$ git clone -n https://src.fedoraproject.org/rpms/simh.git /var/lib/mock/f40-build-2645283-66547/root/chroot_tmpdir/scmroot/simh
Cloning into '/var/lib/mock/f40-build-2645283-66547/root/chroot_tmpdir/scmroot/simh'...
$ git fetch origin 75ae234d801e0b643302ed7388ce853d7c154e74:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/simh
 * [new ref]         75ae234d801e0b643302ed7388ce853d7c154e74 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 75ae234 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild