[MacPorts] #68562: ocaml-astring: extract is broken

[MacPorts]

#68562: ocaml-astring: extract is broken
--------------------------+---------------------------
 Reporter:  barracuda156  |      Owner:  pguyot
     Type:  defect        |     Status:  assigned
 Priority:  Normal        |  Milestone:
Component:  ports         |    Version:  2.8.1
 Keywords:                |       Port:  ocaml-astring
--------------------------+---------------------------
 How did it even pass CI?

 {{{
 --->  Extracting astring-0.8.5.tbz
 Executing:  cd
 "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports
 .org_macports_release_tarballs_ports_ocaml_ocaml-astring/ocaml-
 astring/work" && /usr/bin/gzip -dc '/opt/local/var/macports/distfiles
 /ocaml-astring/astring-0.8.5.tbz' | /usr/bin/gnutar --no-same-owner -xf -

 gzip: /opt/local/var/macports/distfiles/ocaml-astring/astring-0.8.5.tbz:
 not in gzip format
 }}}

 What works is this:
 {{{
 distfiles           astring-${version}.tbz
 use_bzip2           yes
 extract.rename      yes
 }}}

-- 
Ticket URL: <https://trac.macports.org/ticket/68562>
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