$ git clone -n https://src.fedoraproject.org/rpms/megaglest.git /var/lib/mock/f40-build-2297202-56448/root/chroot_tmpdir/scmroot/megaglest
Cloning into '/var/lib/mock/f40-build-2297202-56448/root/chroot_tmpdir/scmroot/megaglest'...
$ git fetch origin d71b5f4d87fb6dc62e145906a9d3eddad26623c8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/megaglest
 * [new ref]         d71b5f4d87fb6dc62e145906a9d3eddad26623c8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d71b5f4 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild