Terms and Definitions in Nix Project: Difference between revisions

From NixOS Wiki
imported>Nix
m trim anchors
imported>Nix
m add warning against messing with anchor divs
Line 4: Line 4:
If you come across a term or word you don't know, add it here.
If you come across a term or word you don't know, add it here.


<!-- README: Rows in this table with named divs have been linked to in other pages. Avoid renaming or removing any of the divs. -->
{| class="wikitable"
{| class="wikitable"
|-  
|-  
Line 28: Line 29:
|| [https://github.com/NixOS/nixpkgs/blob/master/pkgs/top-level/all-packages.nix#L224 all-packages.nix: <code>stdenv =</code>]]
|| [https://github.com/NixOS/nixpkgs/blob/master/pkgs/top-level/all-packages.nix#L224 all-packages.nix: <code>stdenv =</code>]]
|--------
|--------
|| <div id="user_environment">User Environment</div>
|| <div id="user_environment"></div>User Environment
|| Nix
|| Nix
|| A set of "active" applications. These applications often exist in the Nix store. A single Nix user may have multiple User Environments.
|| A set of "active" applications. These applications often exist in the Nix store. A single Nix user may have multiple User Environments.
Line 38: Line 39:
|| [http://nixos.org/nix/manual/#idp26825824 Nix Manual: Glossary]
|| [http://nixos.org/nix/manual/#idp26825824 Nix Manual: Glossary]
|--------
|--------
|| <div id="generation">Generation</div>
|| <div id="generation"></div>Generation
|| Nix
|| Nix
|| A past revision of a user's environment. This term connotes the cloning and modification of an existing user environment. Nix's environment rollback facilities rely on Generations.
|| A past revision of a user's environment. This term connotes the cloning and modification of an existing user environment. Nix's environment rollback facilities rely on Generations.

Revision as of 03:40, 21 September 2021

Terms and Definitions

If you come across a term or word you don't know, add it here.

Term Context Meaning Related Links
rec { } Nix expressions The { } block contains "mutually recursive" attributes, which means they can refer to each other. Composing the Hello Package
expression evaluator Nix The part of the Nix program which reads and evaluates a Nix expression. Nix Manual: Common Options --arg
Nix Manual: Built-in Functions
Derivation Nix A Nix expression which describes a build action. When evaluated, it creates one or more entries in the Nix Store. The nix-instantiate command is the command which creates entries in the Nix Store, while the nix-env and nix-build commands are its user-friendly interface. Nix Manual: Glossary -> Derivation
Nix Manual: Derivation
stdenv Nix expressions An attribute which contains things expected in the most basic Unix environment. (e.g. Bash shell, gcc, cp, tar, grep, etc.) all-packages.nix: stdenv =]
User Environment
Nix A set of "active" applications. These applications often exist in the Nix store. A single Nix user may have multiple User Environments. Nix Manual: Glossary
User Profile Nix A user's currently selected User Environment. Nix Manual: Glossary
Generation
Nix A past revision of a user's environment. This term connotes the cloning and modification of an existing user environment. Nix's environment rollback facilities rely on Generations. Nix Manual: Profiles
config.nix or nixpkgs-config.nix NixOS Wiki A Nix expression retrieved by and applied to the all-packages.nix Nix expression. This file enables an end-user to customize the Nix expressions contained in the community-owned NixPkgs list or to define entirely new Nix expressions to use with Nix commands. This file's path can be overridden by the NIXPKGS_CONFIG environment variable. all-packages.nix: config

NixPkgs Release Notes

attribute path nix-env takes this if you pass the `-A` flag [1] an unambiguous identifier for a package
symbolic package name [2] This string represents what you commonly think of as a package. There can be multiple packages with the symbolic name "hello".
selector this term is used in nix-env error messages [3], it seems to be actually a DrvName struct [4] (a derivation name) see "symbolic package name"
selection path nix-shell error message [5] see "attribute path"[6]
derivation name manual[7], source code [8] see "symbolic package name"
package name IRC[9] see "symbolic package name"
attribute selection path source[10] see "attribute path"

Template:Bottom whitespace