$ git clone -n https://src.fedoraproject.org/rpms/mvfst.git /var/lib/mock/f42-build-3533026-46329/root/chroot_tmpdir/scmroot/mvfst
Cloning into '/var/lib/mock/f42-build-3533026-46329/root/chroot_tmpdir/scmroot/mvfst'...
$ git fetch origin 23558e581e8dcdcc667fa86d759d06911f0b71d9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mvfst
 * [new ref]         23558e581e8dcdcc667fa86d759d06911f0b71d9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 23558e5 Update to version 2025.02.03.00; Fixes: RHBZ#2309480