$ git clone -n https://src.fedoraproject.org/rpms/perl-Sub-Attribute.git /var/lib/mock/f31-build-45315-26308/root/thebuilddir/tmp/scmroot/perl-Sub-Attribute
Cloning into '/var/lib/mock/f31-build-45315-26308/root/thebuilddir/tmp/scmroot/perl-Sub-Attribute'...
$ git reset --hard bc7462fad788a2ee3f5a05128e4923360c0ac302
HEAD is now at bc7462f Perl 5.30 rebuild