$ git clone -n https://gitee.com/src-anolis-os/gdb.git /var/lib/mock/dist-an23-build-79315-40690/root/chroot_tmpdir/scmroot/gdb
Cloning into '/var/lib/mock/dist-an23-build-79315-40690/root/chroot_tmpdir/scmroot/gdb'...
$ git reset --hard origin/a23
HEAD is now at b65d5a7 readme: add desc for branch