$ git clone -n https://src.fedoraproject.org/rpms/golang-github-emersion-milter.git /var/lib/mock/f40-build-2667533-67158/root/chroot_tmpdir/scmroot/golang-github-emersion-milter
Cloning into '/var/lib/mock/f40-build-2667533-67158/root/chroot_tmpdir/scmroot/golang-github-emersion-milter'...
$ git fetch origin 465724b1f37bfecbd0720e813bbe2edddef49888:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-emersion-milter
 * [new ref]         465724b1f37bfecbd0720e813bbe2edddef49888 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 465724b Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild