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Atom Build package

Release notes

Plugin installs Package version

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Automatically build your project inside your new favorite editor, Atom.

  • Cmd Alt B / Ctrl Alt B / F9 builds your project.
  • Cmd Alt G / Ctrl Alt G / F4 cycles through causes of build error. See Error Matching.
  • Cmd Alt G / Ctrl Alt H / Shift F4 goes to the first build error. See Error Matching.
  • Cmd Alt V / Ctrl Alt V / F8 Toggles the build panel.
  • Cmd Alt T / Ctrl Alt T / F7 Displays the available build targets.
  • Esc terminates build / closes the build window.

Builds your project - configure it your way

work work

Automatically extract targets - here with build-make.

targets

Match errors and go directly to offending code - with Atom Linter.

error matching

(You can also use keyboard shortcuts to go to errors if you don't like Atom Linter, or want to keep package dependencies to a minimum).

Build providers

Full list of build providers

Specify a custom build command

If no build tool is enough to suit your needs, you can create a custom build command. Supported formats and the name of the configuration file is

  • JSON: .atom-build.json
  • CSON: .atom-build.cson
  • YAML: .atom-build.yml
  • JS: .atom-build.js

Pick your favorite format, save that file in your project root, and specify exactly how your project is built (example in json)

{
  "cmd": "<command to execute>",
  "name": "<name of target>",
  "args": [ "<argument1>", "<argument2>", ... ],
  "sh": true,
  "cwd": "<current working directory for `cmd`>",
  "env": {
    "VARIABLE1": "VALUE1",
    "VARIABLE2": "VALUE2",
    ...
  },
  "errorMatch": [
    "^regexp1$",
    "^regexp2$"
  ],
  "keymap": "<keymap string>",
  "atomCommandName": "namespace:command",
  "targets": {
    "<name of target>": {
      "cmd": "<command to execute>",
      ... (all previous options are viable here except `targets`)
    }
  }
}

Note that if sh is false cmd must only be the executable - no arguments here. If the executable is not in your path, either fully qualify it or specify the path in you environment (e.g. by setting the PATH var appropriately on UNIX-like systems).

If sh is true, it will use a shell (e.g. /bin/sh -c) on unix/linux, and command (cmd /S /C) on windows.

Using a JavaScript (JS) file gives you the additional benefit of being able to specify preBuild and postBuild and being able to run arbitrary match functions instead of regex-matching. The javascript function needs to return an array of matches. The fields of the matches must be the same as those that the regex can set.

Keep in mind that the JavaScript file must export the configuration

module.exports = {
  cmd: "myCommand",
  preBuild: function () {
    console.log('This is run **before** the build command');
  },
  postBuild: function () {
    console.log('This is run **after** the build command');
  },
  errorMatch: [
    // normal regexes and functions may be mixed in this array
    'this is a regex',
    function (terminal_output) {
      // this is the array of matches that we create
      var matches = [];
      terminal_output.split(/\n/).forEach(function (line, line_number, terminal_output) {
        // all lines starting with a slash
        if line[0] == '/' {
          this.push({
            file: 'x.txt',
            line: line_number.toString(),
            message: line
          });
        }
      }.bind(matches));
      return matches;
    }
  ]
};

Configuration options

Option Required Description
cmd [required] The executable command
name [optional] The name of the target. Viewed in the targets list (toggled by build:select-active-target).
args [optional] An array of arguments for the command
sh [optional] If true, the combined command and arguments will be passed to /bin/sh. Default true.
cwd [optional] The working directory for the command. E.g. what . resolves to.
env [optional] An object of environment variables and their values to set
errorMatch [optional] A (list of) regular expressions to match output to a file, row and col. See Error matching for details. (JS only: pass a function instead of regex to execute your own matching code)
keymap [optional] A keymap string as defined by Atom. Pressing this key combination will trigger the target. Examples: ctrl-alt-k or cmd-U.
atomCommandName [optional] Command name to register which should be on the form of namespace:command. Read more about Atom CommandRegistry. The command will be available in the command palette and can be trigger from there. If this is returned by a build provider, the command can programatically be triggered by dispatching.
targets [optional] Additional targets which can be used to build variations of your project.
preBuild [optional] JS only. A function which will be called before executing cmd. No arguments. this will be the build configuration.
postBuild [optional] JS only. A function which will be called after executing cmd. A single argument bool buildOutcome indicating outcome of the running cmd. this will be the build configuration.

