$ git clone -n https://gitee.com/fundawang/gstreamer1-plugins-base.git /var/lib/mock/dist-an23-build-184501-60433/root/chroot_tmpdir/scmroot/gstreamer1-plugins-base
Cloning into '/var/lib/mock/dist-an23-build-184501-60433/root/chroot_tmpdir/scmroot/gstreamer1-plugins-base'...
$ git fetch origin c6bf509e88336dab30575635f6285128864e5037:KOJI_FETCH_HEAD
From https://gitee.com/fundawang/gstreamer1-plugins-base
 * [new ref]         c6bf509e88336dab30575635f6285128864e5037 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c6bf509 1.20.5