export function setupAutoCompleteForShell()

in src/util/commandline/autocomplete.ts [35:79]

• 36 lines of code
• 13 McCabe index (conditional complexity)

export function setupAutoCompleteForShell(path?: string, shell?: string): any {
  const autoCompleteObject = getAutoCompleteObject();
  let initFile = path;

  if (shell) {
    autoCompleteObject.shell = shell;
  } else {
    autoCompleteObject.shell = autoCompleteObject.getActiveShell();
  }

  if (!initFile) {
    initFile = autoCompleteObject.getDefaultShellInitFile();
  }

  let initFileContent;

  try {
    initFileContent = Fs.readFileSync(initFile, { encoding: "utf-8" });
  } catch (exception) {
    throw `Can't read init file (${initFile}): ${exception}`;
  }

  try {
    // For bash we need to enable bash_completion before appcenter cli completion
    if (autoCompleteObject.shell === "bash" && initFileContent.indexOf("begin bash_completion configuration") === -1) {
      const sources = `[ -f /usr/local/etc/bash_completion ] && . /usr/local/etc/bash_completion
[ -f /usr/share/bash-completion/bash_completion ] && . /usr/share/bash-completion/bash_completion
[ -f /etc/bash_completion ] && . /etc/bash_completion`;

      const template = `
# begin bash_completion configuration for ${appName} completion
${sources}
# end bash_completion configuration for ${appName} completion
`;

      Fs.appendFileSync(initFile, template);
    }

    if (initFileContent.indexOf(`begin ${appName} completion`) === -1) {
      autoCompleteObject.setupShellInitFile(initFile);
    }
  } catch (exception) {
    throw `Can't setup autocomplete. Please make sure that init file (${initFile}) exist and you have write permissions: ${exception}`;
  }
}