$ git clone -n https://src.fedoraproject.org/rpms/cmigemo.git /var/lib/mock/f40-build-797687-141431/root/chroot_tmpdir/scmroot/cmigemo
Cloning into '/var/lib/mock/f40-build-797687-141431/root/chroot_tmpdir/scmroot/cmigemo'...
$ git fetch origin 7d17b370d105feff08316a29dfb684f55e4c2d16:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/cmigemo
 * [new ref]         7d17b370d105feff08316a29dfb684f55e4c2d16 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7d17b37 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild