$ git clone -n https://src.fedoraproject.org/rpms/rust-domain.git /var/lib/mock/f45-build-41391-782/root/chroot_tmpdir/scmroot/rust-domain
Cloning into '/var/lib/mock/f45-build-41391-782/root/chroot_tmpdir/scmroot/rust-domain'...
$ git fetch origin 32359a4be22bae91efc485398d844f34da758486:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-domain
 * [new ref]         32359a4be22bae91efc485398d844f34da758486 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 32359a4 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild