我正在尝试使用Nix在Jekyll中构建github页面，但遇到一个问题，运行此Nix derivation会产生以下问题：
these derivations will be built:
/nix/store/kwjjmldnp427zsm23f4j9bihxn0qihkh-nonredact.drv
building path(s) ‘/nix/store/g3lqyr2gc9cc9prl0sjj9q1pfkkcw8ca-nonredact’
unpacking sources
unpacking source archive /nix/store/gs7qjaqkmf1s97kkp230vj37v9jvar20-nonredact
source root is nonredact
patching sources
configuring
no configure script, doing nothing
building
Configuration file: /nix/store/gs7qjaqkmf1s97kkp230vj37v9jvar20-nonredact/_config.yml
Source: /nix/store/gs7qjaqkmf1s97kkp230vj37v9jvar20-nonredact
Destination: /nix/store/g3lqyr2gc9cc9prl0sjj9q1pfkkcw8ca-nonredact
Incremental build: disabled. Enable with --incremental
Generating...
GitHub Metadata: No GitHub API authentication could be found. Some fields may be missing or have incorrect data.
Liquid Exception: SSL_connect returned=1 errno=0 state=error: certificate verify failed (unable to get local issuer certificate) in /_layouts/default.html
jekyll 3.6.2 | Error: SSL_connect returned=1 errno=0 state=error: certificate verify failed (unable to get local issuer certificate)
builder for ‘/nix/store/kwjjmldnp427zsm23f4j9bihxn0qihkh-nonredact.drv’ failed with exit code 1
error: build of ‘/nix/store/kwjjmldnp427zsm23f4j9bihxn0qihkh-nonredact.drv’ failed
您可以看到它尝试执行SSL_connect来验证证书。 Nix不允许网络连接，因此为了使用nix-build建立此版本，我需要它不要尝试连接网络。
我想知道是否有人知道在构建静态github页面时如何关闭它与外界的连接？
这是为了使我可以使用此Nix派生将其与CI一起构建。