mecano/lib/core/touch.js

Common functions for system deployment.

// Generated by CoffeeScript 1.11.1
var fs;

module.exports = function(options) {
  options.log({
    message: "Entering touch",
    level: 'DEBUG',
    module: 'mecano/lib/touch'
  });
  if (options.argument != null) {
    options.target = options.argument;
  }
  if (!options.target) {
    throw Error("Missing target: " + options.target);
  }
  this.call(function(_, callback) {
    options.log({
      message: "Check if target exists \"" + options.target + "\"",
      level: 'DEBUG',
      module: 'mecano/lib/touch'
    });
    return fs.exists(options.ssh, options.target, function(err, exists) {
      if (!err && !exists) {
        options.log({
          message: "Destination does not exists",
          level: 'INFO',
          module: 'mecano/lib/touch'
        });
      }
      return callback(err, !exists);
    });
  });
  this.call({
    unless: function() {
      return this.status();
    },
    shy: true
  }, function(_, callback) {
    if (options.atime == null) {
      options.atime = Date.now();
    }
    if (options.mtime == null) {
      options.mtime = Date.now();
    }
    return fs.futimes(options.ssh, options.target, options.atime, options.mtime, function(err) {
      if (!err) {
        options.log({
          message: "Access and modification times updated",
          level: 'DEBUG',
          module: 'mecano/lib/touch'
        });
      }
      return callback(err);
    });
  });
  return this.file({
    content: '',
    target: options.target,
    "if": function() {
      return this.status();
    },
    mode: options.mode,
    uid: options.uid,
    gid: options.gid
  });
};

fs = require('ssh2-fs');