$ git clone -n https://src.fedoraproject.org/rpms/rust-ulid.git /var/lib/mock/f45-build-45822-828/root/chroot_tmpdir/scmroot/rust-ulid
Cloning into '/var/lib/mock/f45-build-45822-828/root/chroot_tmpdir/scmroot/rust-ulid'...
$ git fetch origin b3d827ae031550cfe56edb5cd19e85bb3617164b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-ulid
 * [new ref]         b3d827ae031550cfe56edb5cd19e85bb3617164b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b3d827a Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild