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WIP: save cache on post

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Instead of trying to do everything in the action, push the cache at the
end. This allows to run other actions in between.
This commit is contained in:
zimbatm 2020-04-10 12:07:48 +02:00
commit b8b745f3a7
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GPG key ID: 71BAF6D40C1D63D7
7 changed files with 73 additions and 140 deletions
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79
src/main.ts
View file

@ -1,21 +1,18 @@
import * as core from '@actions/core';
import * as coreCommand from '@actions/core/lib/command'
import * as exec from '@actions/exec';
import { prependEach, nonEmptySplit } from './strings';
import { exit } from 'process';
export const IsPost = !!process.env['STATE_isPost']
async function run() {
// inputs
const name = core.getInput('name', { required: true });
const signingKey = core.getInput('signingKey');
const authToken = core.getInput('authToken')
const skipPush = core.getInput('skipPush');
const cachixExecutable = '/nix/var/nix/profiles/per-user/runner/profile/bin/cachix';
async function setup() {
try {
// inputs
const name = core.getInput('name', { required: true });
const file = core.getInput('file');
const skipNixBuild = core.getInput('skipNixBuild');
const attributes = core.getInput('attributes');
const nixBuildArgs = core.getInput('nixBuildArgs');
const signingKey = core.getInput('signingKey');
const authToken = core.getInput('authToken')
const cachixExecutable = "/nix/var/nix/profiles/per-user/runner/profile/bin/cachix";
core.startGroup('Cachix: installing')
await exec.exec('nix-env', ['--quiet', '-iA', 'cachix', '-f', 'https://cachix.org/api/v1/install']);
core.endGroup()
@ -31,36 +28,8 @@ async function run() {
if (signingKey !== "") {
core.exportVariable('CACHIX_SIGNING_KEY', signingKey);
}
if (skipNixBuild !== 'true') {
const args = prependEach('-A', nonEmptySplit(attributes, /\s+/)).concat([file || "default.nix"]);
const additionalArgs = nonEmptySplit(nixBuildArgs, /\s+/);
const allArgs = additionalArgs.concat(args);
core.startGroup(`nix-build ${allArgs.join(' ')}`);
if (signingKey !== "") {
// Remember existing store paths
await exec.exec("sh", ["-c", `nix path-info --all | grep -v '\.drv$' > store-path-pre-build`]);
}
let paths = '';
const options = {
listeners: {
stdout: (data: Buffer) => {
paths += data.toString();
},
}
};
await exec.exec('nix-build', allArgs, options);
core.endGroup()
if (signingKey !== "") {
core.startGroup('Cachix: pushing paths');
await exec.exec("sh", ["-c", `nix path-info --all | grep -v '\.drv$' | cat - store-path-pre-build | sort | uniq -u | ${cachixExecutable} push ${name}`]);
core.endGroup();
}
// Remember existing store paths
await exec.exec("sh", ["-c", `nix path-info --all | grep -v '\.drv$' > /tmp/store-path-pre-build`]);
}
} catch (error) {
core.setFailed(`Action failed with error: ${error}`);
@ -68,4 +37,26 @@ async function run() {
}
}
run();
async function upload() {
try {
if (signingKey !== "" && skipPush !== 'true') {
core.startGroup('Cachix: pushing paths');
await exec.exec("sh", ["-c", `nix path-info --all | grep -v '\.drv$' | cat - /tmp/store-path-pre-build | sort | uniq -u | ${cachixExecutable} push ${name}`]);
core.endGroup();
}
} catch (error) {
core.setFailed(`Action failed with error: ${error}`);
throw (error);
}
}
// Main
if (!IsPost) {
// Publish a variable so that when the POST action runs, it can determine it should run the cleanup logic.
// This is necessary since we don't have a separate entry point.
coreCommand.issueCommand('save-state', {name: 'isPost'}, 'true')
setup()
} else {
// Post
upload()
}

8
src/strings.ts
View file

@ -1,8 +0,0 @@
export function prependEach (elem: string, array: string[]): string[] {
const init: string[] = [];
return array.reduce((r, a) => r.concat(elem, a), init)
};
export function nonEmptySplit (str: string, separator): string[] {
return str.split(separator).filter(word => word != "")
}