$ git clone -n https://src.fedoraproject.org/rpms/rust-hexyl.git /var/lib/mock/f40-build-791212-137268/root/chroot_tmpdir/scmroot/rust-hexyl
Cloning into '/var/lib/mock/f40-build-791212-137268/root/chroot_tmpdir/scmroot/rust-hexyl'...
$ git fetch origin ddb0824f7a33c42e8090d0f4b5fa6e0b819ca409:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-hexyl
 * [new ref]         ddb0824f7a33c42e8090d0f4b5fa6e0b819ca409 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ddb0824 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild