1 files changed, 48 insertions, 0 deletions
diff --git a/ruby/vendor/gitlab_git/lib/gitlab/popen.rb b/ruby/vendor/gitlab_git/lib/gitlab/popen.rb
new file mode 100644
index 000000000..b9832a724
--- /dev/null
+++ b/ruby/vendor/gitlab_git/lib/gitlab/popen.rb
@@ -0,0 +1,48 @@
+require 'fileutils'
+require 'open3'
+
+module Gitlab
+  module Popen
+    extend self
+
+    Result = Struct.new(:cmd, :stdout, :stderr, :status, :duration)
+
+    # Returns [stdout + stderr, status]
+    def popen(cmd, path = nil, vars = {}, &block)
+      result = popen_with_detail(cmd, path, vars, &block)
+
+      [result.stdout << result.stderr, result.status&.exitstatus]
+    end
+
+    # Returns Result
+    def popen_with_detail(cmd, path = nil, vars = {})
+      unless cmd.is_a?(Array)
+        raise "System commands must be given as an array of strings"
+      end
+
+      path ||= Dir.pwd
+      vars['PWD'] = path
+      options = { chdir: path }
+
+      unless File.directory?(path)
+        FileUtils.mkdir_p(path)
+      end
+
+      cmd_stdout = ''
+      cmd_stderr = ''
+      cmd_status = nil
+      start = Time.now
+
+      Open3.popen3(vars, *cmd, options) do |stdin, stdout, stderr, wait_thr|
+        yield(stdin) if block_given?
+        stdin.close
+
+        cmd_stdout = stdout.read
+        cmd_stderr = stderr.read
+        cmd_status = wait_thr.value
+      end
+
+      Result.new(cmd, cmd_stdout, cmd_stderr, cmd_status, Time.now - start)
+    end
+  end
+end