fix(vcs): remove empty paths from repo.get_tracked_files()

Author: ahal

src/taskgraph/util/vcs.py

@@ -290,6 +290,7 @@ def _files_template(self, diff_filter):
         return template
 
     def get_tracked_files(self, *paths, rev=None):
+        paths = [p for p in paths if p]
         rev = rev or "."
         return self.run("files", "-r", rev, *paths).splitlines()
 
@@ -476,6 +477,7 @@ def get_commit_message(self, revision=None):
         return self.run("log", "-n1", "--format=%B", revision)
 
     def get_tracked_files(self, *paths, rev=None):
+        paths = [p for p in paths if p]
         rev = rev or "HEAD"
         return self.run("ls-tree", "-r", "--name-only", rev, *paths).splitlines()
 

test/test_util_vcs.py

@@ -229,6 +229,7 @@ def test_get_tracked_files(repo):
     repo.run("commit", "-m", "Add second file")
     rev = ".~1" if repo.tool == "hg" else "HEAD~1"
     assert_files(repo.get_tracked_files(), ["first_file", "subdir/second_file"])
+    assert_files(repo.get_tracked_files(""), ["first_file", "subdir/second_file"])
     assert_files(repo.get_tracked_files("subdir"), ["subdir/second_file"])
     assert_files(repo.get_tracked_files(rev=rev), ["first_file"])