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Install Nix via the action

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Domen Kožar 2019-09-30 17:58:28 +02:00
commit 4db446a512
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7 changed files with 131 additions and 46 deletions
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49
src/main.ts
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@ -1,26 +1,47 @@
import * as core from '@actions/core';
import * as exec from '@actions/exec';
import * as tc from '@actions/tool-cache';
import {homedir} from 'os';
import {existsSync} from 'fs';
import {extrasperse} from './utils';
async function run() {
try {
// inputs
const file = core.getInput('file');
const attributes = core.getInput('attributes');
const cachixPush = core.getInput('cachixPush', { required: true });
const signingKey = core.getInput('signingKey', { required: true });
// required for macos
core.exportVariable('NIX_SSL_CERT_FILE', '/nix/var/nix/profiles/default/etc/ssl/certs/ca-bundle.crt');
// rest of the constants
const home = homedir();
const PATH = process.env.PATH;
const CERTS_PATH = home + '/.nix-profile/etc/ssl/certs/ca-bundle.crt';
console.log(`Installing Cachix ...`);
await exec.exec(homedir() + '/.nix-profile/bin/nix-env', ['-iA', 'cachix', '-f', 'https://cachix.org/api/v1/install']);
core.startGroup('Installing Nix')
// 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.endGroup()
// macOS needs certificates hints
if (existsSync(CERTS_PATH)) {
core.exportVariable('NIX_SSL_CERT_FILE', CERTS_PATH);
}
core.startGroup('Installing Cachix')
await exec.exec('nix-env', ['-iA', 'cachix', '-f', 'https://cachix.org/api/v1/install']);
core.endGroup()
core.startGroup(`Using Cachix ` + cachixPush);
await exec.exec('cachix', ['use', cachixPush]);
core.endGroup()
core.exportVariable('CACHIX_SIGNING_KEY', signingKey)
// TODO: cachix use --watch-store
console.log(`Setting up cache ` + cachixPush + `...`);
await exec.exec(homedir() + '/.nix-profile/bin/cachix', ['use', cachixPush]);
console.log(`Invoking nix-build...`);
core.startGroup(`Invoking nix-build`);
let paths = '';
const options = {
listeners: {
@ -29,13 +50,15 @@ async function run() {
},
}
};
const args = ['-f', file || "default.nix"].concat(extrasperse('-A', attributes.split(/\s/)));
await exec.exec(homedir() + '/.nix-profile/bin/nix-build', args, options);
const args = extrasperse('-A', attributes.split(/\s/)).concat([file || "default.nix"]);
await exec.exec('nix-build', args, options);
core.endGroup()
console.log(`Pushing to cache ` + cachixPush + `...`);
await exec.exec(homedir() + '/.nix-profile/bin/cachix', ['push', cachixPush].concat(paths.split(/\s/).join(' ')));
core.startGroup(`Pushing to Cachix ` + cachixPush);
await exec.exec('cachix', ['push', cachixPush].concat(paths.split(/\s/).join(' ')));
core.endGroup()
} catch (error) {
core.setFailed(`Action faield with error: ${error}`);
core.setFailed(`Action failed with error: ${error}`);
throw(error);
}
}