Upgrade gitlab_git to 7.2.20 and rugged to 0.23.3.

Switch back to github-linguist

CHANGELOG

@@ -2,6 +2,7 @@ Please view this file on the master branch, on stable branches it's out of date.
 
 v 8.2.0 (unreleased)
   - Added a GitLab specific profiling tool called "Sherlock" (see GitLab CE merge request #1749)
+  - Upgrade gitlab_git to 7.2.20 and rugged to 0.23.3 (Stan Hu)
   - Fix bug where manually merged branches in a MR would end up with an empty diff (Stan Hu)
   - Force update refs/merge-requests/X/head upon a push to the source branch of a merge request (Stan Hu)
   - Improved performance of finding users by one of their Email addresses

Gemfile

@@ -40,7 +40,7 @@ gem "browser", '~> 1.0.0'
 
 # Extracting information from a git repository
 # Provide access to Gitlab::Git library
-gem "gitlab_git", '~> 7.2.19'
+gem "gitlab_git", '~> 7.2.20'
 
 # LDAP Auth
 # GitLab fork with several improvements to original library. For full list of changes
@@ -51,11 +51,7 @@ gem 'gitlab_omniauth-ldap', '~> 1.2.1', require: "omniauth-ldap"
 gem 'gollum-lib', '~> 4.0.2'
 
 # Language detection
-# GitLab fork of linguist does not require pygments/python dependency.
-# New version of original gem also dropped pygments support but it has strict
-# dependency to unstable rugged version. We have internal issue for replacing
-# fork with original gem when we meet on same rugged version - https://dev.gitlab.org/gitlab/gitlabhq/issues/2052.
-gem "gitlab-linguist", "~> 3.0.1", require: "linguist"
+gem "github-linguist", "~> 4.7.0", require: "linguist"
 
 # API
 gem 'grape',        '~> 0.6.1'
@@ -185,7 +181,7 @@ gem 'ace-rails-ap', '~> 2.0.1'
 gem 'mousetrap-rails', '~> 1.4.6'
 
 # Detect and convert string character encoding
-gem 'charlock_holmes', '~> 0.6.9.4'
+gem 'charlock_holmes', '~> 0.7.3'
 
 gem "sass-rails", '~> 4.0.5'
 gem "coffee-rails", '~> 4.1.0'

Gemfile.lock

@@ -175,7 +175,7 @@ GEM
       activesupport (>= 3.2)
     equalizer (0.0.11)
     erubis (2.7.0)
-    escape_utils (0.2.4)
+    escape_utils (1.1.0)
     eventmachine (1.0.8)
     excon (0.45.4)
     execjs (2.6.0)
@@ -266,6 +266,11 @@ GEM
       json
     get_process_mem (0.2.0)
     gherkin-ruby (0.3.2)
+    github-linguist (4.7.0)
+      charlock_holmes (~> 0.7.3)
+      escape_utils (~> 1.1.0)
+      mime-types (>= 1.19)
+      rugged (>= 0.23.0b)
     github-markup (1.3.3)
     gitlab-flowdock-git-hook (1.0.1)
       flowdock (~> 0.7)
@@ -276,17 +281,13 @@ GEM
       diff-lcs (~> 1.1)
       mime-types (~> 1.15)
       posix-spawn (~> 0.3)
-    gitlab-linguist (3.0.1)
-      charlock_holmes (~> 0.6.6)
-      escape_utils (~> 0.2.4)
-      mime-types (~> 1.19)
     gitlab_emoji (0.1.1)
       gemojione (~> 2.0)
-    gitlab_git (7.2.19)
+    gitlab_git (7.2.20)
       activesupport (~> 4.0)
-      charlock_holmes (~> 0.6)
-      gitlab-linguist (~> 3.0)
-      rugged (~> 0.22.2)
+      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)
@@ -794,7 +795,7 @@ DEPENDENCIES
   capybara (~> 2.4.0)
   capybara-screenshot (~> 1.0.0)
   carrierwave (~> 0.9.0)
-  charlock_holmes (~> 0.6.9.4)
+  charlock_holmes (~> 0.7.3)
   coffee-rails (~> 4.1.0)
   colored (~> 1.2)
   colorize (~> 0.5.8)
@@ -819,11 +820,11 @@ DEPENDENCIES
   foreman
   fuubar (~> 2.0.0)
   gemnasium-gitlab-service (~> 0.2)
+  github-linguist (~> 4.7.0)
   github-markup (~> 1.3.1)
   gitlab-flowdock-git-hook (~> 1.0.1)
-  gitlab-linguist (~> 3.0.1)
   gitlab_emoji (~> 0.1)
-  gitlab_git (~> 7.2.19)
+  gitlab_git (~> 7.2.20)
   gitlab_meta (= 7.0)
   gitlab_omniauth-ldap (~> 1.2.1)
   gollum-lib (~> 4.0.2)