$ git clone -n https://gitee.com/gcdota930915/umockdev.git /var/lib/mock/dist-an8.7-build-170850-58933/root/chroot_tmpdir/scmroot/umockdev
Cloning into '/var/lib/mock/dist-an8.7-build-170850-58933/root/chroot_tmpdir/scmroot/umockdev'...
$ git reset --hard origin/a8
HEAD is now at b5893ba Add doc sub pack