Update README for v19

update tests

README.md

@@ -1,6 +1,6 @@
 # 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.
 
@@ -13,12 +13,12 @@ or [pin nixpkgs yourself](https://nix.dev/reference/pinning-nixpkgs.html)
 
 - Quick installation (~4s on Linux, ~20s on macOS)
 - 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 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`
 - 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
 
@@ -34,13 +34,12 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v3
-    - uses: cachix/install-nix-action@v18
+    - uses: cachix/install-nix-action@v19
       with:
         nix_path: nixpkgs=channel:nixos-unstable
     - run: nix-build
 ```
 
-
 ## Usage with Flakes
 
 ```yaml
@@ -53,7 +52,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v3
-    - uses: cachix/install-nix-action@v18
+    - uses: cachix/install-nix-action@v19
       with:
         github_access_token: ${{ secrets.GITHUB_TOKEN }}
     - run: nix build
@@ -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`
 
-- `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`
 
@@ -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?
 
-
 ```yaml
 - name: Print nixpkgs version
   run: nix-instantiate --eval -E '(import <nixpkgs> {}).lib.version'
@@ -122,26 +120,9 @@ Otherwise, you can add any binary cache to nix.conf using
 install-nix-action's own `extra_nix_config` input:
 
 ```yaml
-- uses: cachix/install-nix-action@v18
+- uses: cachix/install-nix-action@v19
   with:
     extra_nix_config: |
       trusted-public-keys = hydra.iohk.io:f/Ea+s+dFdN+3Y/G+FDgSq+a5NEWhJGzdjvKNGv0/EQ= cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY=
       substituters = https://hydra.iohk.io https://cache.nixos.org/
 ```
-
-## Hacking
-
-Install the dependencies
-```bash
-$ yarn install
-```
-
-Build the typescript
-```bash
-$ yarn build
-```
-
-Run the tests :heavy_check_mark:
-```bash
-$ yarn test
-```

action.yml

@@ -26,3 +26,4 @@ runs:
         INPUT_INSTALL_OPTIONS: ${{ inputs.install_options }}
         INPUT_INSTALL_URL: ${{ inputs.install_url }}
         INPUT_NIX_PATH: ${{ inputs.nix_path }}
+        GITHUB_TOKEN: ${{ github.token }}

install-nix.sh

@@ -22,8 +22,10 @@ add_config "max-jobs = auto"
 # Allow binary caches for user
 add_config "trusted-users = root $USER"
 # Add github access token
-if [[ $INPUT_GITHUB_ACCESS_TOKEN != "" ]]; then
+if [[ -n "${INPUT_GITHUB_ACCESS_TOKEN:-}" ]]; then
-  add_config "access-tokens" "github.com=$INPUT_GITHUB_ACCESS_TOKEN"
+  add_config "access-tokens = github.com=$INPUT_GITHUB_ACCESS_TOKEN"
+elif [[ -n "${GITHUB_TOKEN:-}" ]]; then
+  add_config "access-tokens = github.com=$GITHUB_TOKEN"
 fi
 # Append extra nix configuration if provided
 if [[ $INPUT_EXTRA_NIX_CONFIG != "" ]]; then