$ git clone -n https://gitee.com/src-anolis-os/libunistring.git /var/lib/mock/dist-lifsea8-build-75536-39258/root/chroot_tmpdir/scmroot/libunistring
Cloning into '/var/lib/mock/dist-lifsea8-build-75536-39258/root/chroot_tmpdir/scmroot/libunistring'...
$ git reset --hard origin/a8
HEAD is now at d2998fb import libunistring-0.9.9-3.el8.src.rpm