merge script/vendor/* into include/vendor.sh

stub it from the main build script

the commands remain identical:
./vendor download arguments_here
./vendor inject arguments_here

Signed-off-by: Leah Rowe <leah@libreboot.org>

build

@@ -13,6 +13,8 @@ if [ "./${0##*/}" != "${0}" ] || [ ! -f "build" ] || [ -L "build" ]; then
 fi
 
 . "include/option.sh"
+. "include/vendor.sh"
+. "include/mrc.sh"
 
 eval "$(setvars "" option aur_notice vdir relname src_dirname srcdir _xm \
     target romdir mode)"
@@ -46,10 +48,13 @@ initcmd()
 	list) items "${buildpath}" ;;
 	version) mkversion ;;
 	release) shift 1; mkrelease $@ ;;
+	inject) shift 1; vendor_inject $@ ;;
+	download) shift 1; vendor_download $@ ;;
 	*)
 		option="${1}"
 		return 0 ;;
 	esac
+	set -u -e # some commands disable them. turn them on!
 	lbmk_exit 0
 }
 
@@ -107,6 +112,8 @@ usage()
 	$(items "${buildpath}")
 
 	Special commands (consult $projectname documentation):
+	./vendor inject
+	./vendor download
 	./update release
 	./build dependencies distroname
 	(replace distroname with a filename from config/dependencies/)