$ git clone -n https://gitee.com/src-opencloudos-rpms/polkit.git /var/lib/mock/dist-oc8-build-75169-52131/root/chroot_tmpdir/scmroot/polkit
Cloning into '/var/lib/mock/dist-oc8-build-75169-52131/root/chroot_tmpdir/scmroot/polkit'...
$ git fetch origin 8d18afecbbabd28851290c39ad310dbc2068db3c:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/polkit
 * [new ref]         8d18afecbbabd28851290c39ad310dbc2068db3c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8d18afe import polkit-0.115-15.tl3.2