$ git clone -n https://src.fedoraproject.org/rpms/rust-sev.git /var/lib/mock/f41-build-side-1-3137309-39792/root/chroot_tmpdir/scmroot/rust-sev
Cloning into '/var/lib/mock/f41-build-side-1-3137309-39792/root/chroot_tmpdir/scmroot/rust-sev'...
$ git fetch origin 3451cad6b3e313718f0ed4fd9cd284a214531af5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-sev
 * [new ref]         3451cad6b3e313718f0ed4fd9cd284a214531af5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3451cad Regenerate spec with rust2rpm