$ git clone -n https://src.fedoraproject.org/rpms/rust-quick-error.git /var/lib/mock/f38-build-side-42-init-devel-1394953-31050/root/chroot_tmpdir/scmroot/rust-quick-error
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1394953-31050/root/chroot_tmpdir/scmroot/rust-quick-error'...
$ git fetch origin 87f91d31295c72632cb8b0810bb01d6068511bda:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-quick-error
 * [new ref]         87f91d31295c72632cb8b0810bb01d6068511bda -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 87f91d3 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild