$ git clone -n https://gitee.com/fundawang/system-rpm-config.git /var/lib/mock/dist-an23-build-201950-60978/root/chroot_tmpdir/scmroot/system-rpm-config
Cloning into '/var/lib/mock/dist-an23-build-201950-60978/root/chroot_tmpdir/scmroot/system-rpm-config'...
$ git reset --hard 3263a9cb312f23b2038000f33073f3eaef4c603b
HEAD is now at 3263a9c Add macros.build-constraints from upstream for huge packages