$ git clone -n https://gitee.com/mgb01105731/tigervnc.git /var/lib/mock/dist-an23-build-129064-46217/root/chroot_tmpdir/scmroot/tigervnc
Cloning into '/var/lib/mock/dist-an23-build-129064-46217/root/chroot_tmpdir/scmroot/tigervnc'...
$ git reset --hard origin/a23
HEAD is now at 318c296  add doc package