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{ pkgs ? import <nixpkgs> {} }: | |
with pkgs; | |
let | |
inherit (lib) optional optionals; | |
erlangDrv = { mkDerivation }: | |
mkDerivation rec { | |
version = "21.0"; |
This document contains some ideas for additions to the Nix language.
The Nix package manager, Nixpkgs and NixOS currently have several problems:
enableFoo
, but there is no way for the Nix
UI to discover them, let alone to provide programmatic ways to$ curl https://nixos.org/nix/install | sh
Found all these from nix-repl
. Use builtins.fetchTarball
for nixpkgs pinning!
builtins.fetchurl
builtins.fetchTarball
pkgs.fetchFromBitbucket
pkgs.fetchFromGitHub
pkgs.fetchFromGitLab
pkgs.fetchFromRepoOrCz
pkgs.fetchFromSavannah
Lower precedence means a stronger binding; ie. this list is sorted from strongest to weakest binding, and in the case of equal precedence between two operators, the associativity decides the binding.
Prec | Abbreviation | Example | Assoc | Description |
---|---|---|---|---|
1 | SELECT | e . attrpath [or def] |
none | Select attribute denoted by the attribute path attrpath from set e . (An attribute path is a dot-separated list of attribute names.) If the attribute doesn’t exist, return default if provided, otherwise abort evaluation. |
2 | APP | e1 e2 |
left | Call function e1 with argument e2 . |
3 | NEG | -e |
none | Numeric negation. |
4 | HAS_ATTR | e ? attrpath |
none | Test whether set e contains the attribute denoted by attrpath ; return true or false. |
5 | CONCAT | e1 ++ e2 |
right | List concatenation. |
6 | MUL | e1 * e2 |
le |
function Get-DirectoryContent { | |
<# | |
.SYNOPSIS | |
Function to get directory content | |
.EXAMPLE | |
Get-DirectoryContent -Path "C:\" -HeaderName "poshserver.net" -RequestURL "http://poshserver.net" -SubfolderName "/" | |
with import <nixpkgs> {}; | |
stdenv.mkDerivation rec { | |
name = "env"; | |
env = buildEnv { name = name; paths = buildInputs; }; | |
buildInputs = [ | |
yarn | |
nodejs-6_x | |
elixir | |
postgresql96 |
If you want a run-down of the 1.3 changes and the design decisions behidn those changes, check out the LonestarElixir Phoenix 1.3 keynote: https://www.youtube.com/watch?v=tMO28ar0lW8
To use the new phx.new
project generator, you can install the archive with the following command:
$ mix archive.install https://github.com/phoenixframework/archives/raw/master/phx_new.ez
Phoenix v1.3.0 is a backwards compatible release with v1.2.x. To upgrade your existing 1.2.x project, simply bump your phoenix dependency in mix.exs
: