fset: add option -import in command /fset

src/plugins/fset/fset-command.c

@@ -423,6 +423,15 @@ fset_command_fset (const void *pointer, void *data,
             return WEECHAT_RC_OK;
         }
 
+        if (weechat_strcmp (argv[1], "-import") == 0)
+        {
+            if (argc < 3)
+                WEECHAT_COMMAND_ERROR;
+            if (!fset_option_import (argv_eol[2]))
+                WEECHAT_COMMAND_ERROR;
+            return WEECHAT_RC_OK;
+        }
+
         WEECHAT_COMMAND_ERROR;
     }
     else
@@ -639,6 +648,7 @@ fset_command_init ()
            " || -mark"
            " || -format"
            " || -export [-help|-nohelp] <filename>"
+           " || -import <filename>"
            " || <filter>"),
         WEECHAT_CMD_ARGS_DESC(
             N_("raw[-bar]: add the help bar"),
@@ -666,6 +676,8 @@ fset_command_init ()
             N_("raw[-format]: switch to the next available format"),
             N_("raw[-export]: export the options and values displayed in a file "
                "(each line has format: \"/set name value\" or \"/unset name\")"),
+            N_("raw[-import]: import the options from a file "
+               "(all lines containing commands are are executed)"),
             N_("raw[-help]: force writing of help on options in exported file "
                "(see /help fset.look.export_help_default)"),
             N_("raw[-nohelp]: do not write help on options in exported file "
@@ -784,6 +796,7 @@ fset_command_init ()
         " || -mark"
         " || -format"
         " || -export -help|-nohelp|%(filename) %(filename)"
+        " || -import %(filename)"
         " || *|c:|f:|s:|d|d:|d=|d==|=|==|%(fset_options)",
         &fset_command_fset, NULL, NULL);
     weechat_hook_command_run ("/set", &fset_command_run_set_cb, NULL, NULL);

src/plugins/fset/fset-option.c

@@ -1470,6 +1470,63 @@ fset_option_export (const char *filename, int with_help)
     return 1;
 }
 
+/*
+ * Imports options from a file: all lines starting with "/" are executed.
+ *
+ * Returns:
+ *   1: export OK
+ *   0: error
+ */
+
+int
+fset_option_import (const char *filename)
+{
+    char *filename2, line[4096], *ptr_line;
+    FILE *file;
+    int length;
+
+    filename2 = weechat_string_expand_home (filename);
+    if (!filename2)
+        return 0;
+
+    file = fopen (filename2, "r");
+    if (!file)
+    {
+        free (filename2);
+        return 0;
+    }
+
+    while (!feof (file))
+    {
+        ptr_line = fgets (line, sizeof (line) - 1, file);
+        if (!ptr_line)
+            continue;
+        /* ignore comments */
+        if (ptr_line[0] == '#')
+            continue;
+        /* execute command (if it's a valid command) */
+        if (!weechat_string_input_for_buffer (ptr_line))
+        {
+            /* remove trailing '\r' and '\n' */
+            length = strlen (line) - 1;
+            while ((length >= 0)
+                   && ((line[length] == '\n')
+                       || (line[length] == '\r')))
+            {
+                line[length] = '\0';
+                length--;
+            }
+            weechat_command (NULL, ptr_line);
+        }
+    }
+
+    fclose (file);
+
+    free (filename2);
+
+    return 1;
+}
+
 /*
  * Refreshes the fset buffer after the change of an option.
  */

src/plugins/fset/fset-option.h

@@ -121,6 +121,7 @@ extern void fset_option_mark_options_matching_filter (const char *filter,
                                                       int mark);
 extern void fset_option_unmark_all ();
 extern int fset_option_export (const char *filename, int with_help);
+extern int fset_option_import (const char *filename);
 extern int fset_option_config_cb (const void *pointer,
                                   void *data,
                                   const char *option,