$ git clone -n https://src.fedoraproject.org/rpms/rust-afterburn.git /var/lib/mock/f39-build-1673821-40875/root/chroot_tmpdir/scmroot/rust-afterburn
Cloning into '/var/lib/mock/f39-build-1673821-40875/root/chroot_tmpdir/scmroot/rust-afterburn'...
$ git fetch origin 7af4123edacc94fa8129a1ea14f95c1aa9bec987:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-afterburn
 * [new ref]         7af4123edacc94fa8129a1ea14f95c1aa9bec987 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7af4123 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild