$ git clone -n https://src.fedoraproject.org/rpms/genesis-simulator.git /var/lib/mock/f40-build-799553-142440/root/chroot_tmpdir/scmroot/genesis-simulator
Cloning into '/var/lib/mock/f40-build-799553-142440/root/chroot_tmpdir/scmroot/genesis-simulator'...
$ git fetch origin a69c71ce9bd396f960074c58b50fdc0fcb6f4862:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/genesis-simulator
 * [new ref]         a69c71ce9bd396f960074c58b50fdc0fcb6f4862 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a69c71c Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild