fix: pass in 'library_dir' to load_repositories

It was previously retrieved through auth_repo.parent.parent, which works in most cases. The only case where this fails is when the authentication repository is not within 2 levels above the current directory, and is the current case on our AppVeyor CI.

taf/repositoriesdb.py

@@ -467,14 +467,15 @@ def get_deduplicated_repositories(
     auth_repo: AuthenticationRepository,
     commits: Optional[List[str]] = None,
     excluded_target_globs: Optional[List[str]] = None,
+    library_dir: Optional[str] = None,
 ) -> Dict[str, GitRepository]:
     return _get_deduplicated_target_or_auth_repositories(
-        auth_repo, commits, False, excluded_target_globs
+        auth_repo, commits, False, excluded_target_globs, library_dir
     )
 
 
 def _get_deduplicated_target_or_auth_repositories(
-    auth_repo, commits, load_auth=False, excluded_target_globs=None
+    auth_repo, commits, load_auth=False, excluded_target_globs=None, library_dir=None
 ):
     if commits is None:
         commits = [auth_repo.head_commit_sha()]
@@ -499,6 +500,7 @@ def _get_deduplicated_target_or_auth_repositories(
                     auth_repo=auth_repo,
                     commits=commits,
                     excluded_target_globs=excluded_target_globs,
+                    library_dir=library_dir,
                 )
             }
 

taf/updater/updater_pipeline.py

@@ -952,6 +952,7 @@ def load_target_repositories(self):
                     self.state.users_auth_repo,
                     self.state.auth_commits_since_last_validated[-1::],
                     excluded_target_globs=self.excluded_target_globs,
+                    library_dir=self.library_dir,
                 )
             )
             if self.only_validate: