Move old backend code to old_src folder

Signed-off-by: David Mehren <git@herrmehren.de>

old_src/lib/config/utils.ts

@@ -0,0 +1,53 @@
+import fs from 'fs'
+import path from 'path'
+
+export function toBooleanConfig (configValue: string | boolean | undefined): boolean | undefined {
+  if (typeof configValue === 'string') {
+    return (configValue === 'true')
+  }
+  return configValue
+}
+
+export function toArrayConfig (configValue: string | undefined, separator = ',', fallback = []): string[] {
+  if (configValue) {
+    return (configValue.split(separator).map(arrayItem => arrayItem.trim()))
+  }
+  return fallback
+}
+
+export function toIntegerConfig (configValue): number {
+  if (configValue && typeof configValue === 'string') {
+    return parseInt(configValue)
+  }
+  return configValue
+}
+
+export function getGitCommit (repodir): string {
+  if (!fs.existsSync(repodir + '/.git/HEAD')) {
+    return ''
+  }
+  let reference = fs.readFileSync(repodir + '/.git/HEAD', 'utf8')
+  if (reference.startsWith('ref: ')) {
+    reference = reference.substr(5).replace('\n', '')
+    reference = fs.readFileSync(path.resolve(repodir + '/.git', reference), 'utf8')
+  }
+  reference = reference.replace('\n', '')
+  return reference
+}
+
+export function getGitHubURL (repo, reference): string {
+  // 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
+}