$ git clone -n https://src.fedoraproject.org/rpms/deepin-daemon.git /var/lib/mock/f39-build-1773404-41503/root/chroot_tmpdir/scmroot/deepin-daemon
Cloning into '/var/lib/mock/f39-build-1773404-41503/root/chroot_tmpdir/scmroot/deepin-daemon'...
$ git fetch origin 579df8904d95e6c613c7bebd031247977eb9c3a9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/deepin-daemon
 * [new ref]         579df8904d95e6c613c7bebd031247977eb9c3a9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 579df89 BR revised