Develop with a custom gitlab_git branch

Gemfile

@@ -49,7 +49,7 @@ gem "browser", '~> 1.0.0'
 
 # Extracting information from a git repository
 # Provide access to Gitlab::Git library
-gem "gitlab_git", '~> 7.2.23'
+gem "gitlab_git", git: 'https://gitlab.com/gitlab-org/gitlab_git.git', branch: 'lazy-blob'
 
 # LDAP Auth
 # GitLab fork with several improvements to original library. For full list of changes

Gemfile.lock

+GIT
+  remote: https://gitlab.com/gitlab-org/gitlab_git.git
+  revision: dbf224a5d0404ab094e53144b5e01a88b5e9dbaa
+  branch: lazy-blob
+  specs:
+    gitlab_git (7.2.24)
+      activesupport (~> 4.0)
+      charlock_holmes (~> 0.7.3)
+      github-linguist (~> 4.7.0)
+      rugged (~> 0.23.3)
+
 GEM
   remote: https://rubygems.org/
   specs:
@@ -356,11 +367,6 @@ GEM
       posix-spawn (~> 0.3)
     gitlab_emoji (0.2.0)
       gemojione (~> 2.1)
-    gitlab_git (7.2.24)
-      activesupport (~> 4.0)
-      charlock_holmes (~> 0.7.3)
-      github-linguist (~> 4.7.0)
-      rugged (~> 0.23.3)
     gitlab_meta (7.0)
     gitlab_omniauth-ldap (1.2.1)
       net-ldap (~> 0.9)
@@ -934,7 +940,7 @@ DEPENDENCIES
   github-markup (~> 1.3.1)
   gitlab-flowdock-git-hook (~> 1.0.1)
   gitlab_emoji (~> 0.2.0)
-  gitlab_git (~> 7.2.23)
+  gitlab_git!
   gitlab_meta (= 7.0)
   gitlab_omniauth-ldap (~> 1.2.1)
   gollum-lib (~> 4.1.0)