$ git clone -n https://src.fedoraproject.org/rpms/casc.git /var/lib/mock/f40-build-1992294-43580/root/chroot_tmpdir/scmroot/casc
Cloning into '/var/lib/mock/f40-build-1992294-43580/root/chroot_tmpdir/scmroot/casc'...
fatal: unable to access 'https://src.fedoraproject.org/rpms/casc.git/': OpenSSL SSL_connect: SSL_ERROR_SYSCALL in connection to src.fedoraproject.org:443