$ git clone -n git+ssh://git@codeup.openanolis.cn/codeup/anolis-os/libpng12.git /var/lib/mock/dist-an7-build-28877-15319/root/chroot_tmpdir/scmroot/libpng12
Cloning into '/var/lib/mock/dist-an7-build-28877-15319/root/chroot_tmpdir/scmroot/libpng12'...
$ git reset --hard origin/a7
HEAD is now at 1564f1a import libpng12-1.2.50-10.el7.src.rpm