lang/retro12: Update to 2018.8

Also:
- Fix the order of variables.
- Set USES=shebangfix for the rre interpreter.

PR:		232885
Submitted by:	w.schwarzenfeld@utanet.at
Reviewed by:	krion, mat ndowens_yahoo.com
Approved by:	mat (mentor)
Differential Revision:	https://reviews.freebsd.org/D17830

lang/retro12/Makefile

@@ -1,7 +1,7 @@
 # $FreeBSD$
 
 PORTNAME=	retro12
-DISTVERSION=	2018.4.20
+DISTVERSION=	2018.8
 CATEGORIES=	lang
 MASTER_SITES=	https://forthworks.com/retro/r/
 DISTNAME=	${PORTNAME:tu}-${DISTVERSION}
@@ -12,17 +12,19 @@ COMMENT=	Clean, elegant, and pragmatic dialect of Forth
 LICENSE=	ISCL
 LICENSE_FILE=	${WRKSRC}/LICENSE.md
 
+USES=	ncurses shebangfix
+
+SHEBANG_FILES=	example/Atua*
+SHEBANG_LANG=	rre
+
 # Conflicting files: bin/listener bin/repl bin/ri
 CONFLICTS_INSTALL=	audio/listener mail/nmh japanese/mh lang/ruby
 
-USES=	ncurses
-
 MAKE_ENV=	DATADIR=${DATADIR} \
 		DESTDIR=${DESTDIR} \
 		DOCSDIR=${DOCSDIR} \
 		EXAMPLESDIR=${EXAMPLESDIR} \
 		PREFIX=${PREFIX}
-OPTIONS_DEFINE=	DOCS EXAMPLES
 
 PLIST_FILES=	bin/embedimage \
 		bin/extend \
@@ -50,4 +52,6 @@ PORTEXAMPLES=	example
 INSTALL_TARGET=	install-strip
 TEST_TARGET=	test
 
+OPTIONS_DEFINE=	DOCS EXAMPLES
+
 .include <bsd.port.mk>

lang/retro12/distinfo

@@ -1,3 +1,3 @@
-TIMESTAMP = 1524275523
-SHA256 (RETRO12-2018.4.20.tar.gz) = 431e03ce575553df326eca33e483d279b13b83209d737fec90ee3f2a77a6bc17
-SIZE (RETRO12-2018.4.20.tar.gz) = 216832
+TIMESTAMP = 1541075447
+SHA256 (RETRO12-2018.8.tar.gz) = 9458f3c82d8e6fa54148b210420e4314e886c3020b3cb0392e801f308d5fe5a5
+SIZE (RETRO12-2018.8.tar.gz) = 538215