$ git clone -n git+ssh://git@codeup.openanolis.cn/codeup/anolis-os/libsigc_plus_plus20.git /var/lib/mock/dist-an8.4-build-21888-11483/root/chroot_tmpdir/scmroot/libsigc_plus_plus20
Cloning into '/var/lib/mock/dist-an8.4-build-21888-11483/root/chroot_tmpdir/scmroot/libsigc_plus_plus20'...
$ git reset --hard origin/a8
HEAD is now at da0688c update to libsigc++20-2.10.0-6.el8.src.rpm