This commit is contained in:
Sijmen 2021-06-05 10:46:58 +02:00
commit d43eaa037a
Signed by: vijfhoek
GPG Key ID: 82D05C89B28B0DAE
73 changed files with 3061 additions and 0 deletions

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# Editor configuration, see http://editorconfig.org
root = true
[*]
end_of_line = lf
insert_final_newline = true
trim_trailing_whitespace = true
charset = utf-8
indent_style = space
indent_size = 2
# Ignore diffs/patches
[*.{diff,patch}]
end_of_line = unset
insert_final_newline = unset
trim_trailing_whitespace = unset
indent_size = unset
[{.*,secrets}/**]
end_of_line = unset
insert_final_newline = unset
trim_trailing_whitespace = unset
charset = unset
indent_style = unset
indent_size = unset
[*.py]
indent_size = 4
[*.md]
max_line_length = off
trim_trailing_whitespace = false

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watch_file shell/* flake.nix
use flake || use nix

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---
name: Bug report
about: Create a report to help improve
title: ''
labels: 'bug'
assignees: ''
---
Your issue may already be reported!
Please search on the [issue tracker](../) before creating one.
## Expected Behavior
<!--- What should happen? -->
<!--- How it should work? -->
## Current Behavior
<!--- What happens instead of the expected behavior? -->
## Possible Solution
<!--- Not obligatory, but suggest a fix/reason for the bug, -->
<!--- or ideas how to implement the addition or change -->
## Steps to Reproduce
<!--- An unambiguous set of steps to reproduce this bug. -->
<!--- Linked fork or gist if needed. -->
1.
2.
3.
4.
## Context
<!--- How has this issue affected you? What are you trying to accomplish? -->
<!--- Providing context helps us come up with a solution that is most useful in the real world. -->
## Your Environment
<!--- Include relevant details about the environment you experienced the bug in. -->
<!--- If you have run `flk update`, for example, post the flake.lock file. -->

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---
name: Commuity Request
about: inspire contribution to the `community` branch
title: ''
labels: 'community'
assignees: ''
---
Your issue may already be reported!
Please search on the [issue tracker](../) before creating one.
## Ideas
<!--- The `community` branch is meant to provide various preconfigured system options, -->
<!--- useful to all kinds of users. -->
<!--- The point is to engage the community for what it thinks are -->
<!--- sane defaults for various tools. -->
## Requests
<!--- Have a tool that you'd like to see a system profile for? -->
<!--- Feel free to request it here. -->

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---
name: Feature request
about: Suggest an idea
title: ''
labels: 'enhancement'
assignees: ''
---
Your issue may already be reported!
Please search on the [issue tracker](../) before creating one.
## Would your feature fix an existing issue?
<!--- If your idea is related to, or resolves other issues, please mention. -->
## Describe the solution you'd like
<!--- What you want to happen. -->
## Describe alternatives you've considered
<!--- Any alternative solutions or features you've considered? -->
## Additional context
<!--- Is this feature only useful for a particular usecase? -->
<!--- Please elaborate. -->

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name: "Check & Cachix"
on:
push:
branches:
- core
- trying
- staging
jobs:
check:
runs-on: ubuntu-latest
steps:
- uses: actions/checkout@v2.3.4
- uses: cachix/install-nix-action@v13
with:
install_url: https://github.com/numtide/nix-flakes-installer/releases/download/nix-2.4pre20210415_76980a1/install
extra_nix_config: |
experimental-features = nix-command flakes
system-features = nixos-test benchmark big-parallel kvm recursive-nix
substituters = https://nrdxp.cachix.org https://nix-community.cachix.org https://cache.nixos.org
trusted-public-keys = nrdxp.cachix.org-1:Fc5PSqY2Jm1TrWfm88l6cvGWwz3s93c6IOifQWnhNW4= nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs= cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY=
- uses: cachix/cachix-action@v10
with:
name: nrdxp
signingKey: '${{ secrets.CACHIX_SIGNING_KEY }}'
authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
- run: nix -Lv flake check
- run: nix -Lv build ".#nixosConfigurations.NixOS.config.system.build.toplevel"
- run: nix -Lv develop -c echo OK

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name: Deploy Docs to GitHub Pages
on:
push:
branches:
- core
jobs:
deploy:
runs-on: ubuntu-18.04
steps:
- uses: actions/checkout@v2
- name: Setup mdBook
uses: peaceiris/actions-mdbook@v1
with:
mdbook-version: 'latest'
- run: mdbook build doc
- name: Deploy
uses: peaceiris/actions-gh-pages@v3
with:
github_token: ${{ secrets.GITHUB_TOKEN }}
publish_branch: gh-pages
publish_dir: ./doc/book
cname: devos.divnix.com

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name: Release
on:
push:
tags:
- v*
jobs:
changelog:
name: Update Changelog
runs-on: ubuntu-latest
steps:
- name: Get version from tag
env:
GITHUB_REF: ${{ github.ref }}
run: |
export CURRENT_VERSION=${GITHUB_TAG/refs\/tags\/v/}
echo "CURRENT_VERSION=$CURRENT_VERSION" >> $GITHUB_ENV
- name: Checkout code
uses: actions/checkout@v2
with:
ref: core
- name: Update Changelog
uses: heinrichreimer/github-changelog-generator-action@v2.1.1
with:
token: ${{ secrets.GITHUB_TOKEN }}
issues: false
issuesWoLabels: false
pullRequests: true
prWoLabels: true
addSections: '{"documentation":{"prefix":"**Documentation:**","labels":["documentation"]}}'
- uses: stefanzweifel/git-auto-commit-action@v4
with:
commit_message: Update Changelog for tag ${{ env.CURRENT_VERSION }}
file_pattern: CHANGELOG.md
release_notes:
name: Create Release Notes
runs-on: ubuntu-latest
needs: changelog
steps:
- name: Get version from tag
env:
GITHUB_REF: ${{ github.ref }}
run: |
export CURRENT_VERSION=${GITHUB_TAG/refs\/tags\/v/}
echo "CURRENT_VERSION=$CURRENT_VERSION" >> $GITHUB_ENV
- name: Checkout code
uses: actions/checkout@v2
with:
ref: core
- name: Get Changelog Entry
id: changelog_reader
uses: mindsers/changelog-reader-action@v1
with:
version: ${{ env.CURRENT_VERSION }}
path: ./CHANGELOG.md
- name: Create Release
id: create_release
uses: actions/create-release@v1
env:
GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
with:
tag_name: ${{ github.ref }}
release_name: Release ${{ github.ref }}
body: ${{ steps.changelog_reader.outputs.log_entry }}
draft: false
prerelease: false

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result
up
hosts/up-*
.direnv
doc/index.html

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# Changelog
## [v0.10.0](https://github.com/divnix/devos/tree/v0.10.0) (2021-05-24)
**Implemented enhancements:**
- Providing an interface to nixpkgs.config [\#237](https://github.com/divnix/devos/issues/237)
- Making the user available in profiles [\#230](https://github.com/divnix/devos/issues/230)
- copy evaluation store paths to iso [\#195](https://github.com/divnix/devos/issues/195)
- Extract custom system builds from devosSystem out of lib [\#170](https://github.com/divnix/devos/issues/170)
- Allow setting of channel host-wide [\#117](https://github.com/divnix/devos/issues/117)
- alacritty: CSIu support [\#51](https://github.com/divnix/devos/issues/51)
**Fixed bugs:**
- Cachix timeouts + how to disable nrdxp cachix \(if needed\) [\#294](https://github.com/divnix/devos/issues/294)
- default.nix flake-compat is broken [\#285](https://github.com/divnix/devos/issues/285)
- All suites return "attribute missing" [\#282](https://github.com/divnix/devos/issues/282)
- nix is built two times [\#203](https://github.com/divnix/devos/issues/203)
- fix lib docs [\#166](https://github.com/divnix/devos/issues/166)
**Closed issues:**
- eliminate userFlakeNixOS [\#257](https://github.com/divnix/devos/issues/257)
- devos-as-library [\#214](https://github.com/divnix/devos/issues/214)
**Merged pull requests:**
- Update evalArgs to match the new planned API [\#239](https://github.com/divnix/devos/pull/239)
## [v0.9.0](https://github.com/divnix/devos/tree/v0.9.0) (2021-04-19)
**Implemented enhancements:**
- pin inputs into iso live registry [\#190](https://github.com/divnix/devos/issues/190)
- Pass 'self' to lib [\#169](https://github.com/divnix/devos/issues/169)
- doc: quickstart "ISO. What next?" [\#167](https://github.com/divnix/devos/issues/167)
- Integrate Android AOSP putting mobile under control [\#149](https://github.com/divnix/devos/issues/149)
- Inoculate host identity on first use [\#132](https://github.com/divnix/devos/issues/132)
- kubenix support [\#130](https://github.com/divnix/devos/issues/130)
- Improve Home Manager support: profiles/suites, modules, extern, flake outputs [\#119](https://github.com/divnix/devos/issues/119)
- Local CA \(between hosts\) [\#104](https://github.com/divnix/devos/issues/104)
- Q5: git annex for machine state [\#68](https://github.com/divnix/devos/issues/68)
- name space ./pkgs overlays [\#60](https://github.com/divnix/devos/issues/60)
- remap global keys easily [\#57](https://github.com/divnix/devos/issues/57)
- make pass state part of this repo's structure [\#56](https://github.com/divnix/devos/issues/56)
- Incorporate ./shells [\#38](https://github.com/divnix/devos/issues/38)
- Encrypt with \(r\)age [\#37](https://github.com/divnix/devos/issues/37)
**Fixed bugs:**
- `pathsToImportedAttrs` does not accept directories [\#221](https://github.com/divnix/devos/issues/221)
- Cachix caches aren't added to the configuration [\#208](https://github.com/divnix/devos/issues/208)
- Issues with current changelog workflow [\#205](https://github.com/divnix/devos/issues/205)
- iso: systemd service startup [\#194](https://github.com/divnix/devos/issues/194)
- Help adding easy-hls-nix to devos [\#174](https://github.com/divnix/devos/issues/174)
- `flk update` fails because of obsolete flag [\#159](https://github.com/divnix/devos/issues/159)
- Expected that not all packages are exported? [\#151](https://github.com/divnix/devos/issues/151)
- Segmentation fault when generating iso [\#150](https://github.com/divnix/devos/issues/150)
**Documentation:**
- doc: split iso [\#193](https://github.com/divnix/devos/issues/193)
- lib: can depend on pkgs \(a la nixpkgs\#pkgs/pkgs-lib\) [\#147](https://github.com/divnix/devos/pull/147)
**Closed issues:**
- FRRouting router implementation [\#154](https://github.com/divnix/devos/issues/154)
- ARM aarch64 Support [\#72](https://github.com/divnix/devos/issues/72)
## [v0.8.0](https://github.com/divnix/devos/tree/v0.8.0) (2021-03-02)
**Implemented enhancements:**
- semi automatic update for /pkgs [\#118](https://github.com/divnix/devos/issues/118)
- Home-manager external modules from flakes [\#106](https://github.com/divnix/devos/issues/106)
**Fixed bugs:**
- My emacsGcc overlay is not working [\#146](https://github.com/divnix/devos/issues/146)
- local flake registry freezes branches [\#142](https://github.com/divnix/devos/issues/142)
- nixos-option no longer works after collect garbage [\#138](https://github.com/divnix/devos/issues/138)
- Profiles imports are brittle, causing failure if imported twice [\#136](https://github.com/divnix/devos/issues/136)
## [0.7.0](https://github.com/divnix/devos/tree/0.7.0) (2021-02-20)
**Implemented enhancements:**
- add zoxide [\#53](https://github.com/divnix/devos/issues/53)
- Multiarch support? [\#17](https://github.com/divnix/devos/issues/17)
- initial multiArch support [\#18](https://github.com/divnix/devos/pull/18)
**Fixed bugs:**
- Missing shebang from flk.sh [\#131](https://github.com/divnix/devos/issues/131)
- Rename Meta Issue [\#128](https://github.com/divnix/devos/issues/128)
- specialisations break the `system` argument [\#46](https://github.com/divnix/devos/issues/46)
- Revert "Add extraArgs to lib.nixosSystem call to add system args." [\#47](https://github.com/divnix/devos/pull/47)
**Documentation:**
- update home-manager urls [\#62](https://github.com/divnix/devos/pull/62)
**Closed issues:**
- add github action for cachix build ci [\#59](https://github.com/divnix/devos/issues/59)
## [12052020](https://github.com/divnix/devos/tree/12052020) (2020-12-06)
## [07092020](https://github.com/divnix/devos/tree/07092020) (2020-07-09)
\* *This Changelog was automatically generated by [github_changelog_generator](https://github.com/github-changelog-generator/github-changelog-generator)*

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Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

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[![Bors enabled](https://bors.tech/images/badge_small.svg)](https://app.bors.tech/repositories/32678)
[![MIT License](https://img.shields.io/github/license/divnix/devos)][mit]
[![NixOS](https://img.shields.io/badge/NixOS-unstable-blue.svg?style=flat&logo=NixOS&logoColor=white)](https://nixos.org)
> #### ⚠ Advisory ⚠
> DevOS requires the [flakes][flakes] feature available via an _experimental_
> branch of [nix][nix]. Until nix 3.0 is released, this project
> should be considered unstable, though quite usable as flakes have been
> maturing _well_ [for a while](https://github.com/divnix/devos/tree/17713c22d07c54525c728c62060a0428b76dee3b).
# Introduction
DevOS grants a simple template to use, deploy and manage [NixOS][nixos] systems
for personal and productive use. A sane repository structure is provided,
integrating several popular projects like [home-manager][home-manager],
[devshell][devshell], and [more](./doc/integrations).
Striving for ___nix first™___ solutions with unobstrusive implementations,
a [flake centric][flake-doc] approach is taken for useful conveniences such as
[automatic source updates](./pkgs#automatic-source-updates).
Skip the indeterminate nature of other systems, _and_ the perceived
tedium of bootstrapping Nix. It's easier than you think!
### Status: Beta
Although this project has already matured quite a bit, especially through
recent outfactoring of [`digga`][digga], a fair amount of api polishing is still
expected. There are unstable versions (0._x_._x_) to help users keep track
of changes and progress.
## Getting Started
Check out the [guide](https://devos.divnix.com/start) to get up and running.
Also, have a look at [_flake.nix_][toc]. If anything is not immediately
discoverable from there through [`digga`][digga] library's [`mkFlake`][mk-flake],
please file a bug report.
## In the Wild
The author maintains his own branch, so you can take inspiration, direction, or
make critical comments about the [code][please]. 😜
## Motivation
NixOS provides an amazing abstraction to manage our environment, but that new
power can sometimes bring feelings of overwhelm and confusion. Having a turing
complete system can easily lead to unlimited complexity if we do it wrong.
Instead, we should have a community consensus on how to manage a NixOS system
and its satellite projects, from which best practices can evolve.
___The future is declarative! 🎉___
## Community Profiles
There are two branches from which to choose: [core][core] and
[community][community]. The community branch builds on core and includes
several ready-made profiles for discretionary use.
Every package and NixOS profile declared in community is uploaded to
[cachix](./integrations/cachix.md), so everything provided is available
without building anything. This is especially useful for the packages that are
[overridden](./concepts/overrides.md) from master, as without the cache,
rebuilds are quite frequent.
## Shoulders
This work does not reinvent the wheel. It stands on the [shoulders of the
following giants][giants]:
### :onion: &mdash; like the layers of an onion
- [`divnix/digga`][digga]
- [`gytis-ivaskevicius/flake-utils-plus`][fup]
- [`numtide/flake-utils`][fu]
### :family: &mdash; like family
- [`numtide/devshell`][devshell]
- [`serokell/deploy-rs`][deploy]
- [`NixOS/nixpkgs`][nixpkgs]
:heart:
## Inspiration & Art
- [hlissner/dotfiles][dotfiles]
- [nix-user-chroot](https://github.com/nix-community/nix-user-chroot)
- [Nickel](https://github.com/tweag/nickel)
- [Awesome Nix](https://github.com/nix-community/awesome-nix)
- [devshell](https://github.com/numtide/devshell)
## Divnix
The divnix org is an open space that spontaniously formed out of "the Nix".
It is really just a place where otherwise unrelated people a) get
together and b) stuff done.
It's a place to stop "geeking out in isolation" (or within company boundaries),
experiment and learn together and iterate quickly on best practices. That's what it is.
It might eventually become a non-profit if that's not too complicated or if those
goals are sufficiently upstreamed into "the Nix", dissolved.
# License
DevOS is licensed under the [MIT License][mit].
[mk-flake]: https://github.com/divnix/digga/tree/master/src/mkFlake
[nixpkgs]: https://github.com/NixOS/nixpkgs
[deploy]: https://github.com/serokell/deploy-rs
[toc]: https://github.com/divnix/devos/blob/core/flake.nix
[giants]: https://en.wikipedia.org/wiki/Standing_on_the_shoulders_of_giants
[digga]: https://github.com/divnix/digga
[fup]: https://github.com/gytis-ivaskevicius/flake-utils-plus
[fu]: https://github.com/numtide/flake-utils
[devshell]: https://github.com/numtide/devshell
[nix]: https://nixos.org/manual/nix/stable
[mit]: https://mit-license.org
[nixos]: https://nixos.org/manual/nixos/stable
[home-manager]: https://nix-community.github.io/home-manager
[flakes]: https://nixos.wiki/wiki/Flakes
[flake-doc]: https://github.com/NixOS/nix/blob/master/src/nix/flake.md
[core]: https://github.com/divnix/devos
[community]: https://github.com/divnix/devos/tree/community
[dotfiles]: https://github.com/hlissner/dotfiles
[please]: https://github.com/nrdxp/devos/tree/nrd

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status = [ "check" ]
required_approvals = 1
up_to_date_approvals = true

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let
inherit (default.inputs.nixos) lib;
default = (import ./lib/compat).defaultNix;
ciSystems = [
"aarch64-linux"
"i686-linux"
"x86_64-linux"
];
filterSystems = lib.filterAttrs
(system: _: lib.elem system ciSystems);
recurseIntoAttrsRecursive = lib.mapAttrs (_: v:
if lib.isAttrs v
then recurseIntoAttrsRecursive (lib.recurseIntoAttrs v)
else v
);
systemOutputs = lib.filterAttrs
(name: set: lib.isAttrs set
&& lib.any
(system: set ? ${system} && name != "legacyPackages")
ciSystems
)
default.outputs;
ciDrvs = lib.mapAttrs (_: system: filterSystems system) systemOutputs;
in
(recurseIntoAttrsRecursive ciDrvs) // { shell = import ./shell.nix; }

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book

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# Pull Requests
If making a change to core, or adding a feature, please be sure to update the
relevant docs. Each directory contains its own README.md, which will
automatically be pulled into the [mdbook](https://devos.divnix.com). The book is
rendered on every change, so the docs should always be up to date.
We also use [BORS](https://bors.tech) to ensure that all pull requests pass the
test suite once at least one review is completed.
## Community PRs
While much of your work in this template may be idiosyncratic in nature. Anything
that might be generally useful to the broader NixOS community can be synced to
the `community` branch to provide a host of useful NixOS configurations available
"out of the box".
# Style
If you wish to contribute please follow these guidelines:
* format your code with [`nixpkgs-fmt`][nixpkgs-fmt]. The default devshell
includes a pre-commit hook that does this for you.
* The commit message follows the same semantics as [nixpkgs][nixpkgs].
* You can use a `#` symbol to specify ambiguities. For example,
`develop#zsh: <rest of commit message>` would tell me that you're updating the
`zsh` subprofile living under the `develop` profile.
[nixpkgs-fmt]: https://github.com/nix-community/nixpkgs-fmt
[nixpkgs]: https://github.com/NixOS/nixpkgs

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# Summary
- [Introduction](../README.md)
- [Quick Start](./start/index.md)
- [ISO](./start/iso.md)
- [Bootstrapping](./start/bootstrapping.md)
- [From NixOS](./start/from-nixos.md)
- [Key Concepts](./concepts/index.md)
- [Extern](./concepts/extern.md)
- [Hosts](./concepts/hosts.md)
- [Overrides](./concepts/overrides.md)
- [Profiles](./concepts/profiles.md)
- [Suites](./concepts/suites.md)
- [Users](./concepts/users.md)
- [Outputs](./outputs/index.md)
- [Modules](./outputs/modules.md)
- [Overlays](./outputs/overlays.md)
- [Packages](./outputs/pkgs.md)
- [Concerns]()
- [Lib](./lib.md)
- [Secrets](./secrets.md)
- [Tests](./tests.md)
- [Helper Script `flk`](./flk/index.md)
- [up](./flk/up.md)
- [update](./flk/update.md)
- [get](./flk/get.md)
- [iso](./flk/iso.md)
- [install](./flk/install.md)
- [home](./flk/home.md)
- [Integrations](./integrations/index.md)
- [Cachix](./integrations/cachix.md)
- [Deploy RS](./integrations/deploy.md)
- [Hercules CI](./integrations/hercules.md)
- [Contributing](./CONTRIBUTING.md)

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[book]
authors = ["Timothy DeHerrera"]
language = "en"
multilingual = false
src = "."
title = "devos docs"

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# External Art
When you need to use a module, overlay, or pass a value from one of your inputs
to the rest of your NixOS configuration, you can make use of a couple arguments.
It is encouraged to add external art directly in your `flake.nix` so the file
represents a complete dependency overview of your flake.
## Overlays
External overlays can directly be added to a channel's `overlays` list.
flake.nix:
```nix
{
channels.nixos.overlays = [ inputs.agenix.overlay ];
}
```
Upon exporting overlays, these overlays will be automatically filtered out by inspecting the `inputs` argument.
## Modules
There is a dedicated `nixos.hostDefaults.externalModules` argument for external
modules.
flake.nix:
```nix
{
nixos.hostDefaults.externalModules = [ inputs.agenix.nixosModules.age ];
}
```
## Home Manager
Since there isn't a `hosts` concept for home-manager, externalModules is just a
top-level argument in the `home` namespace.
flake.nix:
```nix
{
home.externalModules = [ doom-emacs = doom-emacs.hmModule ];
}
```
> ##### Note:
> To avoid declaring "external" modules separately, which is obvious since they come from `inputs`, the optimal solution would be to automatically export modules that were created in
> your flake. But this is not possible due to NixOS/nix#4740.

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# Hosts
Nix flakes contain an output called `nixosConfigurations` declaring an
attribute set of valid NixOS systems. To simplify the management and creation
of these hosts, devos automatically imports every _.nix_ file inside this
directory to the mentioned attribute set, applying the projects defaults to
each. The only hard requirement is that the file contain a valid NixOS module.
As an example, a file `hosts/system.nix` will be available via the flake
output `nixosConfigurations.system`. You can have as many hosts as you want
and all of them will be automatically imported based on their name.
For each host, the configuration automatically sets the `networking.hostName`
attribute to the name of the file minus the _.nix_ extension. This is for
convenience, since `nixos-rebuild` automatically searches for a configuration
matching the current systems hostname if one is not specified explicitly.
You can set channels, systems, and add extra modules to each host by editing the
`nixos.hosts` argument in flake.nix. This is the perfect place to import
host specific modules from external sources, such as the
[nixos-hardware][nixos-hardware] repository.
It is recommended that the host modules only contain configuration information
specific to a particular piece of hardware. Anything reusable across machines
is best saved for [profile modules](./profiles.md).
This is a good place to import sets of profiles, called [suites](./suites.md),
that you intend to use on your machine.
## Example
flake.nix:
```nix
{
nixos = {
imports = [ (devos.lib.importHosts ./hosts) ];
hosts = {
librem = {
channelName = "latest";
modules = [ nixos-hardware.nixosModules.purism-librem-13v3 ];
};
};
};
}
```
hosts/librem.nix:
```nix
{ suites, ... }:
{
imports = suites.laptop;
boot.loader.systemd-boot.enable = true;
boot.loader.efi.canTouchEfiVariables = true;
fileSystems."/" = { device = "/dev/disk/by-label/nixos"; };
}
```
[nixos-hardware]: https://github.com/NixOS/nixos-hardware

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# Key Concepts
There are few idioms unique to DevOS. This section is dedicated to helping you
understand them.

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# Overrides
Each NixOS host follows one channel. But many times it is useful to get packages
or modules from different channels.
## Packages
You can make use of `overlays/overrides.nix` to override specific packages in the
default channel to be pulled from other channels. That file is simply an example
of how any overlay can get `channels` as their first argument.
You can add overlays to any channel to override packages from other channels.
Pulling the manix package from the `latest` channel:
```nix
channels: final: prev: {
__dontExport = true;
inherit (pkgs.latest) manix;
}
```
It is recommended to set the `__dontExport` property for override specific
overlays. `overlays/overrides.nix` is the best place to consolidate all package
overrides and the property is already set for you.
## Modules
You can also pull modules from other channels. All modules have access to the
`modulesPath` for each channel as `<channelName>ModulesPath`. And you can use
`disabledModules` to remove modules from the current channel.
Pulling the zsh module from the `latest` channel:
```nix
{ latestModulesPath }: {
modules = [ "${latestModulesPath}/programs/zsh/zsh.nix" ];
disabledModules = [ "programs/zsh/zsh.nix" ];
}
```
> ##### _Note:_
> Sometimes a modules name will change from one branch to another.
[nixpkgs-modules]: https://github.com/NixOS/nixpkgs/tree/master/nixos/modules

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# Profiles
Profiles are a convenient shorthand for the [_definition_][definition] of
[options][options] in contrast to their [_declaration_][declaration]. They're
built into the NixOS module system for a reason: to elegantly provide a clear
separation of concerns.
If you need guidance, a community [branch](https://github.com/divnix/devos/tree/community/profiles)
is maintained to help get up to speed on their usage.
## Constraints
For the sake of consistency, a profile should always be defined in a
___default.nix___ containing a [nixos module config][config].
A profile's directory is used for quick modularization of
[interelated bits](./profiles.md#subprofiles).
> ##### _Notes:_
> * For _declaring_ module options, there's the [modules](../outputs/modules.md) directory.
> * This directory takes inspiration from
> [upstream](https://github.com/NixOS/nixpkgs/tree/master/nixos/modules/profiles)
> .
> * Sticking to a simple [spec][spec] has refreshing advantages.
> [hercules-ci](../integrations/hercules.md) expects all profiles to be
> defined in a ___default.nix___, allowing them to be built automatically when
> added. Congruently, [suites](suites.md) expect ___default.nix___ to avoid
> having to manage their paths manually.
## Subprofiles
Profiles can also define subprofiles. They follow the same constraints outlined
above. A good top level profile should be a high level concern, such as your
personal development environment while the subprofiles should be more focused
program configurations such as your text editor, and shell configs. This way,
you can either pull in the whole development profile, or pick and choose
individual programs.
### Example
profiles/develop/default.nix:
```nix
{
imports = [ ./zsh ];
# some generic development concerns ...
}
```
profiles/develop/zsh/default.nix:
```nix
{ ... }:
{
programs.zsh.enable = true;
# zsh specific options ...
}
```
## Conclusion
Profiles are the most important concept in DevOS. They allow us to keep our
Nix expressions self contained and modular. This way we can maximize reuse
across hosts while minimizing boilerplate. Remember, anything machine
specific belongs in your [host](hosts.md) files instead.
[definition]: https://nixos.org/manual/nixos/stable/index.html#sec-option-definitions
[declaration]: https://nixos.org/manual/nixos/stable/index.html#sec-option-declarations
[options]: https://nixos.org/manual/nixos/stable/index.html#sec-writing-modules
[spec]: https://github.com/divnix/devos/tree/core/lib/devos/mkProfileAttrs.nix
[config]: https://nixos.wiki/wiki/Module#structure

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# Suites
Suites provide a mechanism for users to easily combine and name collecitons of
profiles. For good examples, check out the suites defined in the community
[branch](https://github.com/divnix/devos/blob/community/suites/default.nix).
In the future, we will use suites as a mechanism for deploying various machine
types which don't depend on hardware, such as vm's and containers.
They are defined with the `suites` argument in either `home` or `nixos` namespace.
Suites should be passed as a function that take profiles as an argument.
The profiles are passed based on the folder names and list passed to the relevant
`profiles` argument. In the template's flake.nix `profiles` is set as
`[ ./profiles ./users ]` and that corresponds to the `{ profiles, users }` argument
pattern.
## Definition
```nix
rec {
workstation = [ profiles.develop profiles.graphical users.nixos ];
mobileWS = workstation ++ [ profiles.laptop ];
}
```
## Usage
`hosts/my-laptop.nix`:
```nix
{ suites, ... }:
{
imports = suites.mobileWS;
}
```

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# Users
Users are a special case of [profiles](profiles.md) that define system
users and [home-manager][home-manager] configurations. For your convenience,
home manager is wired in by default so all you have to worry about is declaring
your users. For a fully fleshed out example, check out the developers personal
[branch](https://github.com/divnix/devos/tree/nrd/users/nrd/default.nix).
## Basic Usage
`users/myuser/default.nix`:
```nix
{ ... }:
{
users.users.myuser = {
isNormalUser = true;
};
home-manager.users.myuser = {
programs.mpv.enable = true;
};
}
```
## Home Manager
Home Manager support follows the same principles as regular nixos configurations.
All modules defined in [user modules][modules-list] will be imported to
Home Manager. All profiles are availabe in [suites][suites] as userProfiles.
The `userSuites` output will be available in your Home Manager Configuration as
the special argument, `suites`.
## External Usage
You can easily use the defined home-manager configurations outside of NixOS
using the `homeConfigurations` flake output. The [flk](../flk/index.md) helper
script makes this even easier.
This is great for keeping your environment consistent across Unix systems,
including OSX.
### From within the projects devshell:
```sh
# builds the nixos user defined in the NixOS host
flk home NixOS nixos
# build and activate
flk home NixOS nixos switch
```
### Manually from outside the project:
```sh
# build
nix build "github:divnix/devos#homeConfigurations.nixos@NixOS.home.activationPackage"
# activate
./result/activate && unlink result
```
[home-manager]: https://nix-community.github.io/home-manager
[suites]: https://github.com/divnix/devos/tree/core/suites/default.nix
[modules-list]: https://github.com/divnix/devos/tree/core/modules/module-list.nix

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# get
The `get` subcommand is useful for getting a bare copy of devos without the
git history. You can pull either the core or community branches.
## Usage
```sh
flk get BRANCH DEST-DIR
```
If DEST-DIR is ommitted, it defaults to _./flk_.

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# home
The `home` subcommand is for using your home-manager configurations outside of
NixOS, providing an awesome mechanism for keeping your environments
synchronized, even when using other systems.
## Usage
The [users](../concepts/users.md#external-usage) page contains a good usage
example.

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# flk command
The devshell for the project incudes a convenient script for managing your
system called `flk`. Each of the following chapters is a reference for one of
its subcommands.
## Rebuild
Without any of the subcommands, `flk` acts as a convenient shortcut for
`nixos-rebuild`:
```sh
flk NixOS build
```
Will build _hosts/NixOS.nix_. You can change out `build` for `switch`, `test`,
etc. Any additional arguments are passed through to the call to
`nixos-rebuild`.
## Usage
```sh
flk help
```

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# install
The `install` subcommand is a simple convenience for `nixos-install`, similar
to the shortcut for `nixos-rebuild`, all additional arguments are passed
through.
## Example
```sh
flk install NixOS
```
This will install _hosts/NixOS.nix_ to /mnt. You can override this directory
using standard `nixos-install` args.

1
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../start/iso.md

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# up
The `up` subcommand is a simple shortcut for `nixos-generate-config` that is
compatible with devos. There is a short explanation in the the getting started
[guide](../start/from-nixos.md#generate-configuration).

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# update
The `update` subcommand is a simple alias for:
```sh
nix flake update
```
As it sounds, this will update your lock file.
## Updating Package Sources
If you pass directory name then it will update that input if the directory
contains a flake.nix, with an optional arguement to update only a specific
input in the subflake.
For example, you can update any
[package sources](../outputs/pkgs.md#automatic-source-updates) you may have
declared in _pkgs/flake.nix_:
```sh
flk update pkgs
```
or just its _nixpkgs_:
```sh
flk update pkgs nixpkgs
```

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# Cachix
The system will automatically pull a cachix.nix at the root if one exists.
This is usually created automatically by a `sudo cachix use`. If you're more
inclined to keep the root clean, you can drop any generated files in the
`cachix` directory into the `profiles/cachix` directory without further
modification.
For example, to add your own cache, assuming the template lives in /etc/nixos,
by simply running `sudo cachix use yourcache`. Then, optionally, move
`cachix/yourcache.nix` to `profiles/cachix/yourcache.nix`
These caches are only added to the system after a `nixos-rebuild switch`, so it
is recommended to call `cachix use nrdxp` before the initial deployment, as it
will save a lot of build time.
In the future, users will be able to skip this step once the ability to define
the nix.conf within the flake is fully fleshed out upstream.

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# deploy-rs
[Deploy-rs][d-rs] is a tool for managing NixOS remote machines. It was
chosen for devos after the author experienced some frustrations with the
stateful nature of nixops' db. It was also designed from scratch to support
flake based deployments, and so is an excellent tool for the job.
By default, all the [hosts](../concepts/hosts.md) are also available as deploy-rs nodes,
configured with the hostname set to `networking.hostName`; overridable via
the command line.
## Usage
Just add your ssh key to the host:
```nix
{ ... }:
{
users.users.${sshUser}.openssh.authorizedKeys.keyFiles = [
../secrets/path/to/key.pub
];
}
```
And the private key to your user:
```nix
{ ... }:
{
home-manager.users.${sshUser}.programs.ssh = {
enable = true;
matchBlocks = {
${host} = {
host = hostName;
identityFile = ../secrets/path/to/key;
extraOptions = { AddKeysToAgent = "yes"; };
};
};
}
}
```
And run the deployment:
```sh
deploy "flk#hostName" --hostname host.example.com
```
> ##### _Note:_
> Your user will need **passwordless** sudo access
[d-rs]: https://github.com/serokell/deploy-rs

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# Hercules CI
If you start adding your own packages and configurations, you'll probably have
at least a few binary artifacts. With hercules we can build every package in
our configuration automatically, on every commit. Additionally, we can have it
upload all our build artifacts to a binary cache like [cachix][cachix].
This will work whether your copy is a fork, or a bare template, as long as your
repo is hosted on GitHub.
## Setup
Just head over to [hercules-ci.com](https://hercules-ci.com) to make an account.
Then follow the docs to set up an [agent][agent], if you want to deploy to a
binary cache (and of course you do), be sure _not_ to skip the
[binary-caches.json][cache].
## Ready to Use
The repo is already set up with the proper _default.nix_ file, building all
declared packages, checks, profiles and shells. So you can see if something
breaks, and never build the same package twice!
If you want to get fancy, you could even have hercules
[deploy your configuration](https://docs.hercules-ci.com/hercules-ci-effects/guide/deploy-a-nixos-machine/)!
> ##### _Note:_
> Hercules doesn't have access to anything encrypted in the
> [secrets folder](../../secrets), so none of your secrets will accidentally get
> pushed to a cache by mistake.
>
> You could pull all your secrets via your user, and then exclude it from
> [allUsers](https://github.com/nrdxp/devos/blob/nrd/suites/default.nix#L17)
> to keep checks passing.
[agent]: https://docs.hercules-ci.com/hercules-ci/getting-started/#github
[cache]: https://docs.hercules-ci.com/hercules-ci/getting-started/deploy/nixos/#_3_configure_a_binary_cache
[cachix]: https://cachix.org

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# Integrations
This section explores some of the optional tools included with devos to provide
a solution to common concerns such as ci and remote deployment. An effort is
made to choose tools that treat nix, and where possible flakes, as first class
citizens.

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# Lib
The lib directory mirrors the upstream concepts of [`nixpkgs:./lib`][nixpkgs-lib],
[`nixpkgs:./nixos/lib`][nixpkgs-nixos-lib] and [`nixpkgs:./pkgs/pkgs-lib`][nixpkgs-pkgs-lib],
but also occasionally [`nixpkgs:./pkgs/build-support`][nixpkgs-pkgs-build-support].
All functions defined in lib can be accessed in modules and packages as `ourlib`.
For example:
- you want to add a library function that depends on some packages
and use it throughout your devos environment: place it into `./lib`
as if you would place it into [`nixpkgs:./pkgs/pkgs-lib`][nixpkgs-pkgs-lib].
- you want to add library functions that don't depend on `pkgs`: place
them into `./lib` as if you would place them into [`nixpkgs:./lib`][nixpkgs-lib].
- need to try out a newish custom build support: place it here before
upstreaming into [`nixpkgs:./pkgs/build-support`][nixpkgs-pkgs-build-support].
- you want to reutilize certain module configuration functions or helpers:
place them into `./lib` as if you would place them into [`nixpkgs:./nixos/lib`][nixpkgs-nixos-lib].
Once your library grows, we recoomend you start organizing them into subfolders
analogous `nixpkgs`:
| `nixpkgs` | `devos` |
| ---------------------- | ------------------ |
| `./lib` | `./lib` |
| `./pkgs/pkgs-lib` | `./lib/pkgs-lib` |
| `./nixos/lib` | `./lib/nixos-lib` |
| `./pkgs/build-support` | `./lib/pkgs-build` |
## Example
lib/nixos-lib/mkCustomI3BindSym/default.nix:
```nix
{ pkgs, writers, ... }:
{ name, cmd, workspace, baseKey }:
let
isWorkspaceEmpty = writers.writePython3 "is-workspace-empty" {
libraries = [ pkgs.python3Packages.i3ipc ];
} (builtins.readFile ./is-workspace-empty.py);
ws = builtins.toString workspace;
in
''
# ${name}
#bindsym ${baseKey}+${ws} workspace ${ws}; exec ${cmd}
bindsym ${baseKey}+${ws} workspace ${ws}; exec bash -c "${isWorkspaceEmpty} && ${cmd}"
''
```
lib/nixos-lib/mkCustomI3BindSym/is-workspace-empty.py:
```python
# returns 0/1 if current workspace is empty/non-empty
import i3ipc
i3 = i3ipc.Connection()
tree = i3.get_tree()
def current_workspace():
return tree.find_focused().workspace()
if current_workspace().leaves():
print("Error current workspace is not empty")
exit(1)
exit(0)
```
lib/default.nix:
```nix
{ nixos, pkgs, ... }:
# ...
{
# ...
mkCustomI3BindSym = pkgs.callPackage ./nixos-lib/mkCustomI3BindSym { };
}
```
[nixpkgs-lib]: https://github.com/NixOS/nixpkgs/tree/master/lib
[nixpkgs-pkgs-lib]: https://github.com/NixOS/nixpkgs/tree/master/pkgs/pkgs-lib
[nixpkgs-pkgs-build-support]: https://github.com/NixOS/nixpkgs/tree/master/pkgs/build-support
[nixpkgs-nixos-lib]: https://github.com/NixOS/nixpkgs/tree/master/nixos/lib

