没有“cabal升级”的最佳解决方法是什么？ [英] What's the best workaround for not having "cabal upgrade"?

问题描述

我想升级所有的软件包，而不仅仅是一个特定的软件包，它包含 cabal install --upgrade-dependencies 。

I want to upgrade all packages, not just a specific one with cabal install --upgrade-dependencies.

推荐答案

这个shell hackery在OS X上适用于我：

This bit of shell hackery works for me on OS X:

cabal list --simple-output --installed | awk '{print $1}' | uniq | xargs -I {} cabal install {} --reinstall

编辑：现在强制重新安装，并避免在存在多个版本时多次安装包。感谢您的评论！

EDIT: Now forces a reinstall, and avoids installing a package more than once when more than one version is present. Thanks for the comments!

编辑年份：现在Cabal沙盒和堆栈存在，我强烈建议不要试图升级软件包。如果你只能消灭现有的沙箱并重新安装最新的依赖关系，那么最终会导致更少的麻烦。

EDIT YEARS LATER: Now that Cabal sandboxes and Stack exist, I strongly recommend against trying to upgrade packages in place. You'll end up with far fewer headaches if you instead can just wipe out an existing sandbox and reinstall up-to-date dependencies.

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