$ git clone -n https://src.fedoraproject.org/rpms/rust-users.git /var/lib/mock/f40-build-2064222-49167/root/chroot_tmpdir/scmroot/rust-users
Cloning into '/var/lib/mock/f40-build-2064222-49167/root/chroot_tmpdir/scmroot/rust-users'...
$ git fetch origin 00c7893a57431450a757424e6e79f9a22b5e3428:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-users
 * [new ref]         00c7893a57431450a757424e6e79f9a22b5e3428 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 00c7893 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild