$ git clone -n https://src.fedoraproject.org/rpms/memavaild.git /var/lib/mock/f40-build-2010405-45598/root/chroot_tmpdir/scmroot/memavaild
Cloning into '/var/lib/mock/f40-build-2010405-45598/root/chroot_tmpdir/scmroot/memavaild'...
$ git fetch origin ecd314f3d3607041d394d75d0e8c1f62a02799fe:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/memavaild
 * [new ref]         ecd314f3d3607041d394d75d0e8c1f62a02799fe -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ecd314f Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild