$ git clone -n https://src.fedoraproject.org/rpms/rust-helvum.git /var/lib/mock/f38-build-720982-98056/root/chroot_tmpdir/scmroot/rust-helvum
Cloning into '/var/lib/mock/f38-build-720982-98056/root/chroot_tmpdir/scmroot/rust-helvum'...
$ git reset --hard 19e610de275cb6a246b9bc7283e077763a18ff29
HEAD is now at 19e610d Update to version 0.4.0; Fixes RHBZ#2169221