Emacs 在运行编译命令时忽略我的路径

问题描述

我正在尝试在 Mac OS X 系统上使用特定的 ruby​​ 版本运行编译命令(耙黄瓜)，我目前在终端中使用 rvm 执行此操作.我的 ~/.MacOSX/environment.plist 中有正确的路径，但 emacs 坚持在这条路径前面加上，因此使它无用.我也试过:

I'm trying to get a compile command (rake cucumber) to run with a specific ruby version on my Mac OS X system, I use rvm to do this currently in the terminal. My ~/.MacOSX/environment.plist has the correct path in it, but emacs insists on prepending to this path and therefore making it useless. I've also tried:

(when (equal system-type 'darwin)
  (setenv "PATH" (concat "/Users/fearoffish/.rvm/bin:/Users/fearoffish/.rvm/rubies/ruby-1.8.7-p249/bin:/Users/fearoffish/.rvm/gems/ruby-1.8.7-p249/bin:/Users/fearoffish/.rvm/gems/ruby-1.8.7-p249%global/bin:/Users/fearoffish/.rvm/bin"))
  (push "/Users/fearoffish/.rvm/bin" exec-path)
  (push "/Users/fearoffish/.rvm/rubies/ruby-1.8.7-p249/bin" exec-path)
  (push "/Users/fearoffish/.rvm/gems/ruby-1.8.7-p249/bin" exec-path)
  (push "/Users/fearoffish/.rvm/gems/ruby-1.8.7-p249%global/bin" exec-path)
  (push "/Users/fearoffish/.rvm/bin" exec-path))

这是一个 emacs 初学者为了得到我想要的东西而拼命的尝试.它仍然放在它前面，所以我的路径最终是:

It was the desperate attempt of an emacs beginner to get what I wanted. It still prepends in front of it, so my path ends up being:

/usr/bin:/bin:/usr/sbin:/sbin:/usr/local/bin:/usr/X11/bin:/Users/fearoffish/.rvm/bin:/Users/fearoffish/.rvm/rubies/ruby-1.8.7-p249/bin:/Users/fearoffish/.rvm/gems/ruby-1.8.7-p249/bin:/Users/fearoffish/.rvm/gems/ruby-1.8.7-p249%global/bin

我不希望/usr/bin 和其他人在前面，我希望 my 路径在前面，emacs 路径在最后，我认为这可以解决我的问题.

I don't want /usr/bin and others prepending, I want my path first and the emacs prepended path to be at the end, I reckon this would fix my problem.

我通过简单地打开 Aquamacs 并运行 meta-x compile 然后 echo $PATH 来测试这个.

I test this by simply opening Aquamacs and running meta-x compile and then echo $PATH.

有什么想法吗?

推荐答案

sanityinc 对解决方案的一个小修改(在上面的评论中找不到输入它的方法 - 只有我吗?)

A small modification to the solution by sanityinc (couldn't find a way to enter it in the comments above -- is that just me?)

• 我对 shell 使用 -l 选项来强制登录 shell(读取 .profile 或 .bash_profile)，而不是一个交互式 shell(仅读取 .bashrc).
• 我对返回的路径进行了一些字符串修剪(因为检查显示有一个换行符潜入).

• I use -l option to the shell to force a login shell (which reads .profile or .bash_profile), rather than an interactive shell (which only reads .bashrc).
• I do some string trimming on the returned path (as inspection shows a newline sneaking in).

修改后的代码:

(defun set-exec-path-from-shell-PATH ()
  (let ((path-from-shell
      (replace-regexp-in-string "[[:space:]
]*$" ""
        (shell-command-to-string "$SHELL -l -c 'echo $PATH'"))))
    (setenv "PATH" path-from-shell)
    (setq exec-path (split-string path-from-shell path-separator))))
(when (equal system-type 'darwin) (set-exec-path-from-shell-PATH))

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