$ git clone -n https://src.fedoraproject.org/rpms/python-fastapi.git /var/lib/mock/f40-build-2388651-60504/root/chroot_tmpdir/scmroot/python-fastapi
Cloning into '/var/lib/mock/f40-build-2388651-60504/root/chroot_tmpdir/scmroot/python-fastapi'...
$ git fetch origin 75ac4d3182990c6a5ba52a1efe4f01f2e696e0e2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-fastapi
 * [new ref]         75ac4d3182990c6a5ba52a1efe4f01f2e696e0e2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 75ac4d3 Restore i686 support