check space

.github/workflows/test.yml

@@ -3,34 +3,8 @@ on:
   pull_request:
   push:
 jobs:
-  simple-build:
-    strategy:
-      matrix:
-        os: [ubuntu-latest, macos-latest]
-    runs-on: ${{ matrix.os }}
+  tests:
+    runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
-    - run: yarn install --frozen-lockfile
-    - run: yarn build
-    - name: Install Nix
-      uses: ./
-    - run: nix-env -iA cachix -f https://cachix.org/api/v1/install
-    - run: cat /etc/nix/nix.conf
-    # cachix should be available and be able to configure a cache
-    - run: cachix use cachix
-    - run: nix-build test.nix
-  no-channel:
-    strategy:
-      matrix:
-        os: [ubuntu-latest, macos-latest]
-    runs-on: ${{ matrix.os }}
-    steps:
-    - uses: actions/checkout@v2
-    - run: yarn install --frozen-lockfile
-    - run: yarn build
-    - name: Install Nix
-      uses: ./
-      with:
-        skip_adding_nixpkgs_channel: true
-    - run: nix-build test.nix && exit 1 || echo "OK"
-    - run: NIX_PATH=nixpkgs=https://github.com/NixOS/nixpkgs/tarball/ab5863afada3c1b50fc43bf774b75ea71b287cde nix-build test.nix
+      - run: sudo du -sh /var/*
+      - run: sudo du -sh /usr/*

