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devenv.yaml

Key Value
allowUnfree Allow unfree packages. Defaults to false.
inputs Defaults to inputs.nixpkgs.url: github:NixOS/nixpkgs/nixpkgs-unstable.
inputs.<name> Identifier name used when passing the input in your devenv.nix function.
inputs.<name>.url URI specification of the input, see below for possible values.
inputs.<name>.flake Does the input contain flake.nix or devenv.nix. Defaults to true.
inputs.<name>.overlays A list of overlays to include from the input.
imports A list of relative paths or references to inputs to import devenv.nix.
permittedInsecurePackages A list of insecure permitted packages.

inputs.<name>.url

  • github:NixOS/nixpkgs/master
  • github:NixOS/nixpkgs?rev=238b18d7b2c8239f676358634bfb32693d3706f3
  • github:foo/bar?dir=subdir
  • git+ssh://git@github.com/NixOS/nix?ref=v1.2.3
  • git+https://git.somehost.tld/user/path?ref=branch&rev=fdc8ef970de2b4634e1b3dca296e1ed918459a9e
  • path:/path/to/repo
  • hg+https://...
  • tarball+https://example.com/foobar.tar.gz
  • sourcehut:~misterio/nix-colors/21c1a380a6915d890d408e9f22203436a35bb2de?host=hg.sr.ht
  • file+https://
  • file:///some/absolute/file.tar.gz

An extensive example

allowUnfree: true
inputs:
  nixpkgs:
    url: github:NixOS/nixpkgs/nixpkgs-unstable
  myproject:
    url: github:owner/myproject
    flake: false
  myproject2:
    url: github:owner/myproject
    overlays:
      - default
imports:
  - ./frontend
  - ./backend
  - myproject
  - myproject/relative/path