[fix][arch] not properly caching data of installed dependencies

CHANGELOG.md

@@ -16,6 +16,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
     - 'clean cache' operation was not working in some scenarios
     - upgrading progress when conflicting files are detected
     - not detecting some installed 'not-signed' repository packages
+    - not properly caching data of installed dependencies
     
 - upgrade: crashing for scenarios when there are packages that cannot upgrade to be displayed on the summary window
 - settings: crashing when an empty Qt style is defined [#104](https://github.com/vinifmor/bauh/issues/104) 

bauh/gems/arch/controller.py

@@ -1648,9 +1648,20 @@ class ArchManager(SoftwareManager):
         if installed:
             context.watcher.change_substatus(self.i18n['status.caching_data'].format(bold(context.name)))
 
+            if not context.maintainer:
+                if context.pkg and context.pkg.maintainer:
+                    pkg_maintainer = context.pkg.maintainer
+                elif context.repository == 'aur':
+                    aur_infos = self.aur_client.get_info({context.name})
+                    pkg_maintainer = aur_infos[0].get('Maintainer') if aur_infos else None
+                else:
+                    pkg_maintainer = context.repository
+            else:
+                pkg_maintainer = context.maintainer
+
             cache_map = {context.name: ArchPackage(name=context.name,
                                                    repository=context.repository,
-                                                   maintainer=context.maintainer,
+                                                   maintainer=pkg_maintainer,
                                                    categories=self.categories.get(context.name))}
             if context.missing_deps:
                 aur_deps = {dep[0] for dep in context.missing_deps if dep[1] == 'aur'}