build.sh: add self-bootstrap to help

diff --git a/build.sh b/build.sh
index 12dec026786d4cefb8d9c22f8cd8be3b3d6035ce..43f3afb1c4b6d97fb6436d6cd7ed24ac2517fe16 100755 (executable)
--- a/build.sh
+++ b/build.sh
@@ -767,6 +767,7 @@ usage() {
     $ECHO "  deps-dnf - install required packages for Factor on Linux using dnf"
     $ECHO "  deps-pkg - install required packages for Factor on FreeBSD using pkg"
     $ECHO "  deps-macosx - install git on MacOSX using port"
+    $ECHO "  self-bootstrap - make local boot image, bootstrap"
     $ECHO "  self-update - git pull, recompile, make local boot image, bootstrap"
     $ECHO "  quick-update - git pull, refresh-all, save"
     $ECHO "  update|latest - git pull, recompile, download a boot image, bootstrap"