consul/ui/packages/consul-ui/config/utils.js

59 lines
1.7 KiB
JavaScript

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