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## channels
nixpkgs channels to create
*_Type_*:
attribute set of submodules
*_Default_*
```
{}
```
## channels.\<name\>.config
nixpkgs config for this channel
*_Type_*:
attribute set or path convertible to it
*_Default_*
```
{}
```
## channels.\<name\>.input
nixpkgs flake input to use for this channel
*_Type_*:
nix flake
*_Default_*
```
"inputs.<name>"
```
## channels.\<name\>.overlays
overlays to apply to this channel
these will get exported under the 'overlays' flake output
as \<channel\>/\<name\> and any overlay pulled from ${inputs}
will be filtered out
*_Type_*:
list of valid Nixpkgs overlay or path convertible to its or anything convertible to it
*_Default_*
```
[]
```
## channelsConfig
nixpkgs config for all channels
*_Type_*:
attribute set or path convertible to it
*_Default_*
```
{}
```
## home
hosts, modules, suites, and profiles for home-manager
*_Type_*:
submodule
*_Default_*
```
{}
```
## home.externalModules
modules to include that won't be exported
meant importing modules from external flakes
*_Type_*:
list of valid module or path convertible to its
*_Default_*
```
[]
```
## home.modules
modules to include in all hosts and export to homeModules output
*_Type_*:
list of path to a modules or anything convertible to it or path convertible to it
*_Default_*
```
[]
```
## home.profiles
profile folders that can be collected into suites
the name of the argument passed to suites is based
on the folder name.
[ ./profiles ] => { profiles }:
*_Type_*:
list of paths
*_Default_*
```
[]
```
## home.suites
Function that takes profiles and returns suites for this config system
These can be accessed through the 'suites' special argument.
*_Type_*:
function that evaluates to a(n) attrs or path convertible to it
*_Default_*
```
"<function>"
```
## inputs
inputs for this flake
used to set channel defaults and create registry
*_Type_*:
attribute set of nix flakes
## nixos
hosts, modules, suites, and profiles for nixos
*_Type_*:
submodule
*_Default_*
```
{}
```
## nixos.hostDefaults
Defaults for all hosts.
the modules passed under hostDefaults will be exported
to the 'nixosModules' flake output.
They will also be added to all hosts.
*_Type_*:
submodule
*_Default_*
```
{}
```
## nixos.hostDefaults.channelName
Channel this host should follow
*_Type_*:
a channel defined in `channels`
*_Default_*
```
null
```
## nixos.hostDefaults.externalModules
modules to include that won't be exported
meant importing modules from external flakes
*_Type_*:
list of valid module or path convertible to its
*_Default_*
```
[]
```
## nixos.hostDefaults.modules
modules to include in all hosts and export to nixosModules output
*_Type_*:
list of path to a modules or anything convertible to it or path convertible to it
*_Default_*
```
[]
```
## nixos.hostDefaults.system
system for this host
*_Type_*:
system defined in `supportedSystems`
*_Default_*
```
null
```
## nixos.hosts
configurations to include in the nixosConfigurations output
*_Type_*:
attribute set of submodules
*_Default_*
```
{}
```
## nixos.hosts.\<name\>.channelName
Channel this host should follow
*_Type_*:
a channel defined in `channels`
*_Default_*
```
null
```
## nixos.hosts.\<name\>.modules
modules to include
*_Type_*:
list of valid module or path convertible to its or anything convertible to it
*_Default_*
```
[]
```
## nixos.hosts.\<name\>.system
system for this host
*_Type_*:
system defined in `supportedSystems`
*_Default_*
```
null
```
## nixos.profiles
profile folders that can be collected into suites
the name of the argument passed to suites is based
on the folder name.
[ ./profiles ] => { profiles }:
*_Type_*:
list of paths
*_Default_*
```
[]
```
## nixos.suites
Function that takes profiles and returns suites for this config system
These can be accessed through the 'suites' special argument.
*_Type_*:
function that evaluates to a(n) attrs or path convertible to it
*_Default_*
```
"<function>"
```
## self
The flake to create the devos outputs for
*_Type_*:
nix flake
## supportedSystems
The systems supported by this flake
*_Type_*:
list of strings
*_Default_*
```
["aarch64-linux","i686-linux","x86_64-darwin","x86_64-linux"]
```

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# Layout
Each of the following sections is a directory whose contents are output to the
outside world via the flake's outputs. Check each chapter for details.

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# Modules
The modules directory is a replica of nixpkg's NixOS [modules][nixpkgs-modules]
, and follows the same semantics. This allows for trivial upstreaming into
nixpkgs proper once your module is sufficiently stable.
All modules linked in _module-list.nix_ are automatically exported via
`nixosModules.<file-basename>`, and imported into all [hosts](../concepts/hosts.md).
> ##### _Note:_
> This is reserved for declaring brand new module options. If you just want to
> declare a coherent configuration of already existing and related NixOS options
> , use [profiles](../concepts/profiles.md) instead.
## Semantics
In case you've never written a module for nixpkgs before, here is a brief
outline of the process.
### Declaration
modules/services/service-category/my-service.nix:
```nix
{ config, lib, ... }:
let
cfg = config.services.myService;
in
{
options.services.myService = {
enable = lib.mkEnableOption "Description of my new service.";
# additional options ...
};
config = lib.mkIf cfg.enable {
# implementation ...
};
}
```
### Import
modules/module-list.nix:
```nix
[
./services/service-category/my-service.nix
]
```
## Usage
### Internal
profiles/profile-category/my-profile.nix:
```nix
{ ... }:
{
services.MyService.enable = true;
}
```
### External
flake.nix:
```nix
{
# inputs omitted
outputs = { self, devos, nixpkgs, ... }: {
nixosConfigurations.myConfig = nixpkgs.lib.nixosSystem {
system = "...";
modules = [
devos.nixosModules.my-service
({ ... }: {
services.MyService.enable = true;
})
];
};
};
}
```
[nixpkgs-modules]: https://github.com/NixOS/nixpkgs/tree/master/nixos/modules

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# Overlays
Writing overlays is a common occurence when using a NixOS system. Therefore,
we want to keep the process as simple and straightforward as possible.
Any _.nix_ files declared in this directory will be assumed to be a valid
overlay, and will be automatically imported into all [hosts](../concepts/hosts.md), and
exported via `overlays.<channel>/<pkgName>` _as well as_
`packages.<system>.<pkgName>` (for valid systems), so all you have to do is
write it.
## Example
overlays/kakoune.nix:
```nix
final: prev: {
kakoune = prev.kakoune.override {
configure.plugins = with final.kakounePlugins; [
(kak-fzf.override { fzf = final.skim; })
kak-auto-pairs
kak-buffers
kak-powerline
kak-vertical-selection
];
};
}
```

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# Packages
Similar to [modules](./modules.md), the pkgs directory mirrors the upstream
[nixpkgs/pkgs][pkgs], and for the same reason; if you ever want to upstream
your package, it's as simple as dropping it into the nixpkgs/pkgs directory.
The only minor difference is that, instead of adding the `callPackage` call to
`all-packages.nix`, you just add it the the _default.nix_ in this directory,
which is defined as a simple overlay.
This overlay is set as the default `overlay` output attribute for the flake.
And all the packages are exported via `packages.<system>.<pkg-name>`, for all
the supported systems listed in the package's `meta.platforms` attribute.
And, as usual, every package in the overlay is also available to any NixOS
[host](../concepts/hosts.md).
## Automatic Source Updates
There is the added, but optional, convenience of declaring your sources in
_pkgs/flake.nix_ as an input. You can then access them from the `srcs` package.
This allows updates to be managed automatically by simply
[updating](../flk/update.md#updating-package-sources) the lock file. No
more manually entering sha256 hashes!
As an added bonus, version strings are also generated automatically from either
the flake ref, or the date and git revision of the source.
## Example
pkgs/development/libraries/libinih/default.nix:
```nix
{ stdenv, meson, ninja, lib, srcs, ... }:
let inherit (srcs) libinih; in
stdenv.mkDerivation {
pname = "libinih";
# version will resolve to 53, as specified in the final example below
inherit (libinih) version;
src = libinih;
buildInputs = [ meson ninja ];
# ...
}
```
pkgs/default.nix:
```nix
final: prev: {
libinih = prev.callPackage ./development/libraries/libinih { };
}
```
pkgs/flake.nix:
```nix
{
description = "Package sources";
inputs = {
libinih.url = "github:benhoyt/inih/r53";
libinih.flake = false;
};
}
```
[pkgs]: https://github.com/NixOS/nixpkgs/tree/master/pkgs

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# Secrets
Secrets are managed using [git-crypt][git-crypt] so you can keep your flake in
a public repository like GitHub without exposing your password or other
sensitive data.
By default, everything in the secrets folder is automatically encrypted. Just
be sure to run `git-crypt init` before putting anything in here.
> ##### _Note:_
> Currently, there is [no mechanism][secrets-issue] in nix to deploy secrets
> within the nix/store so, if they end up in the nix/store after deployment, they
> will be world readable on that machine.
>
> The author of devos intends to implement a workaround for this situation in
> the near future, but for the time being, simple be aware of this.
[git-crypt]: https://github.com/AGWA/git-crypt
[secrets-issue]: https://github.com/NixOS/nix/issues/8

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# Bootstrapping
This will help you boostrap a bare host with the help of the
[bespoke iso](./iso.md) live installer.
_Note: nothing prevents you from remotely executing the boostrapping
process. See below._
Once your target host has booted into the live iso, you need to partion
and format your disk according to the [official manual][manual].
## Mount partitions
Then properly mount the formatted partitions at `/mnt`, so that you can
install your system to those new partitions.
Mount `nixos` partition to `/mnt` and &mdash; for UEFI &mdash; `boot`
partition to `/mnt/boot`:
```console
$ mount /dev/disk/by-label/nixos /mnt
$ mkdir -p /mnt/boot && mount /dev/disk/by-label/boot /mnt/boot # UEFI only
$ swapon /dev/$your_swap_partition
```
## Install
Install using the `flk` wrapper baked into the iso off of a copy of devos
from the time the iso was built:
```console
$ cd /iso/devos
$ nix develop
$ flk install NixOS --impure # use same host as above
```
<!-- TODO: find out why --impure is necesary / PRs welcome! -->
## Notes of interest
### Remote access to the live installer
The iso live installer comes preconfigured with a network configuration
which announces it's hostname via [MulticastDNS][mDNS] as `hostname.local`,
that is `NixOS.local` in the [iso example](./iso).
In the rare case that [MulticastDNS][mDNS] is not availabe or turned off
in your network, there is a static link-local IPv6 address configured to
`fe80::47`(mnemonic from the letter's position in the english alphabet:
`n=14 i=9 x=24; 47 = n+i+x`).
Provided that you have added your public key to the authorized keys of the
`root` user _(hint: [`deploy-rs`](../integrations/deploy.md) needs passwordless
sudo access)_:
```nix
{ ... }:
{
users.users.root.openssh.authorizedKeys.keyFiles = [
../secrets/path/to/key.pub
];
}
```
You can then ssh into the live installer through one of the
following options:
```console
ssh root@NixOS.local
ssh root@fe80::47%eno1 # where eno1 is your network interface on which you are linked to the target
```
_Note: the [static link-local IPv6 address][staticLLA] and [MulticastDNS][mDNS] is only
configured on the live installer. If you wish to enable [MulticastDNS][mDNS]
for your environment, you ought to configure that in a regular [profile](../concepts/profiles.md)._
### EUI-64 LLA & Host Identity
The iso's IPv6 Link Local Address (LLA) is configured with a static 64-bit Extended
Unique Identifiers (EUI-64) that is derived from the host interface's Message
Authentication Code (MAC) address.
After a little while (a few seconds), you can remotely discover this unique and host
specific address over [NDP][NDP] for example with:
```console
ip -6 neigh show # also shows fe80::47
```
***This LLA is stable for the host, unless you need to swap that particular network card.***
Under this reservation, though, you may use this EUI-64 to wire up a specific
(cryptographic) host identity.
[manual]: https://nixos.org/manual/nixos/stable/index.html#sec-installation-partitioning
[mDNS]: https://en.wikipedia.org/wiki/Multicast_DNS
[NDP]: https://en.wikipedia.org/wiki/Neighbor_Discovery_Protocol
[staticLLA]: https://tools.ietf.org/html/rfc7404

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# From NixOS
## Generate Configuration
Assuming you're happy with your existing partition layout, you can generate a
basic NixOS configuration for your system using:
```sh
flk up
```
This will make a new file `hosts/up-$(hostname).nix`, which you can edit to
your liking.
You must then add a host to `nixos.hosts` in flake.nix:
```nix
{
nixos.hosts = {
modules = hosts/NixOS.nix;
};
}
```
Make sure your `i18n.defaultLocale` and `time.timeZone` are set properly for
your region. Keep in mind that `networking.hostName` will be automatically
set to the name of your host;
Now might be a good time to read the docs on [suites](../concepts/suites.md) and
[profiles](../concepts/profiles.md) and add or create any that you need.
> ##### _Note:_
> While the `up` sub-command is provided as a convenience to quickly set up and
> install a "fresh" NixOS system on current hardware, committing these files is
> discouraged.
>
> They are placed in the git staging area automatically because they would be
> invisible to the flake otherwise, but it is best to move what you need from
> them directly into a host module of your own making, and commit that instead.
# Installation
Once you're ready to deploy `hosts/my-host.nix`:
```sh
flk my-host switch
```
This calls `nixos-rebuild` with sudo to build and install your configuration.
> ##### _Notes:_
> - Instead of `switch`, you can pass `build`, `test`, `boot`, etc just as with
> `nixos-rebuild`.
>
> - It is convenient to have the template living at `/etc/nixos` so you can
> simply `sudo nixos-rebuild switch` from anywhere on the system, but it is
> not required.

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# Quick Start
The only dependency is nix, so make sure you have it [installed][install-nix].
## Get the Template
Here is a snippet that will get you the template without the git history:
```sh
nix-shell -p cachix --run "cachix use nrdxp"
nix-shell https://github.com/divnix/devos/archive/core.tar.gz -A shell \
--run "flk get core"
cd flk
nix-shell
git init
git add .
git commit -m init
```
This will place you in a new folder named `flk` with git initialized, and a
nix-shell that provides all the dependencies, including the unstable nix
version required.
In addition, the [binary cache](../integrations/cachix.md) is added for faster deployment.
> ##### _Notes:_
> - You can change `core` to [`community`](../../index.md#community-profiles)
> in the call to `flk get`
> - Flakes ignore files that have not been added to git, so be sure to stage new
> files before building the system.
> - You can choose to simply clone the repo with git if you want to follow
> upstream changes.
> - If the `nix-shell -p cachix --run "cachix use nrdxp"` line doesn't work
> you can try with sudo: `sudo nix-shell -p cachix --run "cachix use nrdxp"`
## Next Steps:
- [Make installable ISO](./iso.md)
- [Bootstrap Host](./bootstrapping.md)
- [Already on NixOS](./from-nixos.md)
[install-nix]: https://nixos.org/manual/nix/stable/#sect-multi-user-installation

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# ISO
Making and writing an installable iso for `hosts/NixOS.nix` is as simple as:
```sh
flk iso NixOS
dd bs=4M if=result/iso/*.iso of=/dev/$your_installation_device \
status=progress oflag=sync
```
This works for any file matching `hosts/*.nix` excluding `default.nix`.
## ISO image nix store & cache
The iso image holds the store to the live environment and _also_ acts as a binary cache
to the installer. To considerably speed up things, the image already includes all flake
`inputs` as well as the `devshell` closures.
While you _could_ provision any machine with a single stick, a custom-made iso for
the host you want to install DevOS to, maximises those local cache hits.
For hosts that don't differ too much, a single usb stick might be ok, whereas when
there are bigger differences, a custom-made usb stick will be considerably faster.

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# Testing
Testing is always an important aspect of any software development project, and
NixOS offers some incredibly powerful tools to write tests for your
configuration, and, optionally, run them in
[CI](./integrations/hercules.md).
## Lib Tests
You can easily write tests for your own library functions in the
lib/___tests/lib.nix___ file and they will be run on every `nix flake check` or
during a CI run.
## Unit Tests
Unit tests are can be created from regular derivations, and they can do
almost anything you can imagine. By convention, it is best to test your
packages during their [check phase][check]. All packages and their tests will
be built during CI.
## Integration Tests
You can write integration tests for one or more NixOS VMs that can,
optionally, be networked together, and yes, it's as awesome as it sounds!
Be sure to use the `mkTest` function, in the [___tests/default.nix___][default]
which wraps the official [testing-python][testing-python] function to ensure
that the system is setup exactly as it is for a bare DevOS system. There are
already great resources for learning how to use these tests effectively,
including the official [docs][test-doc], a fantastic [blog post][test-blog],
and the examples in [nixpkgs][nixos-tests].
[test-doc]: https://nixos.org/manual/nixos/stable/index.html#sec-nixos-tests
[test-blog]: https://www.haskellforall.com/2020/11/how-to-use-nixos-for-lightweight.html
[default]: https://github.com/divnix/devos/tree/core/tests/default.nix
[run-test]: https://github.com/NixOS/nixpkgs/blob/6571462647d7316aff8b8597ecdf5922547bf365/lib/debug.nix#L154-L166
[nixos-tests]: https://github.com/NixOS/nixpkgs/tree/master/nixos/tests
[testing-python]: https://github.com/NixOS/nixpkgs/tree/master/nixos/lib/testing-python.nix
[check]: https://nixos.org/manual/nixpkgs/stable/#ssec-check-phase

