$ git clone -n https://src.fedoraproject.org/rpms/deepin-api.git /var/lib/mock/f39-build-1507974-35325/root/chroot_tmpdir/scmroot/deepin-api
Cloning into '/var/lib/mock/f39-build-1507974-35325/root/chroot_tmpdir/scmroot/deepin-api'...
$ git fetch origin b7e7f61e5ac409870196d04921e39bcf8e9d2b72:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/deepin-api
 * [new ref]         b7e7f61e5ac409870196d04921e39bcf8e9d2b72 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b7e7f61 New release 5.5.32