Index: games/dMagnetic/Makefile
===================================================================
--- games/dMagnetic/Makefile    (revision 523257)
+++ games/dMagnetic/Makefile    (working copy)
@@ -1,7 +1,7 @@
 # $FreeBSD$

 PORTNAME=      dMagnetic
-PORTVERSION=   0.18
+PORTVERSION=   0.21
 CATEGORIES=    games
 MASTER_SITES=  https://www.dettus.net/dMagnetic/
 DISTNAME=      ${PORTNAME}_${PORTVERSION}
@@ -12,6 +12,8 @@
 LICENSE=       BSD2CLAUSE
 LICENSE_FILE=  ${WRKSRC}/LICENSE.txt

+USES=          tar:bz2
+
 do-install:
        ${INSTALL_PROGRAM} ${WRKSRC}/${PORTNAME} ${STAGEDIR}${PREFIX}/bin
        ${INSTALL_MAN} ${WRKSRC}/dMagnetic.1 ${STAGEDIR}${MANPREFIX}/man/man1
@@ -21,4 +23,11 @@
        ${MKDIR} ${STAGEDIR}/${DOCSDIR}
        ${INSTALL_DATA} ${WRKSRC}/README.txt ${STAGEDIR}/${DOCSDIR}

+do-test:
+       cd ${WRKSRC}/testcode; if [ `echo Hello | ../dMagnetic \
+       -mag minitest.mag -gfx minitest.gfx \
+       -vmode low_ansi -vecho -vcols 300 -vrows 300 | \
+       sha256 ` == 86ca2731a4333ed24203c5bda33e71a222e864cb22debe656de52157e89ab1ea ]; \
+       then echo ok; else echo expected output not seen; exit 1; fi
+
 .include <bsd.port.mk>
Index: games/dMagnetic/distinfo
===================================================================
--- games/dMagnetic/distinfo    (revision 523257)
+++ games/dMagnetic/distinfo    (working copy)
@@ -1,3 +1,3 @@
-TIMESTAMP = 1559222642
-SHA256 (dMagnetic_0.18.tar.gz) = 527cd6dd9140a3ff01c29545f74be140d146b8207bafbccca54a36cb79c3610f
-SIZE (dMagnetic_0.18.tar.gz) = 61210
+TIMESTAMP = 1579421242
+SHA256 (dMagnetic_0.21.tar.bz2) = 32ab4e43aaa2521c71ceea2e26b62d4fbd46a749727e7537a0b38c9e98675e7d
+SIZE (dMagnetic_0.21.tar.bz2) = 55031