$ git clone -n https://src.fedoraproject.org/rpms/rubygem-charlock_holmes.git /var/lib/mock/f31-build-50870-27445/root/chroot_tmpdir/scmroot/rubygem-charlock_holmes
Cloning into '/var/lib/mock/f31-build-50870-27445/root/chroot_tmpdir/scmroot/rubygem-charlock_holmes'...
$ git reset --hard 746cd1be1f0a9853972aac5e976c0103d2e5850e
HEAD is now at 746cd1b - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild