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grobi

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Automatically configure monitors/outputs for Xorg via RANDR

// repository documentation

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# grobi

This program watches for changes in the available outputs (e.g. when a monitor
is connected/disconnected) and will automatically configure the currently used
outputs via RANDR according to configurable profiles.

# Installation

Grobi requires Go version 1.11 or newer to compile. To build grobi, run the
following command:

```shell
$ go build
```

Afterwards please find a binary of grobi in the current directory:
```
$ ./grobi --help
Usage:
  grobi [OPTIONS] <command>

Application Options:
  -v, --verbose   Be verbose (false)
  -C, --config=   Read config from this file
  -n, --dry-run   Only print what commands would be executed without actually
                  runnig them
  -i, --interval= Number of seconds between polls, set to zero to disable
                  polling (5)
  -p, --pause=    Number of seconds to pause after a change was executed (2)
  -l, --logfile=  Write log to file

Help Options:
  -h, --help      Show this help message

Available commands:
  apply    apply a rule
  update   update outputs
  version  display version
  watch    watch for changes

```

# Configuration

Have a look at the sample configuration file provided at
[`doc/grobi.conf`](doc/grobi.conf). By default, `grobi` uses the [XDG directory
standard](https://standards.freedesktop.org/basedir-spec/basedir-spec-latest.html)
to search for the config file. Most users will probably put the config file to
`~/.config/grobi.conf`.

If you have any questions, please open an issue on GitHub.

There is also a [sample systemd](doc/grobi.service) unit file you can run as a
user. This requires that the `PATH` and `DISPLAY` environment variables can be
accessed, so run the following command in e.g. your `~/.xsession` file just
before starting the window manager:

```
systemctl --user import-environment DISPLAY PATH
```

Run the command once to import the environment for the current session, then
execute the following commands to install and start the unit:

```
mkdir ~/.config/systemd/user
cp doc/grobi.service ~/.config/systemd/user
systemctl --user enable grobi
systemctl --user start grobi
```

You can then use `systemctl` to check the current status:

```
systemctl --user status grobi
```

# Compatibility

Grobi follows [Semantic Versioning](http://semver.org) to clearly define which
versions are compatible. The configuration file and command-line parameters and
user-interface are considered the "Public API" in the sense of Semantic
Versioning.

# Development

## Release New Version

Rough steps for releasing a new version:
 * Update version number in `cmd_version.go`, remove the `-dev` suffix
 * Commit and tag version
 * Add `-dev` suffix to version in `cmd_version.go`

grobi

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