Fix handling of BOMs

package-list.yaml

@@ -35,3 +35,5 @@ configurations:
         _default: ['3.3.0', '3.2.2']
         koin-core: []
         koin-ktor: ['default', '-3.3.0', '3.2.1']
+
+      io.ktor:ktor-bom: "latest"

sync/src/maven/packages.py

@@ -42,9 +42,11 @@ async def get_dependencies(package: Package, mirrors: Iterable[str]) -> list[Pac
 
     if pom := await fetch_pom(package, mirrors):
         if pom.is_bom:
+            logger.debug(f'{package} is BOM')
             try:
                 packages.extend(pom.dependency_management)
             except PropertyMissing as e1:
+                logger.debug(f'{package}: Properties not found, checking parent')
                 parent_props = await get_parent_props(pom.parent, mirrors)
                 if parent_props:
                     pom.set_properties(parent_props)

sync/src/maven/pom.py

@@ -44,18 +44,25 @@ class PackagePOM:
 
         self.parent = None
         if (parent_tag := self._raw_root.find('parent', ns)) is not None:
+            logger.debug(f'{self.name}: Found parent tag')
             parent_group = pom_find_tag_text(parent_tag, 'groupId')
             parent_artifact = pom_find_tag_text(parent_tag, 'artifactId')
             parent_version = pom_find_tag_text(parent_tag, 'version')
 
             if parent_group is None or parent_artifact is None or parent_version is None:
+                logger.warning(f'{self.name}: Could not resolve parent')
                 raise PackageError(f'Invalid parent {parent_group}:{parent_artifact}:{parent_version}')
             else:
                 self.parent = Package(parent_group, parent_artifact, parent_version)
+                logger.debug(f'{self.name}: Parent is {self.parent}')
+        else:
+            logger.debug(f'{self.name}: No parent tag found')
 
-        if (packaging := self._raw_root.find('packaging', ns)) is not None:
+        if (packaging := pom_find_tag_text(self._raw_root, 'packaging')) is not None:
+            logger.debug(f'{self.name}: Packaging is {packaging}')
             self.is_bom = packaging == 'pom'
         else:
+            logger.debug(f'{self.name}: Could not find packaging in POM')
             self.is_bom = False
 
         self.set_properties({})