Merge branch 'valentindavid/silverblue-path-1.2' into 'bst-1.2'

Backport to 1.2: Fix outside-of-project check when project path is not canonical.

See merge request !834

buildstream/_yaml.py

@@ -467,7 +467,7 @@ def node_get_project_path(node, key, project_dir, *,
                         "{}: Specified path '{}' does not exist"
                         .format(provenance, path_str))
 
-    is_inside = project_dir_path in full_resolved_path.parents or (
+    is_inside = project_dir_path.resolve() in full_resolved_path.parents or (
         full_resolved_path == project_dir_path)
 
     if path.is_absolute() or not is_inside:

tests/format/project.py

@@ -181,3 +181,15 @@ def test_project_refs_options(cli, datafiles):
 
     # Assert that the cache keys are different
     assert result1.output != result2.output
+
+
+@pytest.mark.datafiles(os.path.join(DATA_DIR, 'element-path'))
+def test_element_path_project_path_contains_symlinks(cli, datafiles, tmpdir):
+    real_project = str(datafiles)
+    linked_project = os.path.join(str(tmpdir), 'linked')
+    os.symlink(real_project, linked_project)
+    os.makedirs(os.path.join(real_project, 'elements'), exist_ok=True)
+    with open(os.path.join(real_project, 'elements', 'element.bst'), 'w') as f:
+        f.write("kind: manual\n")
+    result = cli.run(project=linked_project, args=['show', 'element.bst'])
+    result.assert_success()