DockerCompletion for PowerShell

• Many completions (probably much more than you imagine 😃)
• Automatic detection of aliases like d and others
• Wild card (*) support
• Customizable
• Contributions welcome!

Requirements

• PowerShell >= 5.0
• docker cli >= 1.13 in $env:PATH

Optional

• Compose v2

  It is used for docker compose completion. The supported version will be bumped up frequently. For information about it, see the comment of Compose/completers.ps1.

Installation

# Install from PowerShell Gallery
Install-Module DockerCompletion -Scope CurrentUser
# Import
Import-Module DockerCompletion

Don't forget to execute the Import-Module command every time you start a new PowerShell session. You can do it automatically by using PowerShell profile.

Other methods

Git

# Shallow clone from GitHub
git clone --depth 1 https://github.com/matt9ucci/DockerCompletion
# Import
Import-Module ./DockerCompletion/DockerCompletion

As a "well-formed" module

DockerCompletion is a "well-formed" module. You can install and import it in the usual manner as follows.

Install

Download and place the DockerCompletion directory and files in $env:PSModulePath.

You can see the paths listed in $env:PSModulePath as follows:

PS C:\> $env:PSModulePath -split ';'
C:\Users\matt9ucci\Documents\WindowsPowerShell\Modules
C:\Program Files\WindowsPowerShell\Modules
C:\WINDOWS\system32\WindowsPowerShell\v1.0\Modules

If your target path is C:\Users\matt9ucci\Documents\WindowsPowerShell\Modules, execute the following commands:

# Uninstall previous version
Remove-Item $HOME\Documents\WindowsPowerShell\Modules\DockerCompletion\ -Recurse -Force
# Download
Invoke-WebRequest https://github.com/matt9ucci/DockerCompletion/archive/master.zip -OutFile master.zip
# Unzip the downloaded archive
Expand-Archive master.zip
# Place the unzipped files and directory in $env:PSModulePath
Move-Item master\DockerCompletion-master\DockerCompletion\ "$HOME\Documents\WindowsPowerShell\Modules\"
# Clean up
Remove-Item master.zip
Remove-Item master -Recurse -Force

$HOME is a PowerShell's automatic variable containing the full path of the user's home directory (in this case C:\Users\matt9ucci).

Import

Execute the following command to check if you can import DockerCompletion:

PS C:\> Get-Module -ListAvailable DockerCompletion

    Directory: C:\Users\matt9ucci\Documents\WindowsPowerShell\Modules

ModuleType Version    Name                                ExportedCommands
---------- -------    ----                                ----------------
Manifest   1.2010.... DockerCompletion

After the check, execute the following command to import the installed module:

Import-Module DockerCompletion

Customization

You can add your own completers and modify default completers with your custom script.

For information about how to write custom scripts, see completers.ps1 and completers4arguments.ps1

To apply your custom script, pass the path as Import-Module's ArgumentList parameter:

Import-Module DockerCompletion -ArgumentList pathto\custom1.ps1, pathto\custom2.ps1

Known Issues

In PowerShell 5.0/5.1, with one dash (-) and double dash (--), completers are not invoked because of a PowerShell's bug. It will be fixed in PowerShell 6.0.

A workaround for this issue is to type a character following - and --. For example, type --a and press tab.

FAQ

How can I execute Import-Module automatically?

Use PowerShell profile. For example, run the following commands:

# Create your profile
New-Item $PROFILE -ItemType File -Force
# Add the import command to the profile
Add-Content $PROFILE 'Import-Module DockerCompletion'

Whenever you start a new PowerShell session, the commands in the $PROFILE are executed each time.

I use alias d for docker. Does the completion work for the alias?

Yes, it does. DockerCompletion detects aliases for docker when executing Import-Module. For example:

# Set the alias `d` for `docker`
Set-Alias d docker
# Detect the alias `d` and register completers for both `docker` and `d`
Import-Module DockerCompletion

Misc

This github repository will be often rebased.

Links

• PowerShell Gallery | DockerCompletion
• docker/cli