$ git clone -n https://src.fedoraproject.org/rpms/rust-spdx.git /var/lib/mock/f39-build-2232848-53349/root/chroot_tmpdir/scmroot/rust-spdx
Cloning into '/var/lib/mock/f39-build-2232848-53349/root/chroot_tmpdir/scmroot/rust-spdx'...
$ git fetch origin f2543dfcc681d6e9787d945c1c1a35e4c7fc8e7f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-spdx
 * [new ref]         f2543dfcc681d6e9787d945c1c1a35e4c7fc8e7f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f2543df Update to version 0.10.3; Fixes RHBZ#2256745