lbzip2: Remove homepage; use GitHub

archivers/lbzip2/Portfile

@@ -1,6 +1,7 @@
 # -*- coding: utf-8; mode: tcl; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- vim:fenc=utf-8:ft=tcl:et:sw=4:ts=4:sts=4
 
 PortSystem              1.0
+PortGroup               github 1.0
 PortGroup               legacysupport 1.1
 
 # _SC_NPROCESSORS_ONLN
@@ -9,9 +10,9 @@ legacysupport.newest_darwin_requires_legacy 8
 # link legacysupport statically for archiver
 legacysupport.use_static              yes
 
-name                    lbzip2
-version                 2.5
+github.setup            kjn lbzip2 2.5 v
 revision                3
+
 categories              archivers
 maintainers             {eborisch @eborisch} openmaintainer
 license                 GPL-3+
@@ -21,8 +22,10 @@ description             ${name} - parallel bzip2 compression utility
 long_description        ${name} is a free, multi-threaded compression utility \
                         with support for bzip2 compressed file format.
 
-homepage                http://${name}.org/
-master_sites            http://archive.${name}.org/
+# Change to one of these with next version update.
+#github.tarball_from     archive
+#github.tarball_from     releases
+master_sites            macports_distfiles
 
 checksums \
     rmd160  47346a01d26754ff6d3b78deebad2f6aaa2704bb \
@@ -45,7 +48,3 @@ variant debug \
 
 test.run                yes
 test.target             check
-
-livecheck.url           ${homepage}download
-livecheck.type          regex
-livecheck.regex         {lbzip2-([0-9]+(\.[0-9]+)+)\.tar\.bz2}