$ git clone -n https://src.fedoraproject.org/rpms/rust-twox-hash.git /var/lib/mock/f42-build-3251792-41222/root/chroot_tmpdir/scmroot/rust-twox-hash
Cloning into '/var/lib/mock/f42-build-3251792-41222/root/chroot_tmpdir/scmroot/rust-twox-hash'...
$ git fetch origin 05fd43c57f6b094815a941c5d5848d11f775604c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-twox-hash
 * [new ref]         05fd43c57f6b094815a941c5d5848d11f775604c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 05fd43c Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild