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Merge pull request #9307 from Luap99/powershell-completion
Add powershell completions
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,227 @@ | ||
| # powershell completion for podman-remote -*- shell-script -*- | ||
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| function __podman-remote_debug { | ||
| if ($env:BASH_COMP_DEBUG_FILE) { | ||
| "$args" | Out-File -Append -FilePath "$env:BASH_COMP_DEBUG_FILE" | ||
| } | ||
| } | ||
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| filter __podman-remote_escapeStringWithSpecialChars { | ||
| $_ -replace '\s|#|@|\$|;|,|''|\{|\}|\(|\)|"|`|\||<|>|&','`$&' | ||
| } | ||
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| Register-ArgumentCompleter -CommandName 'podman-remote' -ScriptBlock { | ||
| param( | ||
| $WordToComplete, | ||
| $CommandAst, | ||
| $CursorPosition | ||
| ) | ||
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| # Get the current command line and convert into a string | ||
| $Command = $CommandAst.CommandElements | ||
| $Command = "$Command" | ||
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| __podman-remote_debug "" | ||
| __podman-remote_debug "========= starting completion logic ==========" | ||
| __podman-remote_debug "WordToComplete: $WordToComplete Command: $Command CursorPosition: $CursorPosition" | ||
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| # The user could have moved the cursor backwards on the command-line. | ||
| # We need to trigger completion from the $CursorPosition location, so we need | ||
| # to truncate the command-line ($Command) up to the $CursorPosition location. | ||
| # Make sure the $Command is longer then the $CursorPosition before we truncate. | ||
| # This happens because the $Command does not include the last space. | ||
| if ($Command.Length -gt $CursorPosition) { | ||
| $Command=$Command.Substring(0,$CursorPosition) | ||
| } | ||
| __podman-remote_debug "Truncated command: $Command" | ||
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| $ShellCompDirectiveError=1 | ||
| $ShellCompDirectiveNoSpace=2 | ||
| $ShellCompDirectiveNoFileComp=4 | ||
| $ShellCompDirectiveFilterFileExt=8 | ||
| $ShellCompDirectiveFilterDirs=16 | ||
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| # Prepare the command to request completions for the program. | ||
| # Split the command at the first space to separate the program and arguments. | ||
| $Program,$Arguments = $Command.Split(" ",2) | ||
| $RequestComp="$Program __complete $Arguments" | ||
| __podman-remote_debug "RequestComp: $RequestComp" | ||
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| # we cannot use $WordToComplete because it | ||
| # has the wrong values if the cursor was moved | ||
| # so use the last argument | ||
| if ($WordToComplete -ne "" ) { | ||
| $WordToComplete = $Arguments.Split(" ")[-1] | ||
| } | ||
| __podman-remote_debug "New WordToComplete: $WordToComplete" | ||
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| # Check for flag with equal sign | ||
| $IsEqualFlag = ($WordToComplete -Like "--*=*" ) | ||
| if ( $IsEqualFlag ) { | ||
| __podman-remote_debug "Completing equal sign flag" | ||
| # Remove the flag part | ||
| $Flag,$WordToComplete = $WordToComplete.Split("=",2) | ||
| } | ||
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| if ( $WordToComplete -eq "" -And ( -Not $IsEqualFlag )) { | ||
| # If the last parameter is complete (there is a space following it) | ||
| # We add an extra empty parameter so we can indicate this to the go method. | ||
| __podman-remote_debug "Adding extra empty parameter" | ||
| # We need to use `"`" to pass an empty argument a "" or '' does not work!!! | ||
| $RequestComp="$RequestComp" + ' `"`"' | ||
| } | ||
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| __podman-remote_debug "Calling $RequestComp" | ||
| #call the command store the output in $out and redirect stderr and stdout to null | ||
| # $Out is an array contains each line per element | ||
| Invoke-Expression -OutVariable out "$RequestComp" 2>&1 | Out-Null | ||
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| # get directive from last line | ||
| [int]$Directive = $Out[-1].TrimStart(':') | ||
| if ($Directive -eq "") { | ||
| # There is no directive specified | ||
| $Directive = 0 | ||
| } | ||
| __podman-remote_debug "The completion directive is: $Directive" | ||
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| # remove directive (last element) from out | ||
| $Out = $Out | Where-Object { $_ -ne $Out[-1] } | ||
| __podman-remote_debug "The completions are: $Out" | ||
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| if (($Directive -band $ShellCompDirectiveError) -ne 0 ) { | ||
| # Error code. No completion. | ||
| __podman-remote_debug "Received error from custom completion go code" | ||
| return | ||
| } | ||
| $Longest = 0 | ||
| $Values = $Out | ForEach-Object { | ||
| #Split the output in name and description | ||
| $Name, $Description = $_.Split("`t",2) | ||
| __podman-remote_debug "Name: $Name Description: $Description" | ||
| # Look for the longest completion so that we can format things nicely | ||
| if ($