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22 commits

Author SHA1 Message Date
Eelco Dolstra
83dfa89870 * Sync with the trunk. 2010-05-07 14:46:47 +00:00
Ludovic Courtès
4750065ada buildenv: Special-case Python's site.py' and site.pyc'.
* corepkgs/buildenv/builder.pl.in (createLinks): Skip `site.py' and
  `site.pyc' files.
2010-05-05 20:46:41 +00:00
Ludovic Courtès
4bab25a28d buildenv: Special-case Python's `easy-install.pth' files.
* corepkgs/buildenv/builder.pl.in (createLinks): Skip `easy-install.pth'
  files.  Comment the hack.
2010-05-03 13:13:38 +00:00
Eelco Dolstra
fe2d869e04 * Store user environment manifests as a Nix expression in
$out/manifest.nix rather than as an ATerm.

  (Hm, I thought I committed this two days ago...)
2010-04-21 15:08:58 +00:00
Eelco Dolstra
30beeb27a9 * Set the right priorities when recovering from a directory
collision.
2007-05-02 19:38:02 +00:00
Eelco Dolstra
a46db5d013 * Package conflict resolution through priority levels. If there is a
user environment collission between two packages due to overlapping
  file names, then a package with a higher priority will overwrite the
  symlinks of a package with a lower priority.  E.g.,

    $ nix-env --set-flag priority 5 gcc
    $ nix-env --set-flag priority 10 binutils

  gives gcc a higher priority than binutils (higher number = lower
  priority).
2007-04-27 23:28:44 +00:00
Eelco Dolstra
3d05166086 * Allow conflicting packages to be kept in a user environment, and
allow switching between them (NIX-80).

  Example: two versions of Pan:

    $ nix-env -q pan
    pan-0.128
    pan-0.14.2.91

    $ readlink $(which pan)
    /nix/store/l38jrbilw269drpjkx7kinhrxj6fjh59-pan-0.14.2.91/bin/pan

  At most one of them can be active any given time.  Assuming than
  0.14.2.91 is active, you can active 0.128 as follows:

    $ nix-env --set-flag active false pan-0.14.2.91
    $ nix-env --set-flag active true pan-0.128

    $ readlink $(which pan)
    /nix/store/nziqwnlzy7xl385kglxhg75pfl5i936n-pan-0.128/bin/pan

  More flags to follow.
2007-04-27 22:40:59 +00:00
Eelco Dolstra
5ca45d085e * Use "propagated-user-env-packages", not "propagated-build-inputs"
for packages that should be propagated to the user environment.
2006-09-25 15:11:59 +00:00
Eelco Dolstra
02f2335712 * Propagated packages now have lower priority; they are symlinked
*after* the packages that have been explicitly installed, and
  collisions are ignored.
2006-09-25 15:07:45 +00:00
Eelco Dolstra
561a07f51d * Revert unintentional commit. 2006-08-22 13:18:51 +00:00
Eelco Dolstra
18e4ac0fc6 * `nix-instantiate --{eval|parse}-only --xml': print an XML
representation instead of an ATerm.
* Indent XML output.
2006-08-16 10:32:30 +00:00
Eelco Dolstra
b5988004d6 * Support for srcdir != builddir (NIX-41). 2006-05-12 11:47:45 +00:00
Eelco Dolstra
3fae65d4cc * Adhockery. 2005-07-22 20:37:39 +00:00
Eelco Dolstra
543d7a41dc * Automatically add propagated build inputs to user environments.
Maybe this is a bad idea.
2005-03-07 13:27:56 +00:00
Eelco Dolstra
37d7abd694 * New language feature: with expressions.
The expression `with E1; E2' evaluates to E2 with all bindings in
  the attribute set E1 substituted.  E.g.,

    with {x = 123;}; x

  evaluates to 123.  That is, the attribute set E1 is in scope in E2.

  This is particularly useful when importing files containing lots
  definitions.  E.g., instead of

    let {
      inherit (import ./foo.nix) a b c d e f;

      body = ... a ... f ...;
    }

  we can now say

    with import ./foo.nix;

    ... a ... f ...

  I.e., we don't have to say what variables should be brought into scope.
2004-10-25 16:54:56 +00:00
Niels Janssen
995d08208e * prevent collision on log directory 2004-09-19 15:53:37 +00:00
Eelco Dolstra
2be8ac48bb * Make the creation of user environments much faster and more storage
efficient by creating only a single symlink to entire directory
  trees unless a collission occurs.
2004-04-06 11:42:28 +00:00
Eelco Dolstra
beda10f5a2 * Make perl a dependency of Nix. 2004-03-15 15:23:53 +00:00
Eelco Dolstra
6d46e647ba * Fixed the old envpkgs filename. 2004-02-04 16:20:51 +00:00
Eelco Dolstra
94175e978a * RPM spec file.
* Respect DESTDIR variable.
2003-12-30 20:09:00 +00:00
Eelco Dolstra
af7e6fe22e * Don't use a hard-coded path. 2003-11-22 21:12:36 +00:00
Eelco Dolstra
9898746ef3 * nix-env: a tool to manage user environments.
* Replace all directory reading code by a generic readDirectory()
  function.
2003-11-19 17:27:16 +00:00