[evolution-data-server] e-module: Add debug prints about module loading

[Milan Crha <mcrha src gnome org>]

commit 6a4d809b990c85993a49bb1263666e0dd98e8aca
Author: Milan Crha <mcrha redhat com>
Date:   Wed Apr 27 16:02:57 2022 +0200

    e-module: Add debug prints about module loading
    
    This can help to see where the modules are expected.

 src/libedataserver/e-module.c | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)
---
diff --git a/src/libedataserver/e-module.c b/src/libedataserver/e-module.c
index 0ef8270e2..d5701ec1e 100644
--- a/src/libedataserver/e-module.c
+++ b/src/libedataserver/e-module.c
@@ -280,12 +280,14 @@ e_module_load_all_in_directory (const gchar *dirname)
 
        g_return_val_if_fail (dirname != NULL, NULL);
 
-       if (!g_module_supported ())
+       if (!g_module_supported ()) {
+               e_source_registry_debug_print ("Cannot load *." G_MODULE_SUFFIX " in '%s': modules not 
supported by glib\n", dirname);
                return NULL;
+       }
 
        dir = g_dir_open (dirname, 0, &error);
        if (dir == NULL) {
-               g_debug ("%s: %s", G_STRFUNC, error ? error->message : "Unknown error");
+               e_source_registry_debug_print ("Cannot open module dir '%s': %s\n", dirname, error ? 
error->message : "Unknown error");
                g_clear_error (&error);
                return NULL;
        }
@@ -294,8 +296,10 @@ e_module_load_all_in_directory (const gchar *dirname)
                EModule *module;
                gchar *filename;
 
-               if (!g_str_has_suffix (basename, "." G_MODULE_SUFFIX))
+               if (!g_str_has_suffix (basename, "." G_MODULE_SUFFIX)) {
+                       e_source_registry_debug_print ("Skipping file '%s/%s': incorrect extension\n", 
dirname, basename);
                        continue;
+               }
 
                filename = g_build_filename (dirname, basename, NULL);
 
@@ -307,6 +311,8 @@ e_module_load_all_in_directory (const gchar *dirname)
                        loaded_modules = g_list_prepend (loaded_modules, module);
        }
 
+       e_source_registry_debug_print ("Loaded %u *." G_MODULE_SUFFIX " modules in '%s'\n", g_list_length 
(loaded_modules), dirname);
+
        g_dir_close (dir);
 
        return loaded_modules;