$ git clone -n https://src.fedoraproject.org/rpms/rust-maplit.git /var/lib/mock/f40-build-2037838-48131/root/chroot_tmpdir/scmroot/rust-maplit
Cloning into '/var/lib/mock/f40-build-2037838-48131/root/chroot_tmpdir/scmroot/rust-maplit'...
$ git fetch origin 4bb3ff5aafc354c1da812553ac4bd7650399bf22:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-maplit
 * [new ref]         4bb3ff5aafc354c1da812553ac4bd7650399bf22 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4bb3ff5 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild