$ git clone -n https://gitee.com/yan1hcdc/gstreamer1-plugins-base.git /var/lib/mock/dist-an23-build-445771-73283/root/chroot_tmpdir/scmroot/gstreamer1-plugins-base
Cloning into '/var/lib/mock/dist-an23-build-445771-73283/root/chroot_tmpdir/scmroot/gstreamer1-plugins-base'...
$ git fetch origin d3e820e8289efe41ebc8acde3fe07275c5625041:KOJI_FETCH_HEAD
From https://gitee.com/yan1hcdc/gstreamer1-plugins-base
 * [new ref]         d3e820e8289efe41ebc8acde3fe07275c5625041 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d3e820e Rebuild with libtheora 1.2.0 for riscv