Add gitlab-shell#path option in config

Before this commit gitlab-shell but me placed directly in home dir.
Ex:
  /home/git/gitlab-shell

After this change you can place gitlab-shell in custom location.
Ex:
  /Users/developer/gitlab/gitlab-shell
Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

config/gitlab.yml.example

@@ -174,6 +174,8 @@ production: &base
 
   ## GitLab Shell settings
   gitlab_shell:
+    path: /home/git/gitlab-shell/
+
     # REPOS_PATH MUST NOT BE A SYMLINK!!!
     repos_path: /home/git/repositories/
     hooks_path: /home/git/gitlab-shell/hooks/

config/initializers/1_settings.rb

@@ -114,6 +114,7 @@ Settings.gravatar['ssl_url']    ||= 'https://secure.gravatar.com/avatar/%{hash}?
 # GitLab Shell
 #
 Settings['gitlab_shell'] ||= Settingslogic.new({})
+Settings.gitlab_shell['path']         ||= Settings.gitlab['user_home'] + '/gitlab-shell/'
 Settings.gitlab_shell['hooks_path']   ||= Settings.gitlab['user_home'] + '/gitlab-shell/hooks/'
 Settings.gitlab_shell['receive_pack']   = true if Settings.gitlab_shell['receive_pack'].nil?
 Settings.gitlab_shell['upload_pack']    = true if Settings.gitlab_shell['upload_pack'].nil?

lib/gitlab/backend/shell.rb

@@ -10,7 +10,7 @@ module Gitlab
     #   add_repository("gitlab/gitlab-ci")
     #
     def add_repository(name)
-      system "#{gitlab_shell_user_home}/gitlab-shell/bin/gitlab-projects", "add-project", "#{name}.git"
+      system "#{gitlab_shell_path}/bin/gitlab-projects", "add-project", "#{name}.git"
     end
 
     # Import repository
@@ -21,7 +21,7 @@ module Gitlab
     #   import_repository("gitlab/gitlab-ci", "https://github.com/randx/six.git")
     #
     def import_repository(name, url)
-      system "#{gitlab_shell_user_home}/gitlab-shell/bin/gitlab-projects", "import-project", "#{name}.git", url
+      system "#{gitlab_shell_path}/bin/gitlab-projects", "import-project", "#{name}.git", url
     end
 
     # Move repository
@@ -33,7 +33,7 @@ module Gitlab
     #   mv_repository("gitlab/gitlab-ci", "randx/gitlab-ci-new.git")
     #
     def mv_repository(path, new_path)
-      system "#{gitlab_shell_user_home}/gitlab-shell/bin/gitlab-projects", "mv-project", "#{path}.git", "#{new_path}.git"
+      system "#{gitlab_shell_path}/bin/gitlab-projects", "mv-project", "#{path}.git", "#{new_path}.git"
     end
 
     # Update HEAD for repository
@@ -45,7 +45,7 @@ module Gitlab
     #  update_repository_head("gitlab/gitlab-ci", "3-1-stable")
     #
     def update_repository_head(path, branch)
-      system "#{gitlab_shell_user_home}/gitlab-shell/bin/gitlab-projects", "update-head", "#{path}.git", branch
+      system "#{gitlab_shell_path}/bin/gitlab-projects", "update-head", "#{path}.git", branch
     end
 
     # Fork repository to new namespace
@@ -57,7 +57,7 @@ module Gitlab
     #  fork_repository("gitlab/gitlab-ci", "randx")
     #
     def fork_repository(path, fork_namespace)
-      system "#{gitlab_shell_user_home}/gitlab-shell/bin/gitlab-projects", "fork-project", "#{path}.git", fork_namespace
+      system "#{gitlab_shell_path}/bin/gitlab-projects", "fork-project", "#{path}.git", fork_namespace
     end
 
     # Remove repository from file system
@@ -68,7 +68,7 @@ module Gitlab
     #   remove_repository("gitlab/gitlab-ci")
     #
     def remove_repository(name)
-      system "#{gitlab_shell_user_home}/gitlab-shell/bin/gitlab-projects", "rm-project", "#{name}.git"
+      system "#{gitlab_shell_path}/bin/gitlab-projects", "rm-project", "#{name}.git"
     end
 
