Merge branch 'sh-show-all-refs' into 'master'

Support unhiding of all refs for Geo Nodes

Closes gitlab-ee#2959

See merge request !150

CHANGELOG

+v5.5.0
+  - Support unhiding of all references for Geo nodes
+
 v5.4.0
   - Update Gitaly vendoring to use new RPC calls instead of old deprecated ones

VERSION

-5.4.0
+5.5.0

lib/gitlab_access_status.rb

 require 'json'
 class GitAccessStatus
-  attr_reader :message, :gl_repository, :repository_path, :gitaly
-  def initialize(status, message, gl_repository, repository_path, gitaly)
+  attr_reader :message, :gl_repository, :repository_path, :gitaly, :geo_node
+  def initialize(status, message, gl_repository, repository_path, gitaly, geo_node = false)
     @status = status
     @message = message
     @gl_repository = gl_repository
     @repository_path = repository_path
     @gitaly = gitaly
+    @geo_node = geo_node
   end
   def self.create_from_json(json)
     values = JSON.parse(json)
-    self.new(values["status"], values["message"], values["gl_repository"], values["repository_path"], values["gitaly"])
+    self.new(values["status"],
+             values["message"],
+             values["gl_repository"],
+             values["repository_path"],
+             values["gitaly"],
+             values["geo_node"])
   end
   def allowed?

lib/gitlab_net.rb

@@ -39,7 +39,7 @@ class GitlabNet
     if resp.code == '200'
       GitAccessStatus.create_from_json(resp.body)
     else
-      GitAccessStatus.new(false, 'API is not accessible', nil, nil)
+      GitAccessStatus.new(false, 'API is not accessible', nil, nil, nil)
     end
   end

lib/gitlab_shell.rb

@@ -17,7 +17,7 @@ class GitlabShell
   API_COMMANDS = %w(2fa_recovery_codes)
   GL_PROTOCOL = 'ssh'.freeze
-  attr_accessor :key_id, :gl_repository, :repo_name, :command, :git_access
+  attr_accessor :key_id, :gl_repository, :repo_name, :command, :git_access, :show_all_refs
   attr_reader :repo_path
   def initialize(key_id)
@@ -100,6 +100,7 @@ class GitlabShell
     self.repo_path = status.repository_path
     @gl_repository = status.gl_repository
     @gitaly = status.gitaly
+    @show_all_refs = status.geo_node
   end
   def process_cmd(args)
@@ -159,6 +160,10 @@ class GitlabShell
       env['GITALY_TOKEN'] = @gitaly['token']
     end
+    # We have to use a negative transfer.hideRefs since this is the only way
+    # to undo an already set parameter: https://www.spinics.net/lists/git/msg256772.html
+    env['GIT_CONFIG_PARAMETERS'] = "'transfer.hideRefs=!refs'" if @show_all_refs
+
     if git_trace_available?
       env.merge!({
         'GIT_TRACE' => @config.git_trace_log_file,

spec/gitlab_shell_spec.rb

@@ -19,7 +19,7 @@ describe GitlabShell do
     end
   end
-  let(:gitaly_check_access) { GitAccessStatus.new(true, 'ok', gl_repository, repo_path, { 'repository' => { 'relative_path' => repo_name, 'storage_name' => 'default'} , 'address' => 'unix:gitaly.socket' })}
+  let(:gitaly_check_access) { GitAccessStatus.new(true, 'ok', gl_repository, repo_path, { 'repository' => { 'relative_path' => repo_name, 'storage_name' => 'default'} , 'address' => 'unix:gitaly.socket' }) }
   let(:api) do
     double(GitlabNet).tap do |api|
@@ -386,6 +386,20 @@ describe GitlabShell do
       shell.send :exec_cmd, [1, 2]
     end
+    context "when show_all_refs is enabled" do
+      before { shell.show_all_refs = true }
+
+      it 'sets local git parameters' do
+        expected_hash = hash_including(
+          'GIT_CONFIG_PARAMETERS' => "'transfer.hideRefs=!refs'"
+        )
+
+        Kernel.should_receive(:exec).with(expected_hash, [1, 2], exec_options).once
+
+        shell.send :exec_cmd, [1, 2]
+      end
+    end
+
     context "when specifying a git_tracing log file" do
       let(:git_trace_log_file) { '/tmp/git_trace_performance.log' }