install-nix-action/src/main.ts

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2019-09-30 05:52:02 +10:00
import * as core from '@actions/core';
import * as exec from '@actions/exec';
import * as tc from '@actions/tool-cache';
import {homedir, userInfo} from 'os';
import {existsSync} from 'fs';
async function run() {
try {
const home = homedir();
const {username} = userInfo();
const PATH = process.env.PATH;
const CERTS_PATH = home + '/.nix-profile/etc/ssl/certs/ca-bundle.crt';
// TODO: retry due to all the things that go wrong
const nixInstall = await tc.downloadTool('https://nixos.org/nix/install');
await exec.exec("sh", [nixInstall]);
core.exportVariable('PATH', `${PATH}:${home}/.nix-profile/bin`)
core.exportVariable('NIX_PATH', `/nix/var/nix/profiles/per-user/${username}/channels`)
// macOS needs certificates hints
if (existsSync(CERTS_PATH)) {
core.exportVariable('NIX_SSL_CERT_FILE', CERTS_PATH);
}
} catch (error) {
core.setFailed(`Action failed with error: ${error}`);
throw(error);
}
}
run();