Make -plugin-path commandline flag be read before loading plugins

doc/help-output.txt

@@ -15,6 +15,7 @@ Command line only options:
 	-show [mode]                           Show the mode 'mode' and exit. The mode has to be enabled.
 	-no-lazy-grab                          Disable lazy grab that, when fail to grab keyboard, does not block but retry later.
 	-no-plugins                            Disable loading of external plugins.
+	-plugin-path                           Directory used to search for rofi plugins.
 	-dump-config                           Dump the current configuration in rasi format and exit.
 	-dump-theme                            Dump the current theme in rasi format and exit.
 DMENU command line options:

doc/test_xr.txt

@@ -106,8 +106,6 @@ rofi.scroll-method:                  0
 ! rofi.color-active:                   
 ! "Color scheme window" Set from: Default
 ! rofi.color-window:                   
-! "Directory containing plugins" Set from: File
-rofi.plugin-path:                    /usr/lib/rofi
 ! "Max history size (WARNING: can cause slowdowns when set to high)." Set from: Default
 ! rofi.max-history-size:               25
 ! "Pidfile location" Set from: File

pkgconfig/rofi.pc.in

@@ -3,6 +3,7 @@ exec_prefix=@exec_prefix@
 libdir=@libdir@
 includedir=@includedir@
 
+pluginsdir=@libdir@/rofi/
 
 Name: rofi
 Description: Header files for rofi plugins

source/rofi.c

@@ -274,6 +274,7 @@ static void print_main_application_options ( int is_term )
     print_help_msg ( "-show", "[mode]", "Show the mode 'mode' and exit. The mode has to be enabled.", NULL, is_term );
     print_help_msg ( "-no-lazy-grab", "", "Disable lazy grab that, when fail to grab keyboard, does not block but retry later.", NULL, is_term );
     print_help_msg ( "-no-plugins", "", "Disable loading of external plugins.", NULL, is_term );
+    print_help_msg ( "-plugin-path", "", "Directory used to search for rofi plugins.", NULL, is_term );
     print_help_msg ( "-dump-config", "", "Dump the current configuration in rasi format and exit.", NULL, is_term );
     print_help_msg ( "-dump-theme", "", "Dump the current theme in rasi format and exit.", NULL, is_term );
 }
@@ -488,7 +489,7 @@ static void rofi_collect_modi_dir ( const char *base_dir )
             if ( !g_str_has_suffix ( dn, G_MODULE_SUFFIX ) ) {
                 continue;
             }
-            char    *fn  = g_build_filename ( PLUGIN_PATH, dn, NULL );
+            char    *fn  = g_build_filename ( base_dir, dn, NULL );
             GModule *mod = g_module_open ( fn, G_MODULE_BIND_LAZY | G_MODULE_BIND_LOCAL );
             if ( mod ) {
                 Mode *m = NULL;
@@ -536,6 +537,8 @@ static void rofi_collect_modi ( void )
     rofi_collect_modi_add ( &help_keys_mode );
 
     if ( find_arg ( "-no-plugins" ) < 0 ) {
+        find_arg_str ( "-plugin-path", &(config.plugin_path) );
+        g_debug ( "Parse plugin path: %s", config.plugin_path );
         rofi_collect_modi_dir ( config.plugin_path );
     }
 }

source/xrmoptions.c

@@ -202,8 +202,6 @@ static XrmOption xrmOptions[] = {
       "Color scheme for active row", CONFIG_DEFAULT },
     { xrm_String,  "color-window",      { .str  = &config.color_window           }, NULL,
       "Color scheme window", CONFIG_DEFAULT },
-    { xrm_String,  "plugin-path",       { .str  = &config.plugin_path            }, NULL,
-      "Directory containing plugins", CONFIG_DEFAULT },
     { xrm_Number,  "max-history-size",  { .num  = &config.max_history_size       }, NULL,
       "Max history size (WARNING: can cause slowdowns when set to high).", CONFIG_DEFAULT },
 };