README.md

@@ -18,7 +18,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v2
-    - uses: cachix/install-nix-action@v8
+    - uses: cachix/install-nix-action@v7
     - run: nix-build
 ```
 

action.yml

@@ -1,11 +1,6 @@
 name: 'Install Nix'
 description: 'Installs Nix on GitHub Actions for the supported platforms: Linux and macOS.'
 author: 'Domen Kožar'
-inputs:
-  install_url:
-    description: 'Installation URL that will contain a script to install Nix'
-  skip_adding_nixpkgs_channel:
-    description: 'Skip adding nixpkgs-unstable channel'
 branding:
   color: 'blue'
   icon: 'sun'

lib/install-nix.sh

@@ -1,34 +1,48 @@
 #!/usr/bin/env bash
 set -euo pipefail
 
-# Set jobs to number of cores
-sudo sh -c 'echo max-jobs = auto >> /tmp/nix.conf'
-# Allow binary caches for runner user
-sudo sh -c 'echo trusted-users = root runner >> /tmp/nix.conf'
+export here=$(dirname "${BASH_SOURCE[0]}")
 
-if [[ $INPUT_SKIP_ADDING_NIXPKGS_CHANNEL = "true" ]]; then
-  extra_cmd=--no-channel-add
-else
-  extra_cmd=
-fi
-
-sh <(curl -L ${INPUT_INSTALL_URL:-https://nixos.org/nix/install}) \
-  --nix-extra-conf-file /tmp/nix.conf --darwin-use-unencrypted-nix-store-volume $extra_cmd
+nixConf() {
+  sudo mkdir -p /etc/nix
+  # Workaround a segfault: https://github.com/NixOS/nix/issues/2733
+  sudo sh -c 'echo http2 = false >> /etc/nix/nix.conf'
+  # Set jobs to number of cores
+  sudo sh -c 'echo max-jobs = auto >> /etc/nix/nix.conf'
+  # Allow binary caches for runner user
+  sudo sh -c 'echo trusted-users = root runner >> /etc/nix/nix.conf'
+}
 
 if [[ $OSTYPE =~ darwin ]]; then
+  # Catalina workaround https://github.com/NixOS/nix/issues/2925
+  $here/create-darwin-volume.sh
+
   # Disable spotlight indexing of /nix to speed up performance
   sudo mdutil -i off /nix
+fi
 
-  # macOS needs certificates hints
+nixConf
+
+# Needed due to multi-user being too defensive
+export ALLOW_PREEXISTING_INSTALLATION=1
+
+sh <(curl -L https://nixos.org/nix/install) --daemon
+
+# write nix.conf again as installation overwrites it
+nixConf
+
+# macOS needs certificates hints
+if [[ $OSTYPE =~ darwin ]]; then
   cert_file=/nix/var/nix/profiles/default/etc/ssl/certs/ca-bundle.crt
   echo "::set-env name=NIX_SSL_CERT_FILE::$cert_file"
   export NIX_SSL_CERT_FILE=$cert_file
   sudo launchctl setenv NIX_SSL_CERT_FILE "$cert_file"
 fi
 
+# Reload the daemon to pick up changes
+sudo pkill -HUP nix-daemon
+
 # Set paths
 echo "::add-path::/nix/var/nix/profiles/per-user/runner/profile/bin"
 echo "::add-path::/nix/var/nix/profiles/default/bin"
-if [[ $INPUT_SKIP_ADDING_NIXPKGS_CHANNEL != "true" ]]; then
 echo "::set-env name=NIX_PATH::/nix/var/nix/profiles/per-user/root/channels"
-fi

lib/main.js

@@ -1,4 +1,30 @@
 "use strict";
+var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
+    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
+    return new (P || (P = Promise))(function (resolve, reject) {
+        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
+        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
+        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
+        step((generator = generator.apply(thisArg, _arguments || [])).next());
+    });
+};
 Object.defineProperty(exports, "__esModule", { value: true });
 const child_process_1 = require("child_process");
+const process_1 = require("process");
+const net_1 = require("net");
+function awaitSocket() {
+    return __awaiter(this, void 0, void 0, function* () {
+        const daemonSocket = net_1.createConnection({ path: '/nix/var/nix/daemon-socket/socket' });
+        daemonSocket.on('error', () => __awaiter(this, void 0, void 0, function* () {
+            console.log('Waiting for daemon socket to be available, reconnecting...');
+            yield new Promise(resolve => setTimeout(resolve, 500));
+            yield awaitSocket();
+        }));
+        daemonSocket.on('connect', () => {
+            process_1.exit(0);
+        });
+    });
+}
 child_process_1.execFileSync(`${__dirname}/install-nix.sh`, { stdio: 'inherit' });
+// nc doesn't work correctly on macOS :(
+awaitSocket();

src/main.ts

@@ -1,3 +1,20 @@
 import { execFileSync } from 'child_process';
+import { exit } from 'process';
+import { createConnection } from 'net';
+
+async function awaitSocket() {
+  const daemonSocket = createConnection({ path: '/nix/var/nix/daemon-socket/socket' });
+  daemonSocket.on('error', async () => {
+    console.log('Waiting for daemon socket to be available, reconnecting...');
+    await new Promise(resolve => setTimeout(resolve, 500));
+    await awaitSocket();
+  });
+  daemonSocket.on('connect', () => {
+    exit(0);
+  });
+}
 
 execFileSync(`${__dirname}/install-nix.sh`, { stdio: 'inherit' });
+
+// nc doesn't work correctly on macOS :(
+awaitSocket();

yarn.lock

@@ -424,9 +424,9 @@ acorn-walk@^6.0.1:
   integrity sha512-7evsyfH1cLOCdAzZAd43Cic04yKydNx0cF+7tiA19p1XnLLPU4dpCQOqpjqwokFe//vS0QqfqqjCS2JkiIs0cA==
 
 acorn@^5.5.3:
-  version "5.7.4"
-  resolved "https://registry.yarnpkg.com/acorn/-/acorn-5.7.4.tgz#3e8d8a9947d0599a1796d10225d7432f4a4acf5e"
-  integrity sha512-1D++VG7BhrtvQpNbBzovKNc1FLGGEE/oGe7b9xJm/RFHMBeUaUGpluV9RLjZa47YFdPcDAenEYuq9pQPcMdLJg==
+  version "5.7.3"
+  resolved "https://registry.yarnpkg.com/acorn/-/acorn-5.7.3.tgz#67aa231bf8812974b85235a96771eb6bd07ea279"
+  integrity sha512-T/zvzYRfbVojPWahDsE5evJdHb3oJoQfFbsrKM7w5Zcs++Tr257tia3BmMP8XYVjp1S9RZXQMh7gao96BlqZOw==
 
 acorn@^6.0.1:
   version "6.3.0"