Index: bsd.port.mk
===================================================================
RCS file: /home/pcvs/ports/Mk/bsd.port.mk,v
retrieving revision 1.690
diff -u -r1.690 bsd.port.mk
--- bsd.port.mk	21 Jul 2011 15:10:46 -0000	1.690
+++ bsd.port.mk	2 Aug 2011 12:51:50 -0000
@@ -4237,12 +4237,9 @@
 		IFS=","; for _login in $$members; do \
 			for _user in ${USERS}; do \
 				if [ "x$${_user}" = "x$${_login}" ]; then \
-					list=`${PW} usershow $${_login} -P | ${SED} -ne 's/.*Groups: //p'`; \
-					${ECHO_MSG} "Setting \`$${_login}' groups to \`$$list$${list:+,}${_group}'."; \
-					${PW} usermod $${_login} -G $$list$${list:+,}${_group}; \
-					${ECHO_CMD} "@exec list=\`${PW} usershow $${_login} -P | ${SED} -ne 's/.*Groups: //p'\`; \
-					echo \"Setting '$${_login}' groups to '$$list$${list:+,}${_group}'.\";  \
-					${PW} usermod $${_login} -G $${list},${_group}" >> ${TMPPLIST}; \
+					${ECHO_MSG} "Adding \`$${_login}' to \`${_group}'."; \
+					${PW} groupmod ${_group} -m $${_login}; \
+					${ECHO_CMD} "@exec ${PW} groupmod ${_group} -m $${_login}" >> ${TMPPLIST}; \
 				else \
 					${ECHO_MSG} "==> DEBUG skip login $${_login} =>  not defined in USERS \"( ${USERS} )\""; \
 				fi; \