$ git clone -n https://src.fedoraproject.org/rpms/dirgra.git /var/lib/mock/f40-build-2117648-50725/root/chroot_tmpdir/scmroot/dirgra
Cloning into '/var/lib/mock/f40-build-2117648-50725/root/chroot_tmpdir/scmroot/dirgra'...
$ git fetch origin 69bbb6baf856a7b8e1e7613fbad586e36e4ac605:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/dirgra
 * [new ref]         69bbb6baf856a7b8e1e7613fbad586e36e4ac605 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 69bbb6b Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild