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Alexey Shmalko 0172558e82 buildEnv: build the whole tree of directories to pathsToLink

This patch fixes #16614 and #16741.

The first issue was caused by the fact that both `/share` and
`/share/fish/vendor_completions.d` end in the `pathsToLink`. The
`pkgs/build-support/buildenv/builder.pl` creates `/share`, then links
`/share/fish` under `/share` and then tries to create the directory
`/share/fish/vendor_completions.d` and fails because it already exists.

The simplest way to reproduce the issue is to build the next Nix
expression:

```nix
let pkgs = import <nixpkgs> { };
in pkgs.buildEnv {
  name = "buildenv-issue";

  paths = [
    pkgs.fish
    pkgs.vim
  ];

  pathsToLink = [
    "/share"
    "/share/fish/vendor_completions.d"
  ];
}
```

The second issue is more critical and was caused by the fact findFiles
doesn't recurse deep enough. It stops at first unique directory for the
package (e.g., "/share" or even "/") and later the scripts decides it
shouldn't link it as it doesn't match pathsToLink (e.g., "/share/fish"),
so the result is empty.

The test:
```nix
let pkgs = import <nixpkgs> { };
in pkgs.buildEnv {
  name = "buildenv-issue";

  paths = [
    pkgs.fish
    pkgs.vim
  ];

  pathsToLink = [
    "/share/fish/functions"
  ];
}
```

or

```nix
let pkgs = import <nixpkgs> { };
in pkgs.buildEnv {
  name = "buildenv-issue";

  paths = [
    pkgs.vim
  ];

  pathsToLink = [
    "/share"
  ];
}
```

2016-07-13 03:54:11 +03:00

.github

PR template: go back to old option name for now

2016-06-29 21:44:05 +02:00

doc

Improve overrideDerivation docs. (#16867 )

2016-07-12 09:57:26 +02:00

lib

lfe: init at 1.1.1 (#16865 )

2016-07-12 13:48:33 +02:00

maintainers

Fix evaluation error in Qt/KDE packages

2016-06-17 09:47:16 -05:00

nixos

Merge branch 'master' into staging

2016-07-12 22:00:10 +02:00

pkgs

buildEnv: build the whole tree of directories to pathsToLink

2016-07-13 03:54:11 +03:00

.gitignore

kde5: consolidate packages into desktops/kde-5

2016-03-01 10:36:00 -06:00

.mention-bot

Blacklist jhasse

2016-03-05 23:23:19 +01:00

.travis.yml

travis-ci: allow failures on osx until nixpkgs channel is unblocked

2016-06-03 12:08:24 +01:00

.version

as always, no newline in .version

2016-02-28 23:39:38 +00:00

COPYING

COPYING: Update year range to 2016 (close #12621 )

2016-01-26 10:10:45 +01:00

default.nix

Extract the top-level logic out of all-packages.nix into pkgs/top-level/default.nix

2016-03-20 16:28:18 +00:00

README.md

README: 15.09 -> 16.03

2016-04-04 14:42:07 -04:00

README.md

Nixpkgs is a collection of packages for the Nix package manager. It is periodically built and tested by the hydra build daemon as so-called channels. To get channel information via git, add nixpkgs-channels as a remote:

% git remote add channels git://github.com/NixOS/nixpkgs-channels.git

For stability and maximum binary package support, it is recommended to maintain custom changes on top of one of the channels, e.g. nixos-16.03 for the latest release and nixos-unstable for the latest successful build of master:

% git remote update channels
% git rebase channels/nixos-16.03

For pull-requests, please rebase onto nixpkgs master.

NixOS linux distribution source code is located inside nixos/ folder.

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