Better submodule links.

Detect if submodule is hosted on this GitLab server, gitlab.com or github.com.
Hash links directly to commit in repo.

1 files changed, 42 insertions, 0 deletions

diff --git a/app/helpers/submodule_helper.rb b/app/helpers/submodule_helper.rb
new file mode 100644
index 00000000000..285f4081bf9
--- /dev/null
+++ b/app/helpers/submodule_helper.rb
@@ -0,0 +1,42 @@
+module SubmoduleHelper
+  include Gitlab::ShellAdapter
+
+  # links to files listing for submodule if submodule is a project on this server
+  def submodule_links(submodule_item)
+    url = submodule_item.submodule_url
+    return url, nil unless url =~ /([^\/:]+\/[^\/]+\.git)\Z/
+
+    project = $1
+    project.chomp!('.git')
+
+    if self_url?(url, project)
+      return project_path(project), project_tree_path(project, submodule_item.id)
+    elsif github_dot_com_url?(url)
+      standard_links('github.com', project, submodule_item.id)
+    elsif gitlab_dot_com_url?(url)
+      standard_links('gitlab.com', project, submodule_item.id)
+    else
+      return url, nil
+    end
+  end
+  
+  protected
+
+  def github_dot_com_url?(url)
+    url =~ /github\.com[\/:][^\/]+\/[^\/]+\Z/
+  end
+
+  def gitlab_dot_com_url?(url)
+    url =~ /gitlab\.com[\/:][^\/]+\/[^\/]+\Z/
+  end
+  
+  def self_url?(url, project)
+    return true if url == [ Gitlab.config.gitlab.url, '/', project, '.git' ].join('')
+    url == gitlab_shell.url_to_repo(project)
+  end
+  
+  def standard_links(host, project, commit)
+    base = [ 'https://', host, '/', project ].join('')
+    return base, [ base, '/tree/', commit ].join('')
+  end
+end
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