$ git clone -n https://gitee.com/src-anolis-os/libunistring.git /var/lib/mock/dist-an23-build-141711-53403/root/chroot_tmpdir/scmroot/libunistring
Cloning into '/var/lib/mock/dist-an23-build-141711-53403/root/chroot_tmpdir/scmroot/libunistring'...
$ git reset --hard origin/a23
HEAD is now at 4291ab1 optimise spec file & add doc package