#1838: do not use getEnv "HOME", use System.Directory.getHomeDirectory
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Reporter: guest | Owner: igloo
Type: bug | Status: reopened
Priority: normal | Milestone: 6.8.3
Component: GHCi | Version: 6.8.2
Severity: normal | Resolution:
Keywords: | Difficulty: Unknown
Testcase: | Architecture: Unknown
Os: Windows |
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Changes (by [EMAIL PROTECTED]):
* status: closed => reopened
* type: merge => bug
* version: 6.6.1 => 6.8.2
* resolution: fixed =>
* milestone: 6.8.2 => 6.8.3
Comment:
Mailing list contributors say the new behaviour is a regression. Their
suggestion is to preserve backwards compatibility, while still allowing
the new behaviour.
Juanma Barranquero says:
In fact, it'd be better if GHC/GHCi would do what Emacs on Windows
does: use HOME if defined, else use ShGetFolderPath to find the
Windows-defined "home directory".
Yitzchak Gale says:
%HOMEPATH% is *not* the usual Windows native way of finding a place for
files like dot-ghci.
Note that the old cmd.exe shell itself is deprecated on Vista - the new
MSH shell is based on .NET.
There I think you would use the IKnownFolders interface to get
(something vagualy analagous to)
the home directory, not %HOMEPATH%
Also, %HOMEPATH% is unsuitable for a Unix-style home directory on pre-
Vista systems, because it usually points to
a directory with spaces in its path name.
%HOME% is the de-facto standard for Unix-like shell applications that
were ported to Windows and
need a home directory. If someone sets that, it means they want to use
the folder in that way. And
yes, that is the way GHCi has been working until now, so I think it
should still be supported if someone
sets it.
Otherwise, the native Windows way is via ShGetFolderPath on pre-Vista,
and ShGetKnownFolder on Vista.
The installer should create a GHC subfolder of that, and that is where
dot-ghci should go on Windows,
unless %HOME% is set.
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/1838#comment:3>
GHC <http://www.haskell.org/ghc/>
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