$ git clone -n https://src.fedoraproject.org/rpms/bontmia.git /var/lib/mock/f40-build-2274748-55026/root/chroot_tmpdir/scmroot/bontmia
Cloning into '/var/lib/mock/f40-build-2274748-55026/root/chroot_tmpdir/scmroot/bontmia'...
$ git fetch origin 2db1047ef05d6e688db26b96214eed6a97bc1619:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/bontmia
 * [new ref]         2db1047ef05d6e688db26b96214eed6a97bc1619 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2db1047 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild