try to fix act test

install-nix.sh: Collapse log messages

.github/workflows/test.yml

@@ -12,9 +12,7 @@ jobs:
         os: [ubuntu-latest, macos-latest]
     runs-on: ${{ matrix.os }}
     steps:
-    - uses: actions/checkout@v2.3.4
+    - uses: actions/checkout@v3
-    - run: yarn install --frozen-lockfile
-    - run: yarn build
     - name: Install Nix
       uses: ./
       with:
@@ -24,16 +22,13 @@ jobs:
     # cachix should be available and be able to configure a cache
     - run: cachix use cachix
     - run: nix-build test.nix
-
   custom-nix-path:
     strategy:
       matrix:
         os: [ubuntu-latest, macos-latest]
     runs-on: ${{ matrix.os }}
     steps:
-    - uses: actions/checkout@v2.3.4
+    - uses: actions/checkout@v3
-    - run: yarn install --frozen-lockfile
-    - run: yarn build
     - name: Install Nix
       uses: ./
       with:
@@ -47,12 +42,10 @@ jobs:
         os: [ubuntu-latest, macos-latest]
     runs-on: ${{ matrix.os }}
     steps:
-    - uses: actions/checkout@v2.3.4
+    - uses: actions/checkout@v3
-    - run: yarn install --frozen-lockfile
-    - run: yarn build
     - name: Install Nix
       uses: ./
-      with: 
+      with:
         nix_path: nixpkgs=channel:nixos-20.03
         extra_nix_config: |
           sandbox = relaxed
@@ -65,16 +58,13 @@ jobs:
         os: [ubuntu-latest, macos-latest]
     runs-on: ${{ matrix.os }}
     steps:
-    - uses: actions/checkout@v2.3.4
+    - uses: actions/checkout@v3
-    - run: yarn install --frozen-lockfile
-    - run: yarn build
     - name: Install Nix
       uses: ./
       with:
         install_url: https://nixos-nix-install-tests.cachix.org/serve/i6laym9jw3wg9mw6ncyrk6gjx4l34vvx/install
         install_options: '--tarball-url-prefix https://nixos-nix-install-tests.cachix.org/serve'
         extra_nix_config: |
-          experimental-features = nix-command flakes
           access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
     - run: nix flake show github:NixOS/nixpkgs
 
@@ -84,13 +74,36 @@ jobs:
         os: [ubuntu-latest, macos-latest]
     runs-on: ${{ matrix.os }}
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
-    - run: yarn install --frozen-lockfile
-    - run: yarn build
     - name: Install Nix
       uses: ./
-      with: 
+      with:
         nix_path: nixpkgs=channel:nixos-21.05
         install_url: https://nixos-nix-install-tests.cachix.org/serve/i6laym9jw3wg9mw6ncyrk6gjx4l34vvx/install
         install_options: '--tarball-url-prefix https://nixos-nix-install-tests.cachix.org/serve'
     - run: nix-build test.nix
+
+  oldest-supported-installer:
+    strategy:
+        matrix:
+          os: [ubuntu-latest, macos-latest]
+    runs-on: ${{ matrix.os }}
+    steps:
+    - uses: actions/checkout@v3
+    - name: Install Nix
+      uses: ./
+      with:
+        nix_path: nixpkgs=channel:nixos-21.05
+        install_url: https://releases.nixos.org/nix/nix-2.3.8/install
+    - run: nix-build test.nix
+
+  act-support:
+    strategy:
+        matrix:
+          os: [ubuntu-latest]
+    runs-on: ${{ matrix.os }}
+    steps:
+    - uses: actions/checkout@v3
+    - run: curl https://raw.githubusercontent.com/nektos/act/master/install.sh | sudo bash
+    - run: docker pull ghcr.io/catthehacker/ubuntu:js-20.04
+    - run: ./bin/act -P ubuntu-latest=ghcr.io/catthehacker/ubuntu:js-20.04 push -j simple-build

README.md

@@ -14,10 +14,11 @@ 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
-- Allows specifying Nix installation URL via `install_url`
+- 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 `$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``) 
 
 ## Usage
 
@@ -32,8 +33,8 @@ jobs:
   tests:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2.3.4
+    - uses: actions/checkout@v2.4.0
-    - uses: cachix/install-nix-action@v13
+    - uses: cachix/install-nix-action@v15
       with:
         nix_path: nixpkgs=channel:nixos-unstable
     - run: nix-build
@@ -51,13 +52,10 @@ jobs:
   tests:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2.3.4
+    - uses: actions/checkout@v2.4.0
-    - uses: cachix/install-nix-action@v13
+    - uses: cachix/install-nix-action@v15
       with:
-        install_url: https://nixos-nix-install-tests.cachix.org/serve/i6laym9jw3wg9mw6ncyrk6gjx4l34vvx/install
-        install_options: '--tarball-url-prefix https://nixos-nix-install-tests.cachix.org/serve'
         extra_nix_config: |
-          experimental-features = nix-command flakes
           access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
     - run: nix build
     - run: nix flake check

__tests__/main.test.ts

@@ -1,4 +0,0 @@
-test('nothing', async() => {
-});
-
-// TODO: hopefully github actions will support integration tests

action.yml

@@ -14,5 +14,12 @@ branding:
   color: 'blue'
   icon: 'sun'
 runs:
-  using: 'node12'
+  using: 'composite'
-  main: 'lib/main.js'
+  steps:
+    - run : ${{ github.action_path }}/install-nix.sh
+      shell: bash
+      env:
+        INPUT_INSTALL_URL: ${{ inputs.install_url }}
+        INPUT_INSTALL_OPTIONS: ${{ inputs.install_options }}
+        INPUT_NIX_PATH: ${{ inputs.nix_path }}
+        INPUT_EXTRA_NIX_CONFIG: ${{ inputs.extra_nix_config }}

install-nix.sh

@@ -6,9 +6,16 @@ if type -p nix &>/dev/null ; then
   exit
 fi
 
+# GitHub command to put the following log messages into a group which is collapsed by default
+echo "::group::Installing Nix"
+
+# Create a temporary workdir
+workdir=$(mktemp -d)
+trap 'rm -rf "$workdir"' EXIT
+
 # Configure Nix
 add_config() {
-  echo "$1" | tee -a /tmp/nix.conf >/dev/null
+  echo "$1" | tee -a "$workdir/nix.conf" >/dev/null
 }
 # Set jobs to number of cores
 add_config "max-jobs = auto"
@@ -18,39 +25,54 @@ add_config "trusted-users = root $USER"
 if [[ $INPUT_EXTRA_NIX_CONFIG != "" ]]; then
   add_config "$INPUT_EXTRA_NIX_CONFIG"
 fi
+if [[ ! $INPUT_EXTRA_NIX_CONFIG =~ "experimental-features" ]]; then
+  add_config "experimental-features = nix-command flakes"
+fi
 
 # Nix installer flags
 installer_options=(
   --no-channel-add
   --darwin-use-unencrypted-nix-store-volume
-  --nix-extra-conf-file /tmp/nix.conf
+  --nix-extra-conf-file "$workdir/nix.conf"
 )
 
 # only use the nix-daemon settings if on darwin (which get ignored) or systemd is supported
 if [[ $OSTYPE =~ darwin || -e /run/systemd/system ]]; then
   installer_options+=(
     --daemon
-    --daemon-user-count `python -c 'import multiprocessing as mp; print(mp.cpu_count() * 2)'`
+    --daemon-user-count "$(python3 -c 'import multiprocessing as mp; print(mp.cpu_count() * 2)')"
   )
 else
   # "fix" the following error when running nix*
   # error: the group 'nixbld' specified in 'build-users-group' does not exist
-  mkdir -m 0755 /etc/nix
+  add_config "build-users-group ="
-  echo "build-users-group =" > /etc/nix/nix.conf
+  sudo mkdir -p /etc/nix
+  sudo chmod 0755 /etc/nix
+  sudo cp $workdir/nix.conf /etc/nix/nix.conf
 fi
 
 if [[ $INPUT_INSTALL_OPTIONS != "" ]]; then
-  IFS=' ' read -r -a extra_installer_options <<< $INPUT_INSTALL_OPTIONS
+  IFS=' ' read -r -a extra_installer_options <<< "$INPUT_INSTALL_OPTIONS"
   installer_options=("${extra_installer_options[@]}" "${installer_options[@]}")
 fi
 
