darcs patch: Be lazier in user config creation, and don't fail on m...

[Ian Lynagh]

Hi all,

Currently, building ghc with a non-writable home directory is failing:

../utils/ghc-pkg/ghc-pkg-inplace  -f ../driver/package.conf --force --update-package <package.conf.installed
Creating user package database in /home/ian/.ghc/x86_64-linux-6.5/package.conf
ghc-pkg.bin: /home/ian/.ghc: createDirectory: permission denied (Permission denied)

which is a problem for the Debian packages.

I'm not entirely sure what the logic in ghc-pkg is meant to do as I
would have thought it should create ../driver/package.conf rather than
/home/ian/.ghc/x86_64-linux-6.5/package.conf, but this patch stops it
creating any empty package.conf, leaving it to create it when it
actually has something to put in it.


Thanks
Ian

Sun Jun 25 00:08:00 BST 2006  Ian Lynagh <igloo at earth.li>
  * Be lazier in user config creation, and don't fail on missing configs.

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