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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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14
README.md
View file

@ -51,19 +51,7 @@ jobs:
signingKey: '${{ secrets.CACHIX_SIGNING_KEY }}'
# Only needed for private caches
authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
```
Alternatively, you can use this action to only configure cachix for substitution:
```yaml
...
- uses: cachix/cachix-action@v5
with:
name: mycache
skipNixBuild: true
# Only needed for private caches
authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
...
- run: nix-build
```
See [action.yml](action.yml) for all options.

13
__tests__/main.test.ts
View file

@ -1,13 +0,0 @@
import {prependEach, nonEmptySplit} from '../src/strings'
test('prependEach', async() => {
expect(prependEach('-A', ["foo", "bar"])).toEqual(["-A", "foo", "-A", "bar"]);
expect(prependEach('-A', [])).toEqual([]);
});
test('nonEmptySplit', async() => {
expect(nonEmptySplit("", /\s+/)).toEqual([]);
expect(nonEmptySplit("foo bar", /\s+/)).toEqual(["foo", "bar"]);
})
// TODO: hopefully github actions will support integration tests

11
action.yml
View file

@ -9,17 +9,12 @@ inputs:
description: 'Authentication token for Cachix, needed only for private cache access'
signingKey:
description: 'Signing key secret retrieved after creating binary cache on https://cachix.org'
skipNixBuild:
description: 'Set to true to not invoke nix-build after setup.'
file:
description: 'Nix file to build. Defaults to default.nix'
attributes:
description: 'Nix attributes to nix-build. By default, all attributes are built.'
nixBuildArgs:
description: 'Additional arguments for nix-build.'
skipPush:
description: 'Set to true to disable pushing build results to the cache'
branding:
color: 'blue'
icon: 'database'
runs:
using: 'node12'
main: 'dist/main/index.js'
post: 'dist/main/index.js'

92
dist/main/index.js vendored
View file

@ -971,20 +971,18 @@ var __importStar = (this && this.__importStar) || function (mod) {
};
Object.defineProperty(exports, "__esModule", { value: true });
const core = __importStar(__webpack_require__(470));
const coreCommand = __importStar(__webpack_require__(431));
const exec = __importStar(__webpack_require__(986));
const strings_1 = __webpack_require__(443);
function run() {
exports.IsPost = !!process.env['STATE_isPost'];
// 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';
function setup() {
return __awaiter(this, void 0, void 0, function* () {
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');
yield exec.exec('nix-env', ['--quiet', '-iA', 'cachix', '-f', 'https://cachix.org/api/v1/install']);
core.endGroup();
@ -997,31 +995,8 @@ function run() {
core.endGroup();
if (signingKey !== "") {
core.exportVariable('CACHIX_SIGNING_KEY', signingKey);
}
if (skipNixBuild !== 'true') {
const args = strings_1.prependEach('-A', strings_1.nonEmptySplit(attributes, /\s+/)).concat([file || "default.nix"]);
const additionalArgs = strings_1.nonEmptySplit(nixBuildArgs, /\s+/);
const allArgs = additionalArgs.concat(args);
core.startGroup(`nix-build ${allArgs.join(' ')}`);
if (signingKey !== "") {
// Remember existing store paths
yield exec.exec("sh", ["-c", `nix path-info --all | grep -v '\.drv$' > store-path-pre-build`]);
}
let paths = '';
const options = {
listeners: {
stdout: (data) => {
paths += data.toString();
},
}
};
yield exec.exec('nix-build', allArgs, options);
core.endGroup();
if (signingKey !== "") {
core.startGroup('Cachix: pushing paths');
yield exec.exec("sh", ["-c", `nix path-info --all | grep -v '\.drv$' | cat - store-path-pre-build | sort | uniq -u | ${cachixExecutable} push ${name}`]);
core.endGroup();
}
yield exec.exec("sh", ["-c", `nix path-info --all | grep -v '\.drv$' > /tmp/store-path-pre-build`]);
}
}
catch (error) {
@ -1030,7 +1005,32 @@ function run() {
}
});
}
run();
function upload() {
return __awaiter(this, void 0, void 0, function* () {
try {
if (signingKey !== "" && skipPush !== 'true') {
core.startGroup('Cachix: pushing paths');
yield 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 (!exports.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();
}
/***/ }),
@ -1125,26 +1125,6 @@ function escapeProperty(s) {
}
//# sourceMappingURL=command.js.map
/***/ }),
/***/ 443:
/***/ (function(__unusedmodule, exports) {
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
function prependEach(elem, array) {
const init = [];
return array.reduce((r, a) => r.concat(elem, a), init);
}
exports.prependEach = prependEach;
;
function nonEmptySplit(str, separator) {
return str.split(separator).filter(word => word != "");
}
exports.nonEmptySplit = nonEmptySplit;
/***/ }),
/***/ 470:

2
package.json
View file

@ -6,7 +6,7 @@
"main": "dist/main/index.js",
"scripts": {
"build": "tsc && ncc build -o dist/main src/main.ts",
"test": "jest"
"test": "echo NO TEST"
},
"repository": {
"type": "git",

77
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 ${name}`]);
core.endGroup();
}
await exec.exec("sh", ["-c", `nix path-info --all | grep -v '\.drv$' > /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 != "")
}