-echo "installer options: ${installer_options[@]}"
+echo "installer options: ${installer_options[*]}"
-sh <(curl --retry 5 --retry-connrefused -L "${INPUT_INSTALL_URL:-https://nixos.org/nix/install}") "${installer_options[@]}"
+
+# There is --retry-on-errors, but only newer curl versions support that
+curl_retries=5
+while ! curl -sS -o "$workdir/install" -v --fail -L "${INPUT_INSTALL_URL:-https://nixos.org/nix/install}"
+do
+  sleep 1
+  ((curl_retries--))
+  if [[ $curl_retries -le 0 ]]; then
+    echo "curl retries failed" >&2
+    exit 1
+  fi
+done
+
+sh "$workdir/install" "${installer_options[@]}"
 
 if [[ $OSTYPE =~ darwin ]]; then
-  # Disable spotlight indexing of /nix to speed up performance
-  sudo mdutil -i off /nix
-
   # macOS needs certificates hints
   cert_file=/nix/var/nix/profiles/default/etc/ssl/certs/ca-bundle.crt
   echo "NIX_SSL_CERT_FILE=$cert_file" >> "$GITHUB_ENV"
@@ -59,9 +81,12 @@ if [[ $OSTYPE =~ darwin ]]; then
 fi
 
 # Set paths
-echo "/nix/var/nix/profiles/per-user/$USER/profile/bin" >> "$GITHUB_PATH"
 echo "/nix/var/nix/profiles/default/bin" >> "$GITHUB_PATH"
+echo "/nix/var/nix/profiles/per-user/$USER/profile/bin" >> "$GITHUB_PATH"
 
 if [[ $INPUT_NIX_PATH != "" ]]; then
   echo "NIX_PATH=${INPUT_NIX_PATH}" >> "$GITHUB_ENV"
 fi
+
+# Close the log message group which was opened above
+echo "::endgroup::"

jest.config.js

@@ -1,11 +0,0 @@
-module.exports = {
-  clearMocks: true,
-  moduleFileExtensions: ['js', 'ts'],
-  testEnvironment: 'node',
-  testMatch: ['**/*.test.ts'],
-  testRunner: 'jest-circus/runner',
-  transform: {
-    '^.+\\.ts$': 'ts-jest'
-  },
-  verbose: true
-}

lib/README.md

@@ -1,5 +0,0 @@
-
-# Generated Code
-
-The files in this directory are generated.
-See [src](../src)

lib/main.js

@@ -1,4 +0,0 @@
-"use strict";
-Object.defineProperty(exports, "__esModule", { value: true });
-const child_process_1 = require("child_process");
-child_process_1.execFileSync(`${__dirname}/install-nix.sh`, { stdio: 'inherit' });

package.json

@@ -1,36 +0,0 @@
-{
-  "name": "install-nix-action",
-  "version": "1.0.0",
-  "private": true,
-  "description": "Installs Nix on GitHub Actions for the supported platforms: Linux and macOS.",
-  "main": "lib/main.js",
-  "scripts": {
-    "build": "tsc",
-    "test": "jest"
-  },
-  "repository": {
-    "type": "git",
-    "url": "git+https://github.com/cachix/install-nix-action.git"
-  },
-  "keywords": [
-    "actions",
-    "node",
-    "setup"
-  ],
-  "author": "Domen Kožar",
-  "license": "ASL2",
-  "dependencies": {
-    "@actions/core": "^1.2.6",
-    "@actions/exec": "^1.0.1",
-    "@actions/tool-cache": "^1.1.2"
-  },
-  "devDependencies": {
-    "ts-node": "^8.4.1",
-    "@types/jest": "^24.0.13",
-    "@types/node": "^12.0.4",
-    "jest": "^24.8.0",
-    "jest-circus": "^24.7.1",
-    "ts-jest": "^24.0.2",
-    "typescript": "^3.5.1"
-  }
-}

shell.nix

@@ -1,8 +0,0 @@
-{ pkgs ? import <nixpkgs> {}
-}:
-
-pkgs.mkShell {
-  name = "install-nix-action-shell";
-
-  buildInputs = [ pkgs.yarn ];
-}

src/main.ts

@@ -1,3 +0,0 @@
-import { execFileSync } from 'child_process';
-
-execFileSync(`${__dirname}/install-nix.sh`, { stdio: 'inherit' });

