59 lines
1.7 KiB
JavaScript
59 lines
1.7 KiB
JavaScript
const read = require('fs').readFileSync;
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const exec = require('child_process').execSync;
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// See tests ../node-tests/config/utils.js
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const repositoryYear = function(date = exec('git show -s --format=%ci HEAD')) {
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return date
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.toString()
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.trim()
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.split('-')
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.shift();
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};
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const repositorySHA = function(sha = exec('git rev-parse --short HEAD')) {
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return sha.toString().trim();
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};
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const binaryVersion = function(repositoryRoot) {
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return function(versionFileContents = read(`${repositoryRoot}/version/version.go`)) {
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// see /scripts/dist.sh:8
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return versionFileContents
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.toString()
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.split('\n')
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.find(function(item, i, arr) {
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return item.indexOf('Version =') !== -1;
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})
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.trim()
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.split('"')[1];
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};
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};
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const env = function($) {
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return function(flag, fallback) {
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// a fallback value MUST be set
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if (typeof fallback === 'undefined') {
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throw new Error(`Please provide a fallback value for $${flag}`);
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}
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// return the env var if set
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if (typeof $[flag] !== 'undefined') {
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if (typeof fallback === 'boolean') {
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// if we are expecting a boolean JSON parse strings to numbers/booleans
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return !!JSON.parse($[flag]);
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}
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return $[flag];
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}
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// If the fallback is a function call it and return the result.
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// Lazily calling the function means binaries used for fallback don't need
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// to be available if we are sure the environment variables will be set
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if (typeof fallback === 'function') {
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return fallback();
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}
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// just return the fallback value
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return fallback;
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};
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};
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module.exports = {
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repositoryYear: repositoryYear,
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repositorySHA: repositorySHA,
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binaryVersion: binaryVersion,
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env: env,
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};
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