     # Add repository branch from passed ref
@@ -81,7 +81,7 @@ module Gitlab
     #   add_branch("gitlab/gitlab-ci", "4-0-stable", "master")
     #
     def add_branch(path, branch_name, ref)
-      system "#{gitlab_shell_user_home}/gitlab-shell/bin/gitlab-projects", "create-branch", "#{path}.git", branch_name, ref
+      system "#{gitlab_shell_path}/bin/gitlab-projects", "create-branch", "#{path}.git", branch_name, ref
     end
 
     # Remove repository branch
@@ -93,7 +93,7 @@ module Gitlab
     #   rm_branch("gitlab/gitlab-ci", "4-0-stable")
     #
     def rm_branch(path, branch_name)
-      system "#{gitlab_shell_user_home}/gitlab-shell/bin/gitlab-projects", "rm-branch", "#{path}.git", branch_name
+      system "#{gitlab_shell_path}/bin/gitlab-projects", "rm-branch", "#{path}.git", branch_name
     end
 
     # Add repository tag from passed ref
@@ -106,7 +106,7 @@ module Gitlab
     #   add_tag("gitlab/gitlab-ci", "v4.0", "master")
     #
     def add_tag(path, tag_name, ref)
-      system "#{gitlab_shell_user_home}/gitlab-shell/bin/gitlab-projects", "create-tag", "#{path}.git", tag_name, ref
+      system "#{gitlab_shell_path}/bin/gitlab-projects", "create-tag", "#{path}.git", tag_name, ref
     end
 
     # Remove repository tag
@@ -118,7 +118,7 @@ module Gitlab
     #   rm_tag("gitlab/gitlab-ci", "v4.0")
     #
     def rm_tag(path, tag_name)
-      system "#{gitlab_shell_user_home}/gitlab-shell/bin/gitlab-projects", "rm-tag", "#{path}.git", tag_name
+      system "#{gitlab_shell_path}/bin/gitlab-projects", "rm-tag", "#{path}.git", tag_name
     end
 
     # Add new key to gitlab-shell
@@ -127,7 +127,7 @@ module Gitlab
     #   add_key("key-42", "sha-rsa ...")
     #
     def add_key(key_id, key_content)
-      system "#{gitlab_shell_user_home}/gitlab-shell/bin/gitlab-keys", "add-key", key_id, key_content
+      system "#{gitlab_shell_path}/bin/gitlab-keys", "add-key", key_id, key_content
     end
 
     # Remove ssh key from gitlab shell
@@ -136,7 +136,7 @@ module Gitlab
     #   remove_key("key-342", "sha-rsa ...")
     #
     def remove_key(key_id, key_content)
-      system "#{gitlab_shell_user_home}/gitlab-shell/bin/gitlab-keys", "rm-key", key_id, key_content
+      system "#{gitlab_shell_path}/bin/gitlab-keys", "rm-key", key_id, key_content
     end
 
     # Remove all ssh keys from gitlab shell
@@ -145,7 +145,7 @@ module Gitlab
     #   remove_all_keys
     #
     def remove_all_keys
-      system "#{gitlab_shell_user_home}/gitlab-shell/bin/gitlab-keys", "clear"
+      system "#{gitlab_shell_path}/bin/gitlab-keys", "clear"
     end
 
     # Add empty directory for storing repositories
@@ -198,7 +198,7 @@ module Gitlab
 
     # Return GitLab shell version
     def version
-      gitlab_shell_version_file = "#{gitlab_shell_user_home}/gitlab-shell/VERSION"
+      gitlab_shell_version_file = "#{gitlab_shell_path}/VERSION"
 
       if File.readable?(gitlab_shell_version_file)
         File.read(gitlab_shell_version_file)
@@ -207,6 +207,10 @@ module Gitlab
 
     protected
 
+    def gitlab_shell_path
+      Gitlab.config.gitlab_shell.path
+    end
+
     def gitlab_shell_user_home
       File.expand_path("~#{Gitlab.config.gitlab_shell.ssh_user}")
     end