$ git clone -n http://8.131.229.236/anolis-os/python-setuptools_scm /var/lib/mock/module-python27-2.7-8020020210324140512-ff983833-build-10250-1813/root/chroot_tmpdir/scmroot/python-setuptools_scm Cloning into '/var/lib/mock/module-python27-2.7-8020020210324140512-ff983833-build-10250-1813/root/chroot_tmpdir/scmroot/python-setuptools_scm'... fatal: unable to access 'http://8.131.229.236/anolis-os/python-setuptools_scm/': The requested URL returned error: 504