Support to generate codecov's badge.

lib/Minilla/Project.pm

@@ -630,6 +630,9 @@ sub regenerate_readme_md {
                 if ($badge eq 'coveralls') {
                     push @badges, "[![Coverage Status](https://img.shields.io/coveralls/$user_name/$repository_name/master.svg?style=flat)](https://coveralls.io/r/$user_name/$repository_name?branch=master)"
                 }
+                if ($badge eq 'codecov') {
+                    push @badges, "[![Coverage Status](http://codecov.io/github/$user_name/$repository_name/coverage.svg?branch=master)](https://codecov.io/github/$user_name/$repository_name?branch=master)";
+                }
                 if ($badge eq 'gitter') {
                     push @badges, "[![Gitter chat](https://badges.gitter.im/$user_name/$repository_name.png)](https://gitter.im/$user_name/$repository_name)";
                 }

t/project/badge.t

@@ -38,7 +38,7 @@ subtest 'Badge' => sub {
     subtest 'Badges exist' => sub {
         write_minil_toml({
             name   => 'Acme-Foo',
-            badges => ['travis', 'coveralls', 'gitter'],
+            badges => ['travis', 'coveralls', 'gitter', 'codecov'],
         });
         $project->regenerate_files;
 
@@ -49,6 +49,7 @@ subtest 'Badge' => sub {
             "[![Build Status](https://travis-ci.org/tokuhirom/Minilla.svg?branch=master)](https://travis-ci.org/tokuhirom/Minilla)",
             "[![Coverage Status](https://img.shields.io/coveralls/tokuhirom/Minilla/master.svg?style=flat)](https://coveralls.io/r/tokuhirom/Minilla?branch=master)",
             "[![Gitter chat](https://badges.gitter.im/tokuhirom/Minilla.png)](https://gitter.im/tokuhirom/Minilla)",
+            "[![Coverage Status](http://codecov.io/github/tokuhirom/Minilla/coverage.svg?branch=master)](https://codecov.io/github/tokuhirom/Minilla?branch=master)",
         ];
         my $expected = join(' ', @$badge_markdowns);
         is $got, $expected;