$ git clone -n https://src.fedoraproject.org/rpms/rust-libbpf-sys.git /var/lib/mock/f45-build-42884-797/root/chroot_tmpdir/scmroot/rust-libbpf-sys
Cloning into '/var/lib/mock/f45-build-42884-797/root/chroot_tmpdir/scmroot/rust-libbpf-sys'...
$ git fetch origin b19f99b8a9e6526b722f921294ec92a6b1e4af4a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-libbpf-sys
 * [new ref]         b19f99b8a9e6526b722f921294ec92a6b1e4af4a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b19f99b Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild