$ git clone -n https://src.fedoraproject.org/rpms/perl-POSIX-2008.git /var/lib/mock/f31-build-44354-26065/root/thebuilddir/tmp/scmroot/perl-POSIX-2008
Cloning into '/var/lib/mock/f31-build-44354-26065/root/thebuilddir/tmp/scmroot/perl-POSIX-2008'...
$ git reset --hard 1115564aeae3d929655cb432c018458fbe61dc73
HEAD is now at 1115564 Perl 5.30 rebuild