$ git clone -n https://src.fedoraproject.org/rpms/perl-Math-Calc-Units.git /var/lib/mock/f37-build-11508-1745/root/chroot_tmpdir/scmroot/perl-Math-Calc-Units
Cloning into '/var/lib/mock/f37-build-11508-1745/root/chroot_tmpdir/scmroot/perl-Math-Calc-Units'...
$ git reset --hard 966e90aa15d02c91346dfbfa0cfe1a44d98b85e4
HEAD is now at 966e90a Spec clean-up