README: v11

Fix #35 : document nixpkgs version printing
Document #19
2020-09-21 15:16:33 +02:00 · 2020-09-21 15:12:38 +02:00 · 2020-09-21 15:10:35 +02:00 · 2020-09-21 15:00:53 +02:00 · 2020-09-21 15:00:28 +02:00 · 2020-09-21 14:58:38 +02:00
1 changed files with 18 additions and 7 deletions
--- a/README.md
+++ b/README.md
@ -4,18 +4,18 @@

 Installs [Nix](https://nixos.org/nix/) on GitHub Actions for the supported platforms: Linux and macOS.

-By default it has no channels 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/)
 or [pin nixpkgs yourself](https://nix.dev/tutorials/towards-reproducibility-pinning-nixpkgs.html).

 # Features

 - Quick installation (~4s on Linux, ~20s on macOS)
- Multi-User mode with sandboxing enabled 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
- Allows specifying Nix installation URL
- Allows specifying extra Nix configration options
- Allows specifying `$NIX_PATH` and channels
+- Allows specifying Nix installation URL via `install_url`
+- Allows specifying extra Nix configration options via `extra_nix_config`
+- Allows specifying `$NIX_PATH` and channels via `nix_path`

 ## Usage

@ -31,7 +31,7 @@ jobs:
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v2
-    - uses: cachix/install-nix-action@v10
+    - uses: cachix/install-nix-action@v11
      with:
        nix_path: nixpkgs=channel:nixos-unstable
    - run: nix-build
@ -41,7 +41,7 @@ See also [cachix-action](https://github.com/cachix/cachix-action) for
 simple binary cache setup to speed up your builds and share binaries
 with developers.

-# Usage with Flakes
+## Usage with Flakes

 ```
 name: "Test"
@ -74,6 +74,17 @@ jobs:

 ---

+## FAQ
+
+### Is it possible to run NixOS tests / Qemu+KVM with GitHub Actions?
+
+[Currently GitHub Actions are not running on Azure instance types that support nested virtualization](https://github.com/actions/virtual-environments/issues/183#issuecomment-610723516).
+
+### How do I print nixpkgs version with the channel I have configured?
+
+
+```nix-instantiate --eval -E '(import <nixpkgs> {}).lib.version'```
+
 ## Hacking

 Install the dependencies
Author	SHA1	Message	Date
Domen Kožar	95a8068e31	README: v11	2020-09-21 15:16:33 +02:00
Domen Kožar	9e0a5291c3	Fix #35 : document nixpkgs version printing	2020-09-21 15:12:38 +02:00
Domen Kožar	b093d8fdd9	Document #19	2020-09-21 15:10:35 +02:00
Domen Kožar	6b9133ebb9	README: typo	2020-09-21 15:00:53 +02:00
Domen Kožar	05229ec560	README: update	2020-09-21 15:00:28 +02:00
Domen Kožar	97465807a1	Merge pull request #47 from cachix/prepare-v10 Support self-hosted runners and always skip adding a channel	2020-09-21 14:58:38 +02:00