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404
flake.lock Normal file
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@ -0,0 +1,404 @@
{
"nodes": {
"ci-agent": {
"inputs": {
"flake-compat": "flake-compat",
"nix-darwin": [
"darwin"
],
"nixos-20_09": [
"nixos"
],
"nixos-unstable": [
"latest"
],
"pre-commit-hooks-nix": "pre-commit-hooks-nix"
},
"locked": {
"lastModified": 1619088868,
"narHash": "sha256-l9db+HpNIkY41MonGE8z4pbkjBa5BdzJTG5AxV7V7Lw=",
"owner": "hercules-ci",
"repo": "hercules-ci-agent",
"rev": "08f953a263518a3af0ca28cd887020ff3465bdf5",
"type": "github"
},
"original": {
"owner": "hercules-ci",
"repo": "hercules-ci-agent",
"type": "github"
}
},
"darwin": {
"inputs": {
"nixpkgs": [
"latest"
]
},
"locked": {
"lastModified": 1613595894,
"narHash": "sha256-MOk/7rCAUB5Lf4GL+HimvyAAZXYEw8gWsq5nW4PPQQA=",
"owner": "LnL7",
"repo": "nix-darwin",
"rev": "5c3146b75d5d478f0693d0ea6c83f1da8382ff56",
"type": "github"
},
"original": {
"owner": "LnL7",
"repo": "nix-darwin",
"type": "github"
}
},
"deploy": {
"inputs": {
"flake-compat": "flake-compat_2",
"naersk": "naersk",
"nixpkgs": "nixpkgs",
"utils": "utils"
},
"locked": {
"lastModified": 1616406726,
"narHash": "sha256-n9zmgxR03QNrvs9/fHewqE0j3SjL7Y+cglBCFu3U3rg=",
"owner": "serokell",
"repo": "deploy-rs",
"rev": "9e405fbc5ab5bacbd271fd78c6b6b6877c4d9f8d",
"type": "github"
},
"original": {
"owner": "serokell",
"repo": "deploy-rs",
"type": "github"
}
},
"devshell": {
"locked": {
"lastModified": 1618523768,
"narHash": "sha256-Gev9da35pHUey3kGz/zrJFc/9ICs++vPCho7qB1mqd8=",
"owner": "numtide",
"repo": "devshell",
"rev": "709fe4d04a9101c9d224ad83f73416dce71baf21",
"type": "github"
},
"original": {
"owner": "numtide",
"repo": "devshell",
"type": "github"
}
},
"digga": {
"inputs": {
"deploy": "deploy",
"devshell": "devshell",
"nixlib": "nixlib",
"nixpkgs": "nixpkgs_2",
"utils": "utils_2"
},
"locked": {
"lastModified": 1621354376,
"narHash": "sha256-b597Jj8B1Nq4NX/Gl/+bYGKqJxpSfUtr1Nmp9m1DND8=",
"owner": "divnix",
"repo": "digga",
"rev": "5ef9b8cabbc10c9b4fe5534107224c7241c63b3d",
"type": "github"
},
"original": {
"owner": "divnix",
"repo": "digga",
"type": "github"
}
},
"flake-compat": {
"flake": false,
"locked": {
"lastModified": 1606424373,
"narHash": "sha256-oq8d4//CJOrVj+EcOaSXvMebvuTkmBJuT5tzlfewUnQ=",
"owner": "edolstra",
"repo": "flake-compat",
"rev": "99f1c2157fba4bfe6211a321fd0ee43199025dbf",
"type": "github"
},
"original": {
"owner": "edolstra",
"repo": "flake-compat",
"type": "github"
}
},
"flake-compat_2": {
"flake": false,
"locked": {
"lastModified": 1606424373,
"narHash": "sha256-oq8d4//CJOrVj+EcOaSXvMebvuTkmBJuT5tzlfewUnQ=",
"owner": "edolstra",
"repo": "flake-compat",
"rev": "99f1c2157fba4bfe6211a321fd0ee43199025dbf",
"type": "github"
},
"original": {
"owner": "edolstra",
"repo": "flake-compat",
"type": "github"
}
},
"flake-utils": {
"locked": {
"lastModified": 1620759905,
"narHash": "sha256-WiyWawrgmyN0EdmiHyG2V+fqReiVi8bM9cRdMaKQOFg=",
"owner": "numtide",
"repo": "flake-utils",
"rev": "b543720b25df6ffdfcf9227afafc5b8c1fabfae8",
"type": "github"
},
"original": {
"owner": "numtide",
"repo": "flake-utils",
"type": "github"
}
},
"home": {
"inputs": {
"nixpkgs": [
"nixos"
]
},
"locked": {
"lastModified": 1616724076,
"narHash": "sha256-SwbPXLjN2sLy4NL/GhodiJrdkIVZwGGTGiCN3JxH1cU=",
"owner": "nix-community",
"repo": "home-manager",
"rev": "fedfd430f96695997b3eaf8d7e82ca79406afa23",
"type": "github"
},
"original": {
"owner": "nix-community",
"repo": "home-manager",
"type": "github"
}
},
"latest": {
"locked": {
"lastModified": 1619400530,
"narHash": "sha256-7ZO7B+b9i1wFbHw62EFT+iwuBBpXeA/fcHlR63Z4J0w=",
"owner": "NixOS",
"repo": "nixpkgs",
"rev": "e8dc8adab655eb27957859c62bef11484b53f639",
"type": "github"
},
"original": {
"id": "nixpkgs",
"type": "indirect"
}
},
"naersk": {
"inputs": {
"nixpkgs": [
"latest"
]
},
"locked": {
"lastModified": 1610392286,
"narHash": "sha256-3wFl5y+4YZO4SgRYK8WE7JIS3p0sxbgrGaQ6RMw+d98=",
"owner": "nmattia",
"repo": "naersk",
"rev": "d7bfbad3304fd768c0f93a4c3b50976275e6d4be",
"type": "github"
},
"original": {
"owner": "nmattia",
"ref": "master",
"repo": "naersk",
"type": "github"
}
},
"naersk_2": {
"inputs": {
"nixpkgs": [
"latest"
]
},
"locked": {
"lastModified": 1614785451,
"narHash": "sha256-TPw8kQvr2UNCuvndtY+EjyXp6Q5GEW2l9UafXXh1XmI=",
"owner": "nmattia",
"repo": "naersk",
"rev": "e0fe990b478a66178a58c69cf53daec0478ca6f9",
"type": "github"
},
"original": {
"owner": "nmattia",
"repo": "naersk",
"type": "github"
}
},
"nixlib": {
"locked": {
"lastModified": 1620519687,
"narHash": "sha256-+6Dd72b2CASuXm2W7KRxZIE7AOy/dj4mU28vaF+zxcs=",
"owner": "divnix",
"repo": "nixpkgs.lib",
"rev": "c7b6169809c5f74dd0c34f3d69e9d12ba4d448de",
"type": "github"
},
"original": {
"owner": "divnix",
"repo": "nixpkgs.lib",
"type": "github"
}
},
"nixos": {
"locked": {
"lastModified": 1615797423,
"narHash": "sha256-5NGDZXPQzuoxf/42NiyC9YwwhwzfMfIRrz3aT0XHzSc=",
"owner": "NixOS",
"repo": "nixpkgs",
"rev": "266dc8c3d052f549826ba246d06787a219533b8f",
"type": "github"
},
"original": {
"id": "nixpkgs",
"ref": "nixos-unstable",
"type": "indirect"
}
},
"nixos-hardware": {
"locked": {
"lastModified": 1615652054,
"narHash": "sha256-jqXKU8Ovpi7MmPRqGf2FB3QOPcZtGwO2MFc0AYiOPjg=",
"owner": "nixos",
"repo": "nixos-hardware",
"rev": "31f61b90ddb9257b94888ee17ccf96236e180c76",
"type": "github"
},
"original": {
"owner": "nixos",
"repo": "nixos-hardware",
"type": "github"
}
},
"nixpkgs": {
"locked": {
"lastModified": 1610942247,
"narHash": "sha256-PKo1ATAlC6BmfYSRmX0TVmNoFbrec+A5OKcabGEu2yU=",
"owner": "NixOS",
"repo": "nixpkgs",
"rev": "7d71001b796340b219d1bfa8552c81995017544a",
"type": "github"
},
"original": {
"owner": "NixOS",
"ref": "nixpkgs-unstable",
"repo": "nixpkgs",
"type": "github"
}
},
"nixpkgs_2": {
"locked": {
"lastModified": 1620962350,
"narHash": "sha256-9ASW4d4/Z8HmRvuJI8rxbEOTbXTBpQ8y+CmFYBwtXzE=",
"owner": "nixos",
"repo": "nixpkgs",
"rev": "5d4a430472cafada97888cc80672fab255231f57",
"type": "github"
},
"original": {
"owner": "nixos",
"repo": "nixpkgs",
"type": "github"
}
},
"nur": {
"locked": {
"lastModified": 1615921934,
"narHash": "sha256-nURGM869KKA1+c1SHHsXKYcPXhHIuxWBjNXjJ90OzRQ=",
"owner": "nix-community",
"repo": "NUR",
"rev": "faf862e8cf009edfa38ecc61188f7a6ace293552",
"type": "github"
},
"original": {
"id": "nur",
"type": "indirect"
}
},
"pkgs": {
"inputs": {
"nixpkgs": [
"nixos"
]
},
"locked": {
"narHash": "sha256-Zs7dc0dNNa0Z3//+Gckxj7SKrMqVovY0xZZ1z8xWnEg=",
"path": "./pkgs",
"type": "path"
},
"original": {
"path": "./pkgs",
"type": "path"
}
},
"pre-commit-hooks-nix": {
"flake": false,
"locked": {
"lastModified": 1617783930,
"narHash": "sha256-SigoU2LWM1fMggqfM9H8XEIvjOjBVQ/wj/zrn02J28c=",
"owner": "cachix",
"repo": "pre-commit-hooks.nix",
"rev": "2d169bb1b23f3b71a894a66ea81f45c788943248",
"type": "github"
},
"original": {
"owner": "cachix",
"repo": "pre-commit-hooks.nix",
"type": "github"
}
},
"root": {
"inputs": {
"ci-agent": "ci-agent",
"darwin": "darwin",
"digga": "digga",
"home": "home",
"latest": "latest",
"naersk": "naersk_2",
"nixos": "nixos",
"nixos-hardware": "nixos-hardware",
"nur": "nur",
"pkgs": "pkgs"
}
},
"utils": {
"locked": {
"lastModified": 1610051610,
"narHash": "sha256-U9rPz/usA1/Aohhk7Cmc2gBrEEKRzcW4nwPWMPwja4Y=",
"owner": "numtide",
"repo": "flake-utils",
"rev": "3982c9903e93927c2164caa727cd3f6a0e6d14cc",
"type": "github"
},
"original": {
"owner": "numtide",
"repo": "flake-utils",
"type": "github"
}
},
"utils_2": {
"inputs": {
"flake-utils": "flake-utils"
},
"locked": {
"lastModified": 1620801141,
"narHash": "sha256-XPJ+/nP/s218E11R+4LJyvkrQXvdT3D6TzNjfWVYZnI=",
"owner": "gytis-ivaskevicius",
"repo": "flake-utils-plus",
"rev": "1a742047f3f7c97b22768ba7738ac5a01052099e",
"type": "github"
},
"original": {
"owner": "gytis-ivaskevicius",
"ref": "staging",
"repo": "flake-utils-plus",
"type": "github"
}
}
},
"root": "root",
"version": 7
}

97
flake.nix Normal file
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{
description = "A highly structured configuration database.";
inputs =
{
nixos.url = "nixpkgs/nixos-unstable";
latest.url = "nixpkgs";
digga.url = "github:divnix/digga";
ci-agent = {
url = "github:hercules-ci/hercules-ci-agent";
inputs = { nix-darwin.follows = "darwin"; nixos-20_09.follows = "nixos"; nixos-unstable.follows = "latest"; };
};
darwin.url = "github:LnL7/nix-darwin";
darwin.inputs.nixpkgs.follows = "latest";
home.url = "github:nix-community/home-manager";
home.inputs.nixpkgs.follows = "nixos";
naersk.url = "github:nmattia/naersk";
naersk.inputs.nixpkgs.follows = "latest";
nixos-hardware.url = "github:nixos/nixos-hardware";
pkgs.url = "path:./pkgs";
pkgs.inputs.nixpkgs.follows = "nixos";
};
outputs = inputs@{ self, pkgs, digga, nixos, ci-agent, home, nixos-hardware, nur, ... }:
digga.lib.mkFlake {
inherit self inputs;
channelsConfig = { allowUnfree = true; };
channels = {
nixos = {
imports = [ (digga.lib.importers.overlays ./overlays) ];
overlays = [
./pkgs/default.nix
pkgs.overlay # for `srcs`
nur.overlay
];
};
latest = { };
};
lib = import ./lib { lib = digga.lib // nixos.lib; };
sharedOverlays = [
(final: prev: {
lib = prev.lib.extend (lfinal: lprev: {
our = self.lib;
});
})
];
nixos = {
hostDefaults = {
system = "x86_64-linux";
channelName = "nixos";
modules = ./modules/module-list.nix;
externalModules = [
{ _module.args.ourLib = self.lib; }
ci-agent.nixosModules.agent-profile
home.nixosModules.home-manager
./modules/customBuilds.nix
];
};
imports = [ (digga.lib.importers.hosts ./hosts) ];
hosts = {
/* set host specific properties here */
NixOS = { };
};
profiles = [ ./profiles ./users ];
suites = { profiles, users, ... }: with profiles; rec {
base = [ core users.nixos users.root ];
};
};
home = {
modules = ./users/modules/module-list.nix;
externalModules = [ ];
profiles = [ ./users/profiles ];
suites = { profiles, ... }: with profiles; rec {
base = [ direnv git ];
};
};
homeConfigurations = digga.lib.mkHomeConfigurations self.nixosConfigurations;
deploy.nodes = digga.lib.mkDeployNodes self.nixosConfigurations { };
defaultTemplate = self.templates.flk;
templates.flk.path = ./.;
templates.flk.description = "flk template";
}
;
}

12
hosts/NixOS.nix Normal file
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{ suites, ... }:
{
### root password is empty by default ###
imports = suites.base;
boot.loader.systemd-boot.enable = true;
boot.loader.efi.canTouchEfiVariables = true;
networking.networkmanager.enable = true;
fileSystems."/" = { device = "/dev/disk/by-label/nixos"; };
}

14
lib/compat/default.nix Normal file
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let
rev = "e7e5d481a0e15dcd459396e55327749989e04ce0";
flake = (import
(
fetchTarball {
url = "https://github.com/edolstra/flake-compat/archive/${rev}.tar.gz";
sha256 = "0zd3x46fswh5n6faq4x2kkpy6p3c6j593xbdlbsl40ppkclwc80x";
}
)
{
src = ../../.;
});
in
flake

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{ ... }:
let
inherit (default.inputs.nixos) lib;
host = configs.${hostname} or configs.NixOS;
configs = default.nixosConfigurations;
default = (import ../.).defaultNix;
hostname = lib.fileContents /etc/hostname;
in
host

2
lib/default.nix Normal file
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{ lib }:
lib.makeExtensible (self: { })

30
modules/customBuilds.nix Normal file
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{ lib, self, diggaLib, config, modules, channel, ... }:
let
mkBuild = buildModule:
# TODO: get specialArgs as a module argument and drop builderArgs usage
channel.input.lib.nixosSystem (diggaLib.mergeAny config.lib.builderArgs {
modules = [ buildModule ];
});
in
{
system.build = {
iso = (mkBuild (diggaLib.modules.isoConfig {
inherit self;
inherit (self) inputs;
fullHostConfig = config;
})).config.system.build.isoImage;
homes = (mkBuild ({ config, ... }: {
home-manager.useUserPackages = lib.mkForce false;
home-manager.sharedModules = [
{
home.sessionVariables = {
inherit (config.environment.sessionVariables) NIX_PATH;
};
xdg.configFile."nix/registry.json".text =
config.environment.etc."nix/registry.json".text;
}
];
})).config.home-manager.users;
};
}

1
modules/module-list.nix Normal file
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[ ]

28
overlays/overrides.nix Normal file
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channels: final: prev: {
__dontExport = true; # overrides clutter up actual creations
inherit (channels.latest)
cachix
dhall
discord
element-desktop
manix
nixpkgs-fmt
qutebrowser
signal-desktop
starship;
haskellPackages = prev.haskellPackages.override {
overrides = hfinal: hprev:
let version = prev.lib.replaceChars [ "." ] [ "" ] prev.ghc.version;
in
{
# same for haskell packages, matching ghc versions
inherit (channels.latest.haskell.packages."ghc${version}")
haskell-language-server;
};
};
}

1
pkgs/default.nix Normal file
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final: prev: { }

25
pkgs/flake.lock Normal file
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{
"nodes": {
"nixpkgs": {
"locked": {
"lastModified": 1615926763,
"narHash": "sha256-yeq8A3EPNuQVlsxlEQrIRsklfJwJK0Us6jtcG/u8wNs=",
"owner": "NixOS",
"repo": "nixpkgs",
"rev": "b702a56d417647de4090ac56c0f18bdc7e646610",
"type": "github"
},
"original": {
"id": "nixpkgs",
"type": "indirect"
}
},
"root": {
"inputs": {
"nixpkgs": "nixpkgs"
}
}
},
"root": "root",
"version": 7
}

52
pkgs/flake.nix Normal file
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{
description = "Package Sources";
inputs = { };
outputs = { self, nixpkgs, ... }: {
overlay = final: prev: {
inherit (self) srcs;
};
srcs =
let
inherit (nixpkgs) lib;
mkVersion = name: input:
let
inputs = (builtins.fromJSON
(builtins.readFile ./flake.lock)).nodes;
ref =
if lib.hasAttrByPath [ name "original" "ref" ] inputs
then inputs.${name}.original.ref
else "";
version =
let version' = builtins.match
"[[:alpha:]]*[-._]?([0-9]+(\.[0-9]+)*)+"
ref;
in
if lib.isList version'
then lib.head version'
else if input ? lastModifiedDate && input ? shortRev
then "${lib.substring 0 8 input.lastModifiedDate}_${input.shortRev}"
else null;
in
version;
in
lib.mapAttrs
(pname: input:
let
version = mkVersion pname input;
in
input // { inherit pname; }
// lib.optionalAttrs (! isNull version)
{
inherit version;
}
)
(lib.filterAttrs (n: _: n != "nixpkgs")
self.inputs);
};
}

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{ pkgs, lib, ... }:
let
folder = ./.;
toImport = name: value: folder + ("/" + name);
filterCaches = key: value: value == "regular" && lib.hasSuffix ".nix" key && key != "default.nix";
imports = lib.mapAttrsToList toImport (lib.filterAttrs filterCaches (builtins.readDir folder));
in
{
inherit imports;
nix.binaryCaches = [ "https://cache.nixos.org/" ];
}

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{
nix = {
binaryCaches = [
"https://nix-community.cachix.org"
];
binaryCachePublicKeys = [
"nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs="
];
};
}

10
profiles/cachix/nrdxp.nix Normal file
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{
nix = {
binaryCaches = [
"https://nrdxp.cachix.org"
];
binaryCachePublicKeys = [
"nrdxp.cachix.org-1:Fc5PSqY2Jm1TrWfm88l6cvGWwz3s93c6IOifQWnhNW4="
];
};
}

148
profiles/core/default.nix Normal file
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{ self, config, lib, pkgs, ... }:
let inherit (lib) fileContents;
in
{
imports = [ ../cachix ];
nix.systemFeatures = [ "nixos-test" "benchmark" "big-parallel" "kvm" ];
environment = {
systemPackages = with pkgs; [
binutils
coreutils
curl
direnv
dnsutils
dosfstools
fd
git
gotop
gptfdisk
iputils
jq
manix
moreutils
nix-index
nmap
ripgrep
skim
tealdeer
usbutils
utillinux
whois
];
shellInit = ''
export STARSHIP_CONFIG=${
pkgs.writeText "starship.toml"
(fileContents ./starship.toml)
}
'';
shellAliases =
let ifSudo = lib.mkIf config.security.sudo.enable;
in
{
# quick cd
".." = "cd ..";
"..." = "cd ../..";
"...." = "cd ../../..";
"....." = "cd ../../../..";
# git
g = "git";
# grep
grep = "rg";
gi = "grep -i";
# internet ip
myip = "dig +short myip.opendns.com @208.67.222.222 2>&1";
# nix
n = "nix";
np = "n profile";
ni = "np install";
nr = "np remove";
ns = "n search --no-update-lock-file";
nf = "n flake";
nepl = "n repl '<nixpkgs>'";
srch = "ns nixos";
orch = "ns override";
nrb = ifSudo "sudo nixos-rebuild";
mn = ''
manix "" | grep '^# ' | sed 's/^# \(.*\) (.*/\1/;s/ (.*//;s/^# //' | sk --preview="manix '{}'" | xargs manix
'';
# fix nixos-option
nixos-option = "nixos-option -I nixpkgs=${self}/lib/compat";
# sudo
s = ifSudo "sudo -E ";
si = ifSudo "sudo -i";
se = ifSudo "sudoedit";
# top
top = "gotop";
# systemd
ctl = "systemctl";
stl = ifSudo "s systemctl";
utl = "systemctl --user";
ut = "systemctl --user start";
un = "systemctl --user stop";
up = ifSudo "s systemctl start";
dn = ifSudo "s systemctl stop";
jtl = "journalctl";
};
};
fonts = {
fonts = with pkgs; [ powerline-fonts dejavu_fonts ];
fontconfig.defaultFonts = {
monospace = [ "DejaVu Sans Mono for Powerline" ];
sansSerif = [ "DejaVu Sans" ];
};
};
nix = {
autoOptimiseStore = true;
gc.automatic = true;
optimise.automatic = true;
useSandbox = true;
allowedUsers = [ "@wheel" ];
trustedUsers = [ "root" "@wheel" ];
extraOptions = ''
min-free = 536870912
keep-outputs = true
keep-derivations = true
fallback = true
'';
};
programs.bash = {
promptInit = ''
eval "$(${pkgs.starship}/bin/starship init bash)"
'';
interactiveShellInit = ''
eval "$(${pkgs.direnv}/bin/direnv hook bash)"
'';
};
services.earlyoom.enable = true;
}

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[aws]
symbol = " "
[character]
success_symbol = "[](bold purple)"
vicmd_symbol = "[](bold purple)"
[battery]
full_symbol = ""
charging_symbol = ""
discharging_symbol = ""
[conda]
symbol = " "
[directory]
style = "cyan"
read_only = " 🔒"
[docker]
symbol = " "
[elixir]
symbol = " "
[elm]
symbol = " "
[git_branch]
format = "[$symbol$branch]($style) "
symbol = " "
style = "bold dimmed white"
[git_status]
format = '([「$all_status$ahead_behind」]($style) )'
conflicted = "⚠️"
ahead = "⟫${count} "
behind = "⟪${count}"
diverged = "🔀 "
untracked = "📁 "
stashed = "↪ "
modified = "𝚫 "
staged = "✔ "
renamed = "⇆ "
deleted = "✘ "
style = "bold bright-white"
[golang]
symbol = " "
[haskell]
symbol = " "
[hg_branch]
symbol = " "
[java]
symbol = " "
[julia]
symbol = " "
[memory_usage]
symbol = " "
disabled = false
[nim]
symbol = " "
[nix_shell]
format = '[$symbol$state]($style) '
symbol = " "
pure_msg = "λ"
impure_msg = "⎔"
[nodejs]
symbol = " "
[package]
symbol = " "
[php]
symbol = " "
[python]
symbol = " "
[ruby]
symbol = " "
[rust]
symbol = " "
[status]
disabled = false

3
secrets/.gitattributes vendored Normal file
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* filter=git-crypt diff=git-crypt
.gitattributes !filter !diff
README.md !filter !diff

1
shell.nix Normal file
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(import ./lib/compat).shellNix

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@ -0,0 +1 @@
[ ]

14
users/nixos/default.nix Normal file
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{ ... }:
{
home-manager.users.nixos = { suites, ... }: {
imports = suites.base;
};
users.users.nixos = {
uid = 1000;
password = "nixos";
description = "default";
isNormalUser = true;
extraGroups = [ "wheel" ];
};
}

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{
programs.direnv = {
enable = true;
enableNixDirenvIntegration = true;
};
}

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{
programs.git = {
enable = true;
extraConfig = {
pull.rebase = false;
};
aliases = {
a = "add -p";
co = "checkout";
cob = "checkout -b";
f = "fetch -p";
c = "commit";
p = "push";
ba = "branch -a";
bd = "branch -d";
bD = "branch -D";
d = "diff";
dc = "diff --cached";
ds = "diff --staged";
r = "restore";
rs = "restore --staged";
st = "status -sb";
# reset
soft = "reset --soft";
hard = "reset --hard";
s1ft = "soft HEAD~1";
h1rd = "hard HEAD~1";
# logging
lg =
"log --color --graph --pretty=format:'%Cred%h%Creset -%C(yellow)%d%Creset %s %Cgreen(%cr) %C(bold blue)<%an>%Creset' --abbrev-commit";
plog =
"log --graph --pretty='format:%C(red)%d%C(reset) %C(yellow)%h%C(reset) %ar %C(green)%aN%C(reset) %s'";
tlog =
"log --stat --since='1 Day Ago' --graph --pretty=oneline --abbrev-commit --date=relative";
rank = "shortlog -sn --no-merges";
# delete merged branches
bdm = "!git branch --merged | grep -v '*' | xargs -n 1 git branch -d";
};
};
}

5
users/root/default.nix Normal file
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{ ... }:
# recommend using `hashedPassword`
{
users.users.root.password = "";
}