x11/xclip: set MAINTAINER and do cleanup

Prepare por for upcoming update.

Submitter already maintains several ports.

PR:	251072
Submitted by:	ed.arrakis@gmail.com

x11/xclip/Makefile

@@ -5,15 +5,17 @@ PORTNAME=	xclip
 PORTVERSION=	0.13
 CATEGORIES=	x11
 
-MAINTAINER=	ports@FreeBSD.org
+MAINTAINER=	ed.arrakis@gmail.com
 COMMENT=	Interface to X selections ("the clipboard") from the command line
 
 LICENSE=	GPLv2
+LICENSE_FILE=	${WRKSRC}/COPYING
+
+USES=		autoreconf gmake iconv xorg
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	astrand
 
-USES=		autoreconf gmake iconv xorg
 USE_XORG=	x11 xmu
 
 GNU_CONFIGURE=	yes
@@ -25,8 +27,12 @@ PLIST_FILES=	bin/xclip bin/xclip-copyfile bin/xclip-cutfile \
 		bin/xclip-pastefile \
 		man/man1/xclip.1.gz man/man1/xclip-copyfile.1.gz
 
-post-patch:
-	${REINPLACE_CMD} 's,mktemp,mktemp -t xclip,' ${WRKSRC}/xclip-copyfile
+PORTDOCS=	README
+OPTIONS_DEFINE=		DOCS
+
+do-install-DOCS-on:
+	@${MKDIR} ${STAGEDIR}${DOCSDIR}
+	${INSTALL_MAN} ${WRKSRC}/README ${STAGEDIR}${DOCSDIR}
 
 post-install:
 	${STRIP_CMD} ${STAGEDIR}${PREFIX}/bin/xclip

x11/xclip/files/patch-xclip-copyfile

@@ -0,0 +1,11 @@
+--- xclip-copyfile.orig	2016-09-13 07:09:12 UTC
++++ xclip-copyfile
+@@ -5,7 +5,7 @@ if [ "x$1" = "x" ]; then
+     echo "-p Copy path information; preserve tree structure"
+     exit 1
+ fi
+-archive=`mktemp` || exit 1
++archive=`mktemp -t xclip` || exit 1
+ trap 'rm -f "${archive}"' 1 2 3 15
+ if [ "x$1" = "x-p" ]; then
+     tar cf "${archive}" "$@"

x11/xclip/files/patch-xclip-pastefile

@@ -0,0 +1,8 @@
+--- xclip-pastefile.orig	2020-11-05 09:03:17 UTC
++++ xclip-pastefile
+@@ -4,4 +4,4 @@ if [ "x$1" != "x" ]; then
+     echo "Usage: $0" >&2
+     exit 1
+ fi
+-xclip -selection secondary -o | gunzip -c | tar xv
++xclip -selection secondary -o | gunzip -c | tar xv -f -