[enh] Allow to list pending conf only in service_regen_conf

data/actionsmap/yunohost.yml

@@ -979,6 +979,10 @@ service:
                         Override all manual modifications in configuration
                         files
                     action: store_true
+                -p:
+                    full: --list-pending
+                    help: List pending configuration files and exit
+                    action: store_true
 
         ### service_safecopy()
         safecopy:

src/yunohost/service.py

@@ -271,7 +271,8 @@ def service_log(name, number=50):
     return result
 
 
-def service_regen_conf(names=[], with_diff=False, force=False):
+def service_regen_conf(names=[], with_diff=False, force=False,
+                       list_pending=False):
     """
     Regenerate the configuration file(s) for a service
 
@@ -279,10 +280,15 @@ def service_regen_conf(names=[], with_diff=False, force=False):
         names -- Services name to regenerate configuration of
         with_diff -- Show differences in case of configuration changes
         force -- Override all manual modifications in configuration files
+        list_pending -- List pending configuration files and exit
 
     """
     result = {}
 
+    # Just return pending conf
+    if list_pending:
+        return _get_pending_conf(names)
+
     # Clean pending conf directory
     shutil.rmtree(pending_conf_dir, ignore_errors=True)
     filesystem.mkdir(pending_conf_dir, 0755, True)