mail/bsfilter: Update to 1.0.20

- Remove the local patch because it was obtained from the old OSDN
  repository
  and the new version includes all the changes
- Change MASTER_SITES to Github
- Update WWW

Changelog: https://github.com/nbkenichi/bsfilter/compare/v1.0.19...v1.0.20

mail/bsfilter/Makefile

@@ -1,26 +1,29 @@
 PORTNAME=	bsfilter
-PORTVERSION=	1.0.19
-PORTREVISION=	4
+DISTVERSIONPREFIX=	v
+DISTVERSION=	1.0.20
 CATEGORIES=	mail ruby
-MASTER_SITES=	OSDN/bsfilter
 
 MAINTAINER=	nyan@FreeBSD.org
 COMMENT=	Bayesian spam filter written in Ruby
-WWW=		https://osdn.net/projects/bsfilter/
+WWW=		https://github.com/nbkenichi/bsfilter
 
 LICENSE=	GPLv2
 
 RUN_DEPENDS=	rubygem-gdbm>=2.0.0,2:databases/rubygem-gdbm \
 		rubygem-sdbm>=1.0.0:databases/rubygem-sdbm
 
-USES=		ruby shebangfix tar:tgz
-SHEBANG_FILES=	bsfilter/bsfilter
+USES=		ruby shebangfix
+SHEBANG_FILES=	src/bsfilter.rb
+
+USE_GITHUB=	yes
+GH_ACCOUNT=	nbkenichi
+
 NO_BUILD=	yes
 
 OPTIONS_DEFINE=	EXAMPLES
 
 do-install:
-	${INSTALL_SCRIPT} ${WRKSRC}/bsfilter/${PORTNAME} ${STAGEDIR}${PREFIX}/bin/${PORTNAME}
+	${INSTALL_SCRIPT} ${WRKSRC}/src/bsfilter.rb ${STAGEDIR}${PREFIX}/bin/${PORTNAME}
 	@${MKDIR} ${STAGEDIR}${EXAMPLESDIR}
 .for FILE in bsfilter.conf.sample dot-qmail.sample
 	${INSTALL_DATA} ${FILESDIR}/${FILE} ${STAGEDIR}${EXAMPLESDIR}

mail/bsfilter/distinfo

@@ -1,2 +1,3 @@
-SHA256 (bsfilter-1.0.19.tgz) = 8aa1d713cc848b20d678eb7a5f24bec1879860d023701644bfd426a587998ac9
-SIZE (bsfilter-1.0.19.tgz) = 78660
+TIMESTAMP = 1740387732
+SHA256 (nbkenichi-bsfilter-v1.0.20_GH0.tar.gz) = 10fb704f3528f3a81ed350c42d0980d9104ed11b366d85a5795fbbc6e04b91db
+SIZE (nbkenichi-bsfilter-v1.0.20_GH0.tar.gz) = 78005