$ git clone -n https://src.fedoraproject.org/rpms/mimedefang.git /var/lib/mock/f40-build-792385-138334/root/chroot_tmpdir/scmroot/mimedefang
Cloning into '/var/lib/mock/f40-build-792385-138334/root/chroot_tmpdir/scmroot/mimedefang'...
$ git fetch origin 1696f13c8501f7f10449ed11cd81ddce950d4307:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mimedefang
 * [new ref]         1696f13c8501f7f10449ed11cd81ddce950d4307 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1696f13 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild