gitlab-shell: use buildGoModule

pkgs/applications/version-management/gitlab/gitlab-shell/default.nix

@@ -1,6 +1,6 @@
-{ stdenv, fetchFromGitLab, buildGoPackage, ruby }:
+{ stdenv, fetchFromGitLab, buildGoModule, ruby }:
 
-buildGoPackage rec {
+buildGoModule rec {
   pname = "gitlab-shell";
   version = "13.13.0";
   src = fetchFromGitLab {
@@ -14,17 +14,13 @@ buildGoPackage rec {
 
   patches = [ ./remove-hardcoded-locations.patch ];
 
-  goPackagePath = "gitlab.com/gitlab-org/gitlab-shell";
-  goDeps = ./deps.nix;
-
-  preBuild = ''
-    rm -rf "$NIX_BUILD_TOP/go/src/gitlab.com/gitlab-org/labkit/vendor"
-  '';
+  vendorSha256 = "16fa3bka0008x2yazahc6xxcv4fa6yqg74kk64v8lrp7snbvjf4d";
 
   postInstall = ''
-    cp -r "$NIX_BUILD_TOP/go/src/$goPackagePath"/bin/* $out/bin
-    cp -r "$NIX_BUILD_TOP/go/src/$goPackagePath"/{support,VERSION} $out/
+    cp -r "$NIX_BUILD_TOP/source"/bin/* $out/bin
+    cp -r "$NIX_BUILD_TOP/source"/{support,VERSION} $out/
   '';
+  doCheck = false;
 
   meta = with stdenv.lib; {
     description = "SSH access and repository management app for GitLab";