script: add local variable "filter" in the script buffer (closes #1037)

ChangeLog.adoc

@@ -27,6 +27,7 @@ New features::
 Improvements::
 
   * api: add argument "recurse_subdirs" in function exec_on_files()
+  * script: add local variable "filter" in the script buffer (issue #1037)
 
 Bug fixes::
 

src/plugins/script/script-buffer.c

@@ -1117,6 +1117,20 @@ script_buffer_set_keys ()
     }
 }
 
+/*
+ * Sets the local variable "filter" in the script buffer.
+ */
+
+void
+script_buffer_set_localvar_filter ()
+{
+    if (!script_buffer)
+        return;
+
+    weechat_buffer_set (script_buffer, "localvar_set_filter",
+                        (script_repo_filter) ? script_repo_filter : "*");
+}
+
 /*
  * Opens script buffer.
  */
@@ -1139,6 +1153,7 @@ script_buffer_open ()
         weechat_buffer_set (script_buffer, "title", _("Scripts"));
         script_buffer_set_keys ();
         weechat_buffer_set (script_buffer, "localvar_set_type", "script");
+        script_buffer_set_localvar_filter ();
 
         script_buffer_selected_line = 0;
         script_buffer_detail_script = NULL;

src/plugins/script/script-buffer.h

@@ -47,6 +47,7 @@ extern int script_buffer_close_cb (const void *pointer, void *data,
                                    struct t_gui_buffer *buffer);
 extern void script_buffer_set_callbacks ();
 extern void script_buffer_set_keys ();
+extern void script_buffer_set_localvar_filter ();
 extern void script_buffer_open ();
 
 #endif /* WEECHAT_SCRIPT_BUFFER_H */

src/plugins/script/script-repo.c

@@ -910,6 +910,8 @@ script_repo_set_filter (const char *filter)
     if (script_repo_filter)
         free (script_repo_filter);
     script_repo_filter = (filter) ? strdup (filter) : NULL;
+
+    script_buffer_set_localvar_filter ();
 }
 
 /*