); + file_name=>"$basedir$t->{'name'}", %base_key)}, + "tree"); if (defined $hash_base) { print " | " . $cgi->a({-href => href(action=>"history", hash_base=>$hash_base, @@ -3230,10 +3305,13 @@ sub git_blob { open my $fd, "-|", git_cmd(), "cat-file", "blob", $hash or die_error(undef, "Couldn't cat $file_name, $hash"); my $mimetype = blob_mimetype($fd, $file_name); - if ($mimetype !~ m/^text\//) { + if ($mimetype !~ m!^(?:text/|image/(?:gif|png|jpeg)$)!) { close $fd; return git_blob_plain($mimetype); } + # we can have blame only for text/* mimetype + $have_blame &&= ($mimetype =~ m!^text/!); + git_header_html(undef, $expires); my $formats_nav = ''; if (defined $hash_base && (my %co = parse_commit($hash_base))) { @@ -3270,13 +3348,24 @@ sub git_blob { } git_print_page_path($file_name, "blob", $hash_base); print "
\n"; - my $nr; - while (my $line = <$fd>) { - chomp $line; - $nr++; - $line = untabify($line); - printf "
%4i %s
\n", - $nr, $nr, $nr, esc_html($line, -nbsp=>1); + if ($mimetype =~ m!^text/!) { + my $nr; + while (my $line = <$fd>) { + chomp $line; + $nr++; + $line = untabify($line); + printf "
%4i %s
\n", + $nr, $nr, $nr, esc_html($line, -nbsp=>1); + } + } elsif ($mimetype =~ m!^image/!) { + print qq!$file_name$hash, + hash_base=>$hash_base, file_name=>$file_name) . + qq!" />\n!; } close $fd or print "Reading blob failed.\n"; @@ -3401,8 +3490,7 @@ sub git_snapshot { my $filename = basename($project) . "-$hash.tar.$suffix"; print $cgi->header( - -type => 'application/x-tar', - -content_encoding => $ctype, + -type => "application/$ctype", -content_disposition => 'inline; filename="' . "$filename" . '"', -status => '200 OK'); @@ -3485,14 +3573,19 @@ sub git_commit { my %cd = parse_date($co{'committer_epoch'}, $co{'committer_tz'}); my $parent = $co{'parent'}; + my $parents = $co{'parents'}; if (!defined $parent) { $parent = "--root"; } - open my $fd, "-|", git_cmd(), "diff-tree", '-r', "--no-commit-id", - @diff_opts, $parent, $hash, "--" - or die_error(undef, "Open git-diff-tree failed"); - my @difftree = map { chomp; $_ } <$fd>; - close $fd or die_error(undef, "Reading git-diff-tree failed"); + my @difftree; + if (@$parents <= 1) { + # difftree output is not printed for merges + open my $fd, "-|", git_cmd(), "diff-tree", '-r', "--no-commit-id", + @diff_opts, $parent, $hash, "--" + or die_error(undef, "Open git-diff-tree failed"); + @difftree = map { chomp; $_ } <$fd>; + close $fd or die_error(undef, "Reading git-diff-tree failed"); + } # non-textual hash id's can be cached my $expires; @@ -3554,7 +3647,7 @@ sub git_commit { } print "" . "\n"; - my $parents = $co{'parents'}; + foreach my $par (@$parents) { print "" . "parent" . @@ -3576,11 +3669,61 @@ sub git_commit { git_print_log($co{'comment'}); print "
\n"; - git_difftree_body(\@difftree, $hash, $parent); + if (@$parents <= 1) { + # do not output difftree/whatchanged for merges + git_difftree_body(\@difftree, $hash, $parent); + } git_footer_html(); } +sub git_object { + # object is defined by: + # - hash or hash_base alone + # - hash_base and file_name + my $type; + + # - hash or hash_base alone + if ($hash || ($hash_base && !defined $file_name)) { + my $object_id = $hash || $hash_base; + + my $git_command = git_cmd_str(); + open my $fd, "-|", "$git_command cat-file -t $object_id 2>/dev/null" + or die_error('404 Not Found', "Object does not exist"); + $type = <$fd>; + chomp $type; + close $fd + or die_error('404 Not Found', "Object does not exist"); + + # - hash_base and file_name + } elsif ($hash_base && defined $file_name) { + $file_name =~ s,/+$,,; + + system(git_cmd(), "cat-file", '-e', $hash_base) == 0 + or die_error('404 Not Found', "Base object does not exist"); + + # here errors should not hapen + open my $fd, "-|", git_cmd(), "ls-tree", $hash_base, "--", $file_name + or die_error(undef, "Open git-ls-tree failed"); + my $line = <$fd>; + close $fd; + + #'100644 blob 0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa panic.c' + unless ($line && $line =~ m/^([0-9]+) (.+) ([0-9a-fA-F]{40})\t/) { + die_error('404 Not Found', "File or directory for given base does not exist"); + } + $type = $2; + $hash = $3; + } else { + die_error('404 Not Found', "Not enough information to find object"); + } + + print $cgi->redirect(-uri => href(action=>$type, -full=>1, + hash=>$hash, hash_base=>$hash_base, + file_name=>$file_name), + -status => '302 Found'); +} + sub git_blobdiff { my $format = shift || 'html';