1 - Makefile

# Created by: Dan Langille <dvl@FreeBSD.org>
# $FreeBSD$

PORTNAME=       marvel
PORTVERSION=    2.2.0
CATEGORIES=     textproc perl5
MASTER_SITES=   http://download.elastic.co/elasticsearch/release/org/elasticsearch/plugin/license/${PORTVERSION}/:source1 \
                http://download.elastic.co/elasticsearch/release/org/elasticsearch/plugin/marvel-agent/${PORTVERSION}/:source2
PKGNAMEPREFIX=  elasticsearch-plugin
DISTFILES=      license-${DISTVERSIONPREFIX}${DISTVERSION}${DISTVERSIONSUFFIX}${EXTRACT_SUFX}:source1 \
                marvel-agent-${DISTVERSIONPREFIX}${DISTVERSION}${DISTVERSIONSUFFIX}${EXTRACT_SUFX}:source2

MAINTAINER=     dvl@FreeBSD.org
COMMENT=        ElasticSearch Marvel Monitoring Plugin

LICENSE=        COMMERCIAL
LICENSE_NAME=   Free for development; license required for production use
LICENSE_TEXT=   License available from Elasticsearch for production use.
LICENSE_TEXT+=  See http://www.elasticsearch.com/marvel/ for more details.
LICENSE_PERMS=  dist-mirror dist-sell pkg-mirror pkg-sell no-auto-accept

RUN_DEPENDS:=   elasticsearch2>2.0.0:${PORTSDIR}/textproc/elasticsearch2

#NO_WRKSUBDIR=  yes
NO_BUILD=       yes
LEGAL_TEXT=     ${LICENSE_NAME_COMMERCIAL}
PLIST_SUB=      VERSION=${PORTVERSION}

USES+=          zip

#do-extract:
#       @${MKDIR} ${WRKSRC}
#       ( cd ${WRKSRC} && ${EXTRACT_CMD} ${EXTRACT_BEFORE_ARGS} ${DISTDIR}/${DISTNAME}${EXTRACT_SUFX} ${EXTRACT_AFTER_ARGS} )

do-install:
        @${MKDIR} ${STAGEDIR}${PREFIX}/lib/elasticsearch/plugins/marvel
        @cd ${WRKSRC} && ${COPYTREE_SHARE} marvel ${STAGEDIR}${PREFIX}/lib/elasticsearch/plugins/
        @cd ${WRKSRC} && ${INSTALL_DATA} marvel-${PORTVERSION}.jar ${STAGEDIR}${PREFIX}/lib/elasticsearch/plugins/marvel

.include <bsd.port.mk>

2 - NO_WRKSUBDIR= not specified

root@93R-10082015:/wrkdirs/usr/ports/textproc/elasticsearch-plugin-marvel2/work # ls -l
total 340
-rw-r--r--  1 root  wheel   19668 Mar  8 15:40 .PLIST.mktmp
-rw-r--r--  1 root  wheel       0 Mar  8 15:40 .build_done.marvel._usr_local
-rw-r--r--  1 root  wheel       0 Mar  8 15:39 .configure_done.marvel._usr_local
-rw-r--r--  1 root  wheel       0 Mar  8 15:39 .extract_done.marvel._usr_local
-rw-r--r--  1 root  wheel       0 Mar  8 15:39 .patch_done.marvel._usr_local
-rwxr-xr-x  1 root  wheel   43590 Oct 21 08:42 LICENSE.txt
-rwxr-xr-x  1 root  wheel     155 Oct 21 08:42 NOTICE.txt
-rwxr-xr-x  1 root  wheel   71376 Nov 20 11:49 license-2.1.0.jar
-rwxr-xr-x  1 root  wheel   22217 Nov 20 11:49 license-core-2.1.0.jar
-rwxr-xr-x  1 root  wheel    9401 Nov 20 11:49 license-plugin-api-2.1.0.jar
-rwxr-xr-x  1 root  wheel  159536 Nov 20 11:51 marvel-agent-2.1.0.jar
-rwxr-xr-x  1 root  wheel    2600 Nov 20 11:51 plugin-descriptor.properties
drwxr-xr-x  3 root  wheel      40 Mar  8 15:40 stage
root@93R-10082015:/wrkdirs/usr/ports/textproc/elasticsearch-plugin-marvel2/work # 

3 - NO_WRKSUBDIR= yes

root@93R-10082015:/wrkdirs/usr/ports/textproc/elasticsearch-plugin-marvel2/work # ls -l
total 340
-rw-r--r--  1 root  wheel   19668 Mar  8 15:46 .PLIST.mktmp
-rw-r--r--  1 root  wheel       0 Mar  8 15:46 .build_done.marvel._usr_local
-rw-r--r--  1 root  wheel       0 Mar  8 15:46 .configure_done.marvel._usr_local
-rw-r--r--  1 root  wheel       0 Mar  8 15:46 .extract_done.marvel._usr_local
-rw-r--r--  1 root  wheel       0 Mar  8 15:46 .patch_done.marvel._usr_local
-rwxr-xr-x  1 root  wheel   43590 Oct 21 08:42 LICENSE.txt
-rwxr-xr-x  1 root  wheel     155 Oct 21 08:42 NOTICE.txt
-rwxr-xr-x  1 root  wheel   71376 Nov 20 11:49 license-2.1.0.jar
-rwxr-xr-x  1 root  wheel   22217 Nov 20 11:49 license-core-2.1.0.jar
-rwxr-xr-x  1 root  wheel    9401 Nov 20 11:49 license-plugin-api-2.1.0.jar
-rwxr-xr-x  1 root  wheel  159536 Nov 20 11:51 marvel-agent-2.1.0.jar
-rwxr-xr-x  1 root  wheel    2600 Nov 20 11:51 plugin-descriptor.properties
drwxr-xr-x  3 root  wheel      40 Mar  8 15:46 stage
root@93R-10082015:/wrkdirs/usr/ports/textproc/elasticsearch-plugin-marvel2/work # 

4 - the goal: plugins

When you manually install the plugins with elasticsearch plugin command, you get these files:

[dvl@sdev01 /usr/local/lib/elasticsearch/plugins]$ find . 
.
./license
./license/plugin-descriptor.properties
./license/NOTICE.txt
./license/license-core-2.1.0.jar
./license/license-plugin-api-2.1.0.jar
./license/license-2.1.0.jar
./license/LICENSE.txt
./marvel-agent
./marvel-agent/LICENSE.txt
./marvel-agent/NOTICE.txt
./marvel-agent/plugin-descriptor.properties
./marvel-agent/marvel-agent-2.1.0.jar