tsconfig.json

@@ -1,63 +0,0 @@
-{
-  "compilerOptions": {
-    /* Basic Options */
-    // "incremental": true,                   /* Enable incremental compilation */
-    "target": "es6",                          /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017', 'ES2018', 'ES2019' or 'ESNEXT'. */
-    "module": "commonjs",                     /* Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', or 'ESNext'. */
-    // "allowJs": true,                       /* Allow javascript files to be compiled. */
-    // "checkJs": true,                       /* Report errors in .js files. */
-    // "jsx": "preserve",                     /* Specify JSX code generation: 'preserve', 'react-native', or 'react'. */
-    // "declaration": true,                   /* Generates corresponding '.d.ts' file. */
-    // "declarationMap": true,                /* Generates a sourcemap for each corresponding '.d.ts' file. */
-    // "sourceMap": true,                     /* Generates corresponding '.map' file. */
-    // "outFile": "./",                       /* Concatenate and emit output to single file. */
-    "outDir": "./lib",                        /* Redirect output structure to the directory. */
-    "rootDir": "./src",                       /* Specify the root directory of input files. Use to control the output directory structure with --outDir. */
-    // "composite": true,                     /* Enable project compilation */
-    // "tsBuildInfoFile": "./",               /* Specify file to store incremental compilation information */
-    // "removeComments": true,                /* Do not emit comments to output. */
-    // "noEmit": true,                        /* Do not emit outputs. */
-    // "importHelpers": true,                 /* Import emit helpers from 'tslib'. */
-    // "downlevelIteration": true,            /* Provide full support for iterables in 'for-of', spread, and destructuring when targeting 'ES5' or 'ES3'. */
-    // "isolatedModules": true,               /* Transpile each file as a separate module (similar to 'ts.transpileModule'). */
-
-    /* Strict Type-Checking Options */
-    "strict": true,                           /* Enable all strict type-checking options. */
-    "noImplicitAny": false,                 /* Raise error on expressions and declarations with an implied 'any' type. */
-    // "strictNullChecks": true,              /* Enable strict null checks. */
-    // "strictFunctionTypes": true,           /* Enable strict checking of function types. */
-    // "strictBindCallApply": true,           /* Enable strict 'bind', 'call', and 'apply' methods on functions. */
-    // "strictPropertyInitialization": true,  /* Enable strict checking of property initialization in classes. */
-    // "noImplicitThis": true,                /* Raise error on 'this' expressions with an implied 'any' type. */
-    // "alwaysStrict": true,                  /* Parse in strict mode and emit "use strict" for each source file. */
-
-    /* Additional Checks */
-    // "noUnusedLocals": true,                /* Report errors on unused locals. */
-    // "noUnusedParameters": true,            /* Report errors on unused parameters. */
-    // "noImplicitReturns": true,             /* Report error when not all code paths in function return a value. */
-    // "noFallthroughCasesInSwitch": true,    /* Report errors for fallthrough cases in switch statement. */
-
-    /* Module Resolution Options */
-    // "moduleResolution": "node",            /* Specify module resolution strategy: 'node' (Node.js) or 'classic' (TypeScript pre-1.6). */
-    // "baseUrl": "./",                       /* Base directory to resolve non-absolute module names. */
-    // "paths": {},                           /* A series of entries which re-map imports to lookup locations relative to the 'baseUrl'. */
-    // "rootDirs": [],                        /* List of root folders whose combined content represents the structure of the project at runtime. */
-    // "typeRoots": [],                       /* List of folders to include type definitions from. */
-    // "types": [],                           /* Type declaration files to be included in compilation. */
-    // "allowSyntheticDefaultImports": true,  /* Allow default imports from modules with no default export. This does not affect code emit, just typechecking. */
-    "esModuleInterop": true                   /* Enables emit interoperability between CommonJS and ES Modules via creation of namespace objects for all imports. Implies 'allowSyntheticDefaultImports'. */
-    // "preserveSymlinks": true,              /* Do not resolve the real path of symlinks. */
-    // "allowUmdGlobalAccess": true,          /* Allow accessing UMD globals from modules. */
-
-    /* Source Map Options */
-    // "sourceRoot": "",                      /* Specify the location where debugger should locate TypeScript files instead of source locations. */
-    // "mapRoot": "",                         /* Specify the location where debugger should locate map files instead of generated locations. */
-    // "inlineSourceMap": true,               /* Emit a single file with source maps instead of having a separate file. */
-    // "inlineSources": true,                 /* Emit the source alongside the sourcemaps within a single file; requires '--inlineSourceMap' or '--sourceMap' to be set. */
-
-    /* Experimental Options */
-    // "experimentalDecorators": true,        /* Enables experimental support for ES7 decorators. */
-    // "emitDecoratorMetadata": true,         /* Enables experimental support for emitting type metadata for decorators. */
-  },
-  "exclude": ["node_modules", "**/*.test.ts"]
-}