install-nix-action/lib/main.js

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"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());
});
};
var __importStar = (this && this.__importStar) || function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) result[k] = mod[k];
result["default"] = mod;
return result;
};
Object.defineProperty(exports, "__esModule", { value: true });
const core = __importStar(require("@actions/core"));
const exec = __importStar(require("@actions/exec"));
const tc = __importStar(require("@actions/tool-cache"));
const os_1 = require("os");
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function nixConf() {
return __awaiter(this, void 0, void 0, function* () {
// Workaround a segfault: https://github.com/NixOS/nix/issues/2733
yield exec.exec("sudo", ["mkdir", "-p", "/etc/nix"]);
yield exec.exec("sudo", ["sh", "-c", "echo http2 = false >> /etc/nix/nix.conf"]);
// Set jobs to number of cores
yield exec.exec("sudo", ["sh", "-c", "echo max-jobs = auto >> /etc/nix/nix.conf"]);
// Allow binary caches for runner user
yield exec.exec("sudo", ["sh", "-c", "echo trusted-users = root runner >> /etc/nix/nix.conf"]);
});
}
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function run() {
return __awaiter(this, void 0, void 0, function* () {
try {
const PATH = process.env.PATH;
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const INSTALL_PATH = '/opt/nix';
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yield nixConf();
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// Catalina workaround https://github.com/NixOS/nix/issues/2925
if (os_1.type() == "Darwin") {
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yield exec.exec("sudo", ["sh", "-c", `echo \"nix\t${INSTALL_PATH}\" >> /etc/synthetic.conf`]);
yield exec.exec("sudo", ["sh", "-c", `mkdir -m 0755 ${INSTALL_PATH} && chown runner ${INSTALL_PATH}`]);
yield exec.exec("/System/Library/Filesystems/apfs.fs/Contents/Resources/apfs.util", ["-B"]);
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// Needed for sudo to pass NIX_IGNORE_SYMLINK_STORE
yield exec.exec("sudo", ["sh", "-c", "echo 'Defaults env_keep += NIX_IGNORE_SYMLINK_STORE' >> /etc/sudoers"]);
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core.exportVariable('NIX_IGNORE_SYMLINK_STORE', "1");
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// Needed for nix-daemon installation
yield exec.exec("sudo", ["launchctl", "setenv", "NIX_IGNORE_SYMLINK_STORE", "1"]);
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}
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// Needed due to multi-user being too defensive
core.exportVariable('ALLOW_PREEXISTING_INSTALLATION', "1");
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// TODO: retry due to all the things that go wrong
const nixInstall = yield tc.downloadTool('https://nixos.org/nix/install');
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yield exec.exec("sh", [nixInstall, "--daemon"]);
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// write nix.conf again as installation overwrites it, reload the daemon to pick up changes
yield nixConf();
yield exec.exec("sudo", ["pkill", "-HUP", "nix-daemon"]);
// setup env
core.exportVariable('PATH', `${PATH}:/nix/var/nix/profiles/default/bin:/nix/var/nix/profiles/per-user/runner/profile/bin`);
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core.exportVariable('NIX_PATH', `/nix/var/nix/profiles/per-user/root/channels`);
if (os_1.type() == "Darwin") {
// macOS needs certificates hints
core.exportVariable('NIX_SSL_CERT_FILE', '/nix/var/nix/profiles/default/etc/ssl/certs/ca-bundle.crt');
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// TODO: nc doesn't work correctly on macOS :(
//await exec.exec("sh", ["-c", "while ! nc -zU /nix/var/nix/daemon-socket/socket; do sleep 0.5; done"]);
// macOS needs time to reload the daemon :(
yield exec.exec("sleep", ["10"]);
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}
}
catch (error) {
core.setFailed(`Action failed with error: ${error}`);
throw (error);
}
});
}
run();