我在 (Windows) 代理后面使用 Ubuntu。我想使用该cabal实用程序。
jem@Respect:~$ cabal update
Config file path source is default config file.
Config file /home/jem/.cabal/config not found.
Writing default configuration to /home/jem/.cabal/config
Downloading the latest package list from hackage.haskell.org
Warning: invalid http proxy uri:
"http://domain\\user:pass@internetproxy:3128/"
Warning: proxy uri must be http with a hostname
Warning: ignoring http proxy, trying a direct connection
^C
已从环境中读取代理 URL。我的代理需要身份验证，但 cabal 希望代理 URL 以主机名开头，因此它可能会提示我输入凭据...
jem@Respect:~$ http_proxy=http://internetproxy:3128/ cabal update
Downloading the latest package list from hackage.haskell.org
No action for prompting/generating user+password …proxy ×1