hedgedoc/lib/config/utils.js

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'use strict'
const fs = require('fs')
const path = require('path')
exports.toBooleanConfig = function toBooleanConfig (configValue) {
if (configValue && typeof configValue === 'string') {
return (configValue === 'true')
}
return configValue
}
exports.toArrayConfig = function toArrayConfig (configValue, separator = ',', fallback) {
if (configValue && typeof configValue === 'string') {
return (configValue.split(separator).map(arrayItem => arrayItem.trim()))
}
return fallback
}
exports.toIntegerConfig = function toIntegerConfig (configValue) {
if (configValue && typeof configValue === 'string') {
return parseInt(configValue)
}
return configValue
}
exports.getGitCommit = function getGitCommit (repodir) {
try {
// prefer using git to get the current ref, as poking in .git is very fragile
return require('child_process').execSync('git rev-parse HEAD', {
stdio: ['pipe', 'pipe', 'ignore'],
encoding: 'utf-8'
}).replace('\n', '')
} catch (e) {
// there was an error running git, try to parse refs ourselves
if (!fs.existsSync(repodir + '/.git/HEAD')) {
// there is no HEAD information
return undefined
}
let reference = fs.readFileSync(repodir + '/.git/HEAD', 'utf8')
if (reference.startsWith('ref: ')) {
// HEAD references another ref, try to get the commit SHA from .git/ref/heads
reference = reference.substr(5).replace('\n', '')
const refPath = path.resolve(repodir + '/.git', reference)
if (!fs.existsSync(refPath)) {
// ref does not exist in .git/ref/heads
return undefined
}
reference = fs.readFileSync(refPath, 'utf8')
}
reference = reference.replace('\n', '')
return reference
}
}
exports.getGitHubURL = function getGitHubURL (repo, reference) {
// if it's not a github reference, we handle handle that anyway
if (!repo.startsWith('https://github.com') && !repo.startsWith('git@github.com')) {
return repo
}
if (repo.startsWith('git@github.com') || repo.startsWith('ssh://git@github.com')) {
repo = repo.replace(/^(ssh:\/\/)?git@github.com:/, 'https://github.com/')
}
if (repo.endsWith('.git')) {
repo = repo.replace(/\.git$/, '/')
} else if (!repo.endsWith('/')) {
repo = repo + '/'
}
return repo + 'tree/' + reference
}