Replacements

The following parameters will be replaced in cmd, any entry in args, cwd and values of env. They should all be enclosed in curly brackets {}

  • {FILE_ACTIVE} - Full path to the currently active file in Atom. E.g. /home/noseglid/github/atom-build/lib/build.js
  • {FILE_ACTIVE_PATH} - Full path to the folder where the currently active file is. E.g. /home/noseglid/github/atom-build/lib
  • {FILE_ACTIVE_NAME} - Full name and extension of active file. E.g., build.js
  • {FILE_ACTIVE_NAME_BASE} - Name of active file WITHOUT extension. E.g., build
  • {PROJECT_PATH} - Full path to the root of the project. This is normally the path Atom has as root. E.g /home/noseglid/github/atom-build
  • {REPO_BRANCH_SHORT} - Short name of the current active branch (if project is backed by git). E.g master or v0.9.1
  • {SELECTION} - Selected text.

Creating a build provider

Creating a build provider require very little code in the easiest case, and can be as complicated as necessary to achieve the correct functionality. Read more about building your own provider in the create provider documentation.

Error matching

Error matching lets you specify a single regular expression or a list of regular expressions, which capture the output of your build command and open the correct file, row and column of the error. For instance:

../foo/bar/a.c:4:26: error: expected ';' after expression
  printf("hello world\n")
                         ^
                         ;
1 error generated.

Would be matched with the regular expression: (?<file>[\\/0-9a-zA-Z\\._]+):(?<line>\\d+):(?<col>\\d+):\\s+(?<message>.+). After the build has failed, pressing Cmd Alt G (OS X) or Ctrl Alt G (Linux/Windows) (or F4 on either platform), a.c would be opened and the cursor would be placed at row 4, column 26.

Note the syntax for match groups. This is from the XRegExp package and has the syntax for named groups: (?<name> RE ) where name would be the name of the group matched by the regular expression RE.

The following named groups can be matched from the output:

  • file - [required] the file to open. May be relative cwd or absolute. (?<file> RE).
  • line - [optional] the line the error starts on. (?<line> RE).
  • col - [optional] the column the error starts on. (?<col> RE).
  • line_end - [optional] the line the error ends on. (?<line_end> RE).
  • col_end - [optional] the column the error ends on. (?<col_end> RE).
  • message - [optional] Catch the humanized error message. (?<message> RE).

Backslashes must be escaped, thus the double \\ everywhere.

The file should be relative the cwd specified. If no cwd has been specified, then the file should be relative the project root (e.g. the top most directory shown in the Atom Editor).

If your build outputs multiple errors, all will be matched. Press Cmd Alt G (OS X) or Ctrl Alt G (Linux/Windows) to cycle through the errors (in the order they appear, first on stderr then on stdout), or you can use the Atom Linter integration discussed in the next section.

Often, the first error is the most interesting since other errors tend to be secondary faults caused by that first one. To jump to the first error you can use Cmd Alt H (OS X) or Shift F4 (Linux/Windows) at any point to go to the first error.

Error matching and Atom Linter

Install Atom Linter and all your matched errors will listed in a neat panel.

Linter integration

Analytics

The atom-build package uses google analytics to keep track of which features are in use and at what frequency. This gives the maintainers a sense of what parts of the package is most important and what parts can be removed.

The data is fully anonymous and can not be tracked back to you in any way. This is what is collected

  • Version of package used.
  • Build triggered, succeeded or failed.
  • Which build tool was used.
  • Visibility of UI components.

If you really do not want to share this information, you can opt out by disabling the metrics package. This will disable all analytics collection, including the one from atom-build.