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Re: Using cygwin bash shell with NT Emacs, path is not setup perfectly

Ken Brown wrote:
On 8/25/2007 8:30 PM, Eric Lilja wrote:
Ok, it seems that /etc/profile is not read when I start cygwin bash using M-x shell and I think that may be a problem.

I can't find the earlier message(s) in this thread, so I'm not sure of the context. But you might be able to solve your problem by customizing the emacs variable explicit-bash-args to include "-l" or "--login".


Thanks, but unfortunately it didn't help. I read and post using gmane (set up as a news server under thunderbird) and it took hours before my post showed up and it sounds like people didn't get see it even then.

Here's the original post:

Hello, I'm using a native win32 version emacs and I want M-x shell to invoke Cygwin's bash instead of the default shell. Everything seems to work except that the path does not get setup properly.

Here's the output from echo $PATH when bash is run under nt emacs:
$ echo $PATH
/usr/bin:/usr/local/bin:/usr/bin:/usr/bin:/usr/X11R6/bin:/cygdrive/c/Program/MiKTeX 2.6/miktex/bin:/cygdrive/c/WINDOWS/system32:/cygdrive/c/WINDOWS:/cygdrive/c/WINDOWS/System32/Wbem:/cygdrive/c/emacs/bin

Here's the same command when started using cygwin.bat:
$ echo $PATH
/usr/local/bin:/usr/bin:/bin:/usr/X11R6/bin:/cygdrive/c/Program/MiKTeX 2.6/miktex/bin:/cygdrive/c/WINDOWS/system32:/cygdrive/c/WINDOWS:/cygdrive/c/WINDOWS/System32/Wbem:/cygdrive/c/emacs/bin

See the difference? Under ntemacs I get /usr/bin twice in a row instead of /usr/bin:/bin:

This is causing problems for me. Why is this happening and how can I solve it?

Here's the relevant section of my .emacs. It's basically what's on the emacs wiki (I added ansi-color.for-comint-mode-on and removed the setting of the HOME variable as that is availabe anyway on my system):
(let* ((cygwin-root "c:/cygwin")
(cygwin-bin (concat cygwin-root "/bin")))
;(setenv "HOME" (concat cygwin-root "/home/eric"))
(setenv "PATH" (concat cygwin-bin ";" (getenv "PATH")))
(setq exec-path (cons cygwin-bin exec-path))

     (setq shell-file-name "bash")
     (setq explicit-shell-file-name "bash")
     (add-hook 'comint-mode-hook 'ansi-color-for-comint-mode-on)))

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