$ git clone -n https://gitee.com/src-anolis-os/gstreamer1.git /var/lib/mock/dist-an8.7-build-142720-57617/root/chroot_tmpdir/scmroot/gstreamer1
Cloning into '/var/lib/mock/dist-an8.7-build-142720-57617/root/chroot_tmpdir/scmroot/gstreamer1'...
$ git reset --hard origin/a8
HEAD is now at 7ac9658 Add doc sub package