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Redirect powershell completion

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Signed-off-by: John Howard <jhoward@microsoft.com>
This commit is contained in:
John Howard 2016-10-25 09:48:53 -07:00
parent 11cd64f0dc
commit 65fdbf0210
2 changed files with 1 additions and 179 deletions
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179
contrib/completion/powershell/posh-docker.psm1
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# Powershell completion for docker
### Prerequisite
# Docker.exe needs to be in your PATH.
# If the command is not found, you will need to add a docker alias or add the docker installation folder (e.g. `%ProgramFiles%\Docker Toolbox`) to your PATH environment variable.
### Installation (Latest stable)
# Windows 10 / Windows Server 2016:
# 1. Open a powershell prompt
# 2. Run `Install-Module -Scope CurrentUser posh-docker`
#
# Earlier Windows versions:
# 1. Install [PackageManagement PowerShell Modules Preview](https://www.microsoft.com/en-us/download/details.aspx?id=49186)
# 2. Open a powershell prompt
# 3. Run `Install-Module -Scope CurrentUser posh-docker`
### Installation (From source)
# Copy this file to the %userprofile%\Documents\WindowsPowerShell\Modules\posh-docker directory (create directories as needed)
### Usage
# After installation, execute the following line to enable autocompletion for the current powershell session:
#
# Import-Module posh-docker
#
# To make it persistent, add the above line to your profile. For example, run `notepad $PROFILE` and insert the line above.
$global:DockerCompletion = @{}
$script:flagRegex = "^ (-[^, =]+),? ?(--[^= ]+)?"
function script:Get-Containers($filter)
{
if ($filter -eq $null)
{
docker ps -a --no-trunc --format "{{.Names}}"
} else {
docker ps -a --no-trunc --format "{{.Names}}" --filter $filter
}
}
function script:Get-AutoCompleteResult
{
param([Parameter(ValueFromPipeline=$true)] $value)
Process
{
New-Object System.Management.Automation.CompletionResult $value
}
}
filter script:MatchingCommand($commandName)
{
if ($_.StartsWith($commandName))
{
$_
}
}
$completion_Docker = {
param($commandName, $commandAst, $cursorPosition)
$command = $null
$commandParameters = @{}
$state = "Unknown"
$wordToComplete = $commandAst.CommandElements | Where-Object { $_.ToString() -eq $commandName } | Foreach-Object { $commandAst.CommandElements.IndexOf($_) }
for ($i=1; $i -lt $commandAst.CommandElements.Count; $i++)
{
$p = $commandAst.CommandElements[$i].ToString()
if ($p.StartsWith("-"))
{
if ($state -eq "Unknown" -or $state -eq "Options")
{
$commandParameters[$i] = "Option"
$state = "Options"
}
else
{
$commandParameters[$i] = "CommandOption"
$state = "CommandOptions"
}
}
else
{
if ($state -ne "CommandOptions")
{
$commandParameters[$i] = "Command"
$command = $p
$state = "CommandOptions"
}
else
{
$commandParameters[$i] = "CommandOther"
}
}
}
if ($global:DockerCompletion.Count -eq 0)
{
$global:DockerCompletion["commands"] = @{}
$global:DockerCompletion["options"] = @()
docker --help | ForEach-Object {
Write-Output $_
if ($_ -match "^ (\w+)\s+(.+)")
{
$global:DockerCompletion["commands"][$Matches[1]] = @{}
$currentCommand = $global:DockerCompletion["commands"][$Matches[1]]
$currentCommand["options"] = @()
}
elseif ($_ -match $flagRegex)
{
$global:DockerCompletion["options"] += $Matches[1]
if ($Matches[2] -ne $null)
{
$global:DockerCompletion["options"] += $Matches[2]
}
}
}
}
if ($wordToComplete -eq $null)
{
$commandToComplete = "Command"
if ($commandParameters.Count -gt 0)
{
if ($commandParameters[$commandParameters.Count] -eq "Command")
{
$commandToComplete = "CommandOther"
}
}
} else {
$commandToComplete = $commandParameters[$wordToComplete]
}
switch ($commandToComplete)
{
"Command" { $global:DockerCompletion["commands"].Keys | MatchingCommand -Command $commandName | Sort-Object | Get-AutoCompleteResult }
"Option" { $global:DockerCompletion["options"] | MatchingCommand -Command $commandName | Sort-Object | Get-AutoCompleteResult }
"CommandOption" {
$options = $global:DockerCompletion["commands"][$command]["options"]
if ($options.Count -eq 0)
{
docker $command --help | % {
if ($_ -match $flagRegex)
{
$options += $Matches[1]
if ($Matches[2] -ne $null)
{
$options += $Matches[2]
}
}
}
}
$global:DockerCompletion["commands"][$command]["options"] = $options
$options | MatchingCommand -Command $commandName | Sort-Object | Get-AutoCompleteResult
}
"CommandOther" {
$filter = $null
switch ($command)
{
"start" { $filter = "status=exited" }
"stop" { $filter = "status=running" }
}
Get-Containers $filter | MatchingCommand -Command $commandName | Sort-Object | Get-AutoCompleteResult
}
default { $global:DockerCompletion["commands"].Keys | MatchingCommand -Command $commandName }
}
}
# Register the TabExpension2 function
if (-not $global:options) { $global:options = @{CustomArgumentCompleters = @{};NativeArgumentCompleters = @{}}}
$global:options['NativeArgumentCompleters']['docker'] = $Completion_Docker
$function:tabexpansion2 = $function:tabexpansion2 -replace 'End\r\n{','End { if ($null -ne $options) { $options += $global:options} else {$options = $global:options}'

1
contrib/completion/powershell/readme.txt Normal file
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See https://github.com/samneirinck/posh-docker