$ git clone -n https://src.fedoraproject.org/rpms/simfqt.git /var/lib/mock/f40-build-2206246-52044/root/chroot_tmpdir/scmroot/simfqt
Cloning into '/var/lib/mock/f40-build-2206246-52044/root/chroot_tmpdir/scmroot/simfqt'...
$ git fetch origin 6be633cce19ee48bc4ffe19433b66570f6948535:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/simfqt
 * [new ref]         6be633cce19ee48bc4ffe19433b66570f6948535 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6be633c Modernized the spec file