1 files changed, 51 insertions, 0 deletions
diff --git a/app/graphql/mutations/branches/create.rb b/app/graphql/mutations/branches/create.rb
new file mode 100644
index 00000000000..127d5447d0a
--- /dev/null
+++ b/app/graphql/mutations/branches/create.rb
@@ -0,0 +1,51 @@
+# frozen_string_literal: true
+
+module Mutations
+  module Branches
+    class Create < BaseMutation
+      include Mutations::ResolvesProject
+
+      graphql_name 'CreateBranch'
+
+      argument :project_path, GraphQL::ID_TYPE,
+               required: true,
+               description: 'Project full path the branch is associated with'
+
+      argument :name, GraphQL::STRING_TYPE,
+               required: true,
+               description: 'Name of the branch'
+
+      argument :ref,
+               GraphQL::STRING_TYPE,
+               required: true,
+               description: 'Branch name or commit SHA to create branch from'
+
+      field :branch,
+            Types::BranchType,
+            null: true,
+            description: 'Branch after mutation'
+
+      authorize :push_code
+
+      def resolve(project_path:, name:, ref:)
+        project = authorized_find!(full_path: project_path)
+
+        context.scoped_set!(:branch_project, project)
+
+        result = ::Branches::CreateService.new(project, current_user)
+                   .execute(name, ref)
+
+        {
+          branch: (result[:branch] if result[:status] == :success),
+          errors: Array.wrap(result[:message])
+        }
+      end
+
+      private
+
+      def find_object(full_path:)
+        resolve_project(full_path: full_path)
+      end
+    end
+  end
+end