$ git clone -n https://src.fedoraproject.org/rpms/mvfst.git /var/lib/mock/f41-build-846913-163497/root/chroot_tmpdir/scmroot/mvfst
Cloning into '/var/lib/mock/f41-build-846913-163497/root/chroot_tmpdir/scmroot/mvfst'...
$ git fetch origin 6220def6c731ba720ff9ed256080afef615e3a1d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mvfst
 * [new ref]         6220def6c731ba720ff9ed256080afef615e3a1d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6220def Update to version 2024.08.19.00; Fixes: RHBZ#2300957