+# Insert an avatar for the given $email at the given $size if the feature
+# is enabled.
+sub git_get_avatar {
+ my ($email, %opts) = @_;
+ my $pre_white = ($opts{-pad_before} ? " " : "");
+ my $post_white = ($opts{-pad_after} ? " " : "");
+ $opts{-size} ||= 'default';
+ my $size = $avatar_size{$opts{-size}} || $avatar_size{'default'};
+ my $url = "";
+ if ($git_avatar eq 'gravatar') {
+ $url = "http://www.gravatar.com/avatar/" .
+ Digest::MD5::md5_hex(lc $email) . "?s=$size";
+ }
+ # Currently only gravatars are supported, but other forms such as
+ # picons can be added by putting an else up here and defining $url
+ # as needed. If no variant puts something in $url, we assume avatars
+ # are completely disabled/unavailable.
+ if ($url) {
+ return $pre_white .
+ "<img width=\"$size\" " .
+ "class=\"avatar\" " .
+ "src=\"$url\" " .
+ "/>" . $post_white;
+ } else {
+ return "";
+ }
+}
+
+# format the author name of the given commit with the given tag
+# the author name is chopped and escaped according to the other
+# optional parameters (see chop_str).
+sub format_author_html {
+ my $tag = shift;
+ my $co = shift;
+ my $author = chop_and_escape_str($co->{'author_name'}, @_);
+ return "<$tag class=\"author\">" .
+ git_get_avatar($co->{'author_email'}, -pad_after => 1) .
+ $author . "</$tag>";
+}
+