Merge pull request #392 from nix-community/nix-eval-fix

nix-eval-jobs: fix gcroots dir not correctly passed

Author: Mic92

buildbot_nix/buildbot_nix/__init__.py

@@ -683,7 +683,7 @@ async def run(self) -> int:
                 "accept-flake-config",
                 "true",
                 "--gc-roots-dir",
-                self.drv_gcroots_dir,
+                str(self.drv_gcroots_dir),
                 "--force-recurse",
                 "--check-cache-status",
                 "--flake",
@@ -1109,6 +1109,7 @@ def nix_eval_config(
                 "list",
                 # fmt: on
             ],
+            flunkOnFailure=True,
             # TODO: support other branches?
             doStepIf=lambda c: c.build.getProperty("branch", "")
             == project.default_branch,