percona-toolkit: add +perl5_28 variant as the default

* simplify port using perl5 portgroup
* update homepage to use https and avoid redirects

See: https://trac.macports.org/ticket/58361

databases/percona-toolkit/Portfile

@@ -1,75 +1,46 @@
 # -*- 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           perl5 1.0
 
 name                percona-toolkit
-version             3.0.12
+
+perl5.require_variant   yes
+perl5.conflict_variants yes
+perl5.branches          5.26 5.28
+perl5.create_variants   ${perl5.branches}
+perl5.link_binaries_suffix
+
+perl5.setup         ${name} 3.0.12
+
 categories          databases
 platforms           darwin
 license             GPL
 maintainers         nomaintainer
 description         Collection of essential command-line utilities for MySQL
 long_description    ${description}
 
-homepage            http://www.percona.com/software/percona-toolkit
+homepage            https://www.percona.com/software/database-tools/percona-toolkit
 master_sites        https://www.percona.com/downloads/percona-toolkit/$version/source/tarball
 
 checksums           rmd160 0f322694b47432fa7998cd3d1fe434b7013adc16 \
                     sha256 7d15d6b186a0fa6e45a1f9c390fab210b1d18f66d24d58b1bea30d2f59b35e20 \
                     size   16205557
 
-set mp.perl.versions {
-    5.26
-}
-set mp.perl.select  [lindex ${mp.perl.versions} end]
-set mp.names        {}
-foreach mp.perl.version ${mp.perl.versions} {
-
-    lappend mp.names "perl[string map  {. _} ${mp.perl.version}]"
-}
-foreach mp.name ${mp.names} {
-
-    set idx [lsearch ${mp.names} ${mp.name}]
-    set mp.perl.version [lindex ${mp.perl.versions} $idx]
-    set mp.conflicts [lreplace ${mp.names} $idx $idx]
-    variant ${mp.name} \
-        description "Use MacPorts perl ${mp.perl.version}" \
-        conflicts {*}${mp.conflicts} {
-    }
-    if [variant_isset ${mp.name}] {
-
-        set mp.perl.select ${mp.perl.version}
-    }
-}
-default_variants    +perl[string map  {. _} ${mp.perl.select}]
-
-depends_lib-append  port:p${mp.perl.select}-time-hires \
-                    port:p${mp.perl.select}-dbd-mysql \
-                    port:p${mp.perl.select}-dbi \
-                    port:p${mp.perl.select}-term-readkey
+depends_lib         port:perl${perl5.major} \
+                    port:p${perl5.major}-time-hires \
+                    port:p${perl5.major}-dbd-mysql \
+                    port:p${perl5.major}-dbi \
+                    port:p${perl5.major}-term-readkey
 
 post-patch {
-
-    reinplace "s|#!/usr/bin/env *perl|#!${prefix}/bin/perl${mp.perl.select}|" {*}[glob ${worksrcpath}/bin/*]
+    reinplace "s|#!/usr/bin/env *perl|#!${perl5.bin}|" {*}[glob ${worksrcpath}/bin/*]
 }
 
-configure.env       PERL_AUTOINSTALL=--skipdeps
-configure.pre_args  Makefile.PL
-configure.args      INSTALLDIRS=vendor
-
-
-configure.cmd       ${prefix}/bin/perl${mp.perl.select}
 post-destroot {
-
-    foreach f [glob -directory ${destroot}${prefix}/libexec/perl${mp.perl.select} -type f -tails *] {
-
-        ln -s ${prefix}/libexec/perl${mp.perl.select}/${f} ${destroot}${prefix}/bin/${f}
-    }        
-
-    foreach f [glob -directory ${destroot}${prefix}/share/perl${mp.perl.select}/man/man1 -type f -tails *] {
-
-        ln -s ${prefix}/share/perl${mp.perl.select}/man/man1/${f} ${destroot}${prefix}/share/man/man1/${f}
-    }        
+    foreach f [glob -directory ${destroot}${prefix}/share/perl${perl5.major}/man/man1 -type f -tails *] {
+        ln -s ${prefix}/share/perl${perl5.major}/man/man1/${f} ${destroot}${prefix}/share/man/man1/${f}
+    }
 }
 
 livecheck.url       https://www.percona.com/downloads/percona-toolkit/