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Merge pull request #156 from InternetUnexplorer/update-readme

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clarify behavior of github_access_token option
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Domen Kožar 2023-02-06 07:13:26 +01:00 committed by GitHub
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README.md
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# install-nix-action # install-nix-action
![github actions badge](https://github.com/cachix/install-nix-action/workflows/install-nix-action%20test/badge.svg) ![GitHub Actions badge](https://github.com/cachix/install-nix-action/workflows/install-nix-action%20test/badge.svg)
Installs [Nix](https://nixos.org/nix/) on GitHub Actions for the supported platforms: Linux and macOS. Installs [Nix](https://nixos.org/nix/) on GitHub Actions for the supported platforms: Linux and macOS.
By default it has no nixpkgs configured, you have to set `nix_path` By default it has no nixpkgs configured, you have to set `nix_path`
by [picking a channel](https://status.nixos.org/) by [picking a channel](https://status.nixos.org/)
or [pin nixpkgs yourself](https://nix.dev/reference/pinning-nixpkgs.html) or [pin nixpkgs yourself](https://nix.dev/reference/pinning-nixpkgs.html)
(see also [pinning tutorial](https://nix.dev/tutorials/towards-reproducibility-pinning-nixpkgs.html)). (see also [pinning tutorial](https://nix.dev/tutorials/towards-reproducibility-pinning-nixpkgs.html)).
# Features # Features
- Quick installation (~4s on Linux, ~20s on macOS) - Quick installation (~4s on Linux, ~20s on macOS)
- Multi-User installation (with sandboxing enabled only on Linux) - Multi-User installation (with sandboxing enabled only on Linux)
- [Self-hosted github runner](https://docs.github.com/en/actions/hosting-your-own-runners/about-self-hosted-runners) support - [Self-hosted GitHub runner](https://docs.github.com/en/actions/hosting-your-own-runners/about-self-hosted-runners) support
- Allows specifying Nix installation URL via `install_url` (the oldest supported Nix version is 2.3.5) - Allows specifying Nix installation URL via `install_url` (the oldest supported Nix version is 2.3.5)
- Allows specifying extra Nix configration options via `extra_nix_config` - Allows specifying extra Nix configuration options via `extra_nix_config`
- Allows specifying `$NIX_PATH` and channels via `nix_path` - Allows specifying `$NIX_PATH` and channels via `nix_path`
- Share `/nix/store` between builds using [cachix-action](https://github.com/cachix/cachix-action) for simple binary cache setup to speed up your builds and share binaries with your team - Share `/nix/store` between builds using [cachix-action](https://github.com/cachix/cachix-action) for simple binary cache setup to speed up your builds and share binaries with your team
- Enables `flakes` and `nix-command` experimental features by default (to disable, set ``experimental-features`` via ``extra_nix_config``) - Enables `flakes` and `nix-command` experimental features by default (to disable, set `experimental-features` via `extra_nix_config`)
## Usage ## Usage
@ -40,7 +40,6 @@ jobs:
- run: nix-build - run: nix-build
``` ```
## Usage with Flakes ## Usage with Flakes
```yaml ```yaml
@ -66,11 +65,11 @@ To install Nix from any commit, go to [the corresponding installer_test action](
- `extra_nix_config`: append to `/etc/nix/nix.conf` - `extra_nix_config`: append to `/etc/nix/nix.conf`
- `github_access_token`: configure nix to pull from github using the given github token. This helps work around rate limit issues. - `github_access_token`: configure Nix to pull from GitHub using the given GitHub token. This helps work around rate limit issues. Has no effect when `access-tokens` is also specified in `extra_nix_config`.
- `install_url`: specify URL to install Nix from (useful for testing non-stable releases or pinning Nix for example https://releases.nixos.org/nix/nix-2.3.7/install) - `install_url`: specify URL to install Nix from (useful for testing non-stable releases or pinning Nix, for example https://releases.nixos.org/nix/nix-2.3.7/install)
- `install_options`: Additional installer flags passed to the installer script. - `install_options`: additional installer flags passed to the installer script.
- `nix_path`: set `NIX_PATH` environment variable, for example `nixpkgs=channel:nixos-unstable` - `nix_path`: set `NIX_PATH` environment variable, for example `nixpkgs=channel:nixos-unstable`
@ -80,7 +79,6 @@ To install Nix from any commit, go to [the corresponding installer_test action](
### How do I print nixpkgs version I have configured? ### How do I print nixpkgs version I have configured?
```yaml ```yaml
- name: Print nixpkgs version - name: Print nixpkgs version
run: nix-instantiate --eval -E '(import <nixpkgs> {}).lib.version' run: nix-instantiate --eval -E '(import <nixpkgs> {}).lib.version'
@ -132,16 +130,19 @@ install-nix-action's own `extra_nix_config` input:
## Hacking ## Hacking
Install the dependencies Install the dependencies
```bash ```bash
$ yarn install $ yarn install
``` ```
Build the typescript Build the typescript
```bash ```bash
$ yarn build $ yarn build
``` ```
Run the tests :heavy_check_mark: Run the tests :heavy_check_mark:
```bash ```bash
$ yarn test $ yarn test
``` ```