$ git clone -n https://gitee.com/src-anolis-os/libev.git /var/lib/mock/dist-an23-build-82030-41338/root/chroot_tmpdir/scmroot/libev
Cloning into '/var/lib/mock/dist-an23-build-82030-41338/root/chroot_tmpdir/scmroot/libev'...
$ git reset --hard origin/a23
HEAD is now at 0a32fbb  Init upstream libev for anolis os 23