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Graham Christensen b80c9ce4a9
stdenv: Validate meta.outputsToInstall 
If meta.outputsToInstall is set to include absent outputs, various
tools break including channel updates and nix-env.

    grahamc@Morbo> nix-env -i -f . -A elf-header-real
    installing 'elf-header'
    error: this derivation has bad 'meta.outputsToInstall'

This patch verifies each value in meta.outputsToInstall is a valid
output. It validates this condition only if checkMeta is true.

    grahamc@Morbo> nix-build . -A elf-header-real
    error: Package ‘elf-header’ in /home/grahamc/projects/nixpkgs/pkgs/development/libraries/elf-header/default.nix:36 has invalid meta.outputsToInstall, refusing to evaluate.

    The package elf-header has set meta.outputsToInstall to: bin

    however elf-header only has the outputs: out

    and is missing the following ouputs:

      - bin

    (use '--show-trace' to show detailed location information)

Note, now the nix-env experience is decidedly worse for users who have
checkMeta set to true:

    grahamc@Morbo> nix-env -i -f . -A elf-header-real; echo $?
    0

though since this is already an issue for unfree, broken, unsupported,
and insecure validity problems I'm not sure we should do something
different here.
2018-09-18 10:38:44 -04:00
.github treewide: remove mailing list references 2018-08-23 09:24:44 -07:00
doc rust.section.md: remove nixcrate reference 2018-09-15 18:38:26 +00:00
lib Merge pull request #46336 from Infinisil/overrideExisting 2018-09-18 11:37:30 +01:00
maintainers Update Anderson Torres e-mail info 2018-09-15 14:21:45 -03:00
nixos Merge pull request #46634 from mdorman/airsonic-parameters 2018-09-18 08:20:53 +01:00
pkgs stdenv: Validate meta.outputsToInstall 2018-09-18 10:38:44 -04:00
.dir-locals.el .dir-locals.el: init 2018-07-06 12:48:43 -04:00
.editorconfig Revert ".version: remove final newline" 2018-04-28 14:23:13 +02:00
.gitattributes gitattributes: disable merge=union in all-packages 2018-03-27 11:03:03 -05:00
.gitignore kde5: consolidate packages into desktops/kde-5 2016-03-01 10:36:00 -06:00
.version 18.09 -> 19.03 2018-09-02 16:45:00 -04:00
COPYING 2018 will be the year of NixOS 2018-01-04 17:59:52 -05:00
default.nix Reference a local copy of the release notes in the 'version too old' warning, plus a redirect to the support links 2018-08-30 09:05:57 -04:00
README.md treewide: remove mailing list references 2018-08-23 09:24:44 -07:00

README.md

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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 https://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-18.03 for the latest release and nixos-unstable for the latest successful build of master:

% git remote update channels
% git rebase channels/nixos-18.03

For pull-requests, please rebase onto nixpkgs master.

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

Communication: