$ git clone -n https://src.fedoraproject.org/rpms/rust-tzfile.git /var/lib/mock/f40-build-2644206-66498/root/chroot_tmpdir/scmroot/rust-tzfile
Cloning into '/var/lib/mock/f40-build-2644206-66498/root/chroot_tmpdir/scmroot/rust-tzfile'...
$ git fetch origin fe8c93066fb78e5368a7743691c34bcea1d268b4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-tzfile
 * [new ref]         fe8c93066fb78e5368a7743691c34bcea1d268b4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fe8c930 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild