Fix support for Kustomizations with absolute paths

flux_local/git_repo.py

@@ -345,7 +345,10 @@ def adjust_ks_path(doc: Kustomization, selector: PathSelector) -> Path | None:
         )
         return None
 
-    return Path(doc.path)
+    path = Path(doc.path)
+    if path.is_absolute():
+        return path.relative_to("/")
+    return path
 
 
 async def kustomization_traversal(selector: PathSelector) -> list[Kustomization]:

tests/test_git_repo.py

@@ -16,14 +16,15 @@
     Source,
     PathSelector,
     is_allowed_source,
+    adjust_ks_path
 )
 from flux_local.kustomize import Kustomize, Stash
 from flux_local.command import Task, run_piped
 from flux_local.manifest import Kustomization
 from flux_local.context import trace
 
 TESTDATA = Path("tests/testdata/cluster")
-
+TESTDATA_FULL_PATH = Path.cwd() / TESTDATA
 
 async def test_build_manifest(snapshot: SnapshotAssertion) -> None:
     """Tests for building the manifest."""
@@ -259,3 +260,24 @@ async def piped_recorder(tasks: Sequence[Task]) -> str:
         await build_manifest(selector=selector)
 
     assert context_cmds == snapshot
+
+
+@pytest.mark.parametrize(
+    ("path", "expected_path"),
+    [
+        ("kubernetes/apps/example", "kubernetes/apps/example"),
+        ("./kubernetes/apps/example", "kubernetes/apps/example"),
+        ("/kubernetes/apps/example", "kubernetes/apps/example"),
+        ("", str(TESTDATA))
+    ]
+)
+def test_adjust_ks_path(path: str, expected_path: str) -> None:
+    """Test adjusting the Kustomization path relative directory."""
+    ks = Kustomization(
+        name="ks",
+        namespace="flux-system",
+        path=path,
+        source_name="flux-system",
+    )
+    selector = PathSelector(TESTDATA_FULL_PATH)
+    assert adjust_ks_path(ks, selector) == Path(expected_path)

tests/testdata/cluster7/clusters/home/charts.yaml

@@ -6,7 +6,7 @@ metadata:
   namespace: flux-system
 spec:
   interval: 10m0s
-  path: ./tests/testdata/cluster7/flux/charts
+  path: /tests/testdata/cluster7/flux/charts
   prune: true
   sourceRef:
     kind: GitRepository