$ git clone -n https://src.fedoraproject.org/rpms/rust-libbpf-cargo.git /var/lib/mock/f40-build-2248789-53962/root/chroot_tmpdir/scmroot/rust-libbpf-cargo
Cloning into '/var/lib/mock/f40-build-2248789-53962/root/chroot_tmpdir/scmroot/rust-libbpf-cargo'...
$ git fetch origin 2a5310c3d9d5a79de3a0af5da58edce67efeb8a4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-libbpf-cargo
 * [new ref]         2a5310c3d9d5a79de3a0af5da58edce67efeb8a4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2a5310c Fix license breakdown for libbpf-cargo subpackage