$ git clone -n https://src.fedoraproject.org/rpms/rust-btoi.git /var/lib/mock/f40-build-2639937-66383/root/chroot_tmpdir/scmroot/rust-btoi
Cloning into '/var/lib/mock/f40-build-2639937-66383/root/chroot_tmpdir/scmroot/rust-btoi'...
$ git fetch origin 801946c0cfbd305240b9781f1174552a4d6726ad:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-btoi
 * [new ref]         801946c0cfbd305240b9781f1174552a4d6726ad -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 801946c Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild