$ git clone -n https://src.fedoraproject.org/rpms/rust-rpki.git /var/lib/mock/f41-build-811109-147141/root/chroot_tmpdir/scmroot/rust-rpki
Cloning into '/var/lib/mock/f41-build-811109-147141/root/chroot_tmpdir/scmroot/rust-rpki'...
$ git fetch origin 710a9968c4c906379bcb6018ca22e118e54b2219:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-rpki
 * [new ref]         710a9968c4c906379bcb6018ca22e118e54b2219 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 710a996 Rebuild with Rust 1.78 to fix incomplete debuginfo and backtraces