@@ -54,7 +54,7 @@ macro_rules! book {
5454 fn run( self , builder: & Builder <' _>) {
5555 $(
5656 let path = submodule_helper!( $path, submodule $( = $submodule ) ? ) ;
57- builder. require_and_update_submodule ( path, None ) ;
57+ builder. require_submodule ( path, None ) ;
5858 ) ?
5959 builder. ensure( RustbookSrc {
6060 target: self . target,
@@ -224,7 +224,7 @@ impl Step for TheBook {
224224 /// * Index page
225225 /// * Redirect pages
226226 fn run ( self , builder : & Builder < ' _ > ) {
227- builder. require_and_update_submodule ( "src/doc/book" , None ) ;
227+ builder. require_submodule ( "src/doc/book" , None ) ;
228228
229229 let compiler = self . compiler ;
230230 let target = self . target ;
@@ -934,7 +934,7 @@ macro_rules! tool_doc {
934934 let source_type = SourceType :: Submodule ;
935935
936936 let path = submodule_helper!( $path, submodule $( = $submodule ) ? ) ;
937- builder. require_and_update_submodule ( path, None ) ;
937+ builder. require_submodule ( path, None ) ;
938938 ) ?
939939
940940 let stage = builder. top_stage;
@@ -1252,7 +1252,7 @@ impl Step for Reference {
12521252
12531253 /// Builds the reference book.
12541254 fn run ( self , builder : & Builder < ' _ > ) {
1255- builder. require_and_update_submodule ( "src/doc/reference" , None ) ;
1255+ builder. require_submodule ( "src/doc/reference" , None ) ;
12561256
12571257 // This is needed for generating links to the standard library using
12581258 // the mdbook-spec plugin.
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