$ git clone -n https://src.fedoraproject.org/rpms/perl-Math-Int64.git /var/lib/mock/f33-build-123705-39027/root/chroot_tmpdir/scmroot/perl-Math-Int64
Cloning into '/var/lib/mock/f33-build-123705-39027/root/chroot_tmpdir/scmroot/perl-Math-Int64'...
$ git reset --hard b34b774fc7c36bc1ba653b15ea3c815a9e3ff4db
HEAD is now at b34b774 Modernize spec file