$ git clone -n https://src.fedoraproject.org/rpms/flare-engine.git /var/lib/mock/f40-build-1996493-44023/root/chroot_tmpdir/scmroot/flare-engine
Cloning into '/var/lib/mock/f40-build-1996493-44023/root/chroot_tmpdir/scmroot/flare-engine'...
$ git fetch origin 997643216c27d4d2b22592e7b5e172661ded2e7a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/flare-engine
 * [new ref]         997643216c27d4d2b22592e7b5e172661ded2e7a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9976432 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild