cli: abstract config file reading to a separate function

Simplify and fix the coding style while at it.

diff --git a/notmuch-config.c b/notmuch-config.c
index e5d42a0cbfd505ed9f1ba5b6984251a7324a3061..bd527901f7b57ed0442ef2e2e8e045acbf8d3e73 100644 (file)
--- a/notmuch-config.c
+++ b/notmuch-config.c
@@ -202,6 +202,38 @@ get_username_from_passwd_file (void *ctx)
     return name;
 }
 
+static notmuch_bool_t
+get_config_from_file (notmuch_config_t *config, notmuch_bool_t create_new)
+{
+    GError *error = NULL;
+    notmuch_bool_t ret = FALSE;
+
+    if (g_key_file_load_from_file (config->key_file, config->filename,
+                                  G_KEY_FILE_KEEP_COMMENTS, &error))
+       return TRUE;
+
+    if (error->domain == G_FILE_ERROR && error->code == G_FILE_ERROR_NOENT) {
+       /* If create_new is true, then the caller is prepared for a
+        * default configuration file in the case of FILE NOT FOUND.
+        */
+       if (create_new) {
+           config->is_new = TRUE;
+           ret = TRUE;
+       } else {
+           fprintf (stderr, "Configuration file %s not found.\n"
+                    "Try running 'notmuch setup' to create a configuration.\n",
+                    config->filename);
+       }
+    } else {
+       fprintf (stderr, "Error reading configuration file %s: %s\n",
+                config->filename, error->message);
+    }
+
+    g_error_free (error);
+
+    return ret;
+}
+
 /* Open the named notmuch configuration file. If the filename is NULL,
  * the value of the environment variable $NOTMUCH_CONFIG will be used.
  * If $NOTMUCH_CONFIG is unset, the default configuration file
@@ -289,36 +321,9 @@ notmuch_config_open (void *ctx,
     config->search_exclude_tags_length = 0;
     config->crypto_gpg_path = NULL;
 
-    if (! g_key_file_load_from_file (config->key_file,
-                                    config->filename,
-                                    G_KEY_FILE_KEEP_COMMENTS,
-                                    &error))
-    {
-       if (error->domain == G_FILE_ERROR && error->code == G_FILE_ERROR_NOENT) {
-           /* If create_new is true, then the caller is prepared for a
-            * default configuration file in the case of FILE NOT
-            * FOUND.
-            */
-           if (create_new) {
-               g_error_free (error);
-               config->is_new = TRUE;
-           } else {
-               fprintf (stderr, "Configuration file %s not found.\n"
-                        "Try running 'notmuch setup' to create a configuration.\n",
-                        config->filename);
-               talloc_free (config);
-               g_error_free (error);
-               return NULL;
-           }
-       }
-       else
-       {
-           fprintf (stderr, "Error reading configuration file %s: %s\n",
-                    config->filename, error->message);
-           talloc_free (config);
-           g_error_free (error);
-           return NULL;
-       }
+    if (! get_config_from_file (config, create_new)) {
+       talloc_free (config);
+       return NULL;
     }
 
     /* Whenever we know of configuration sections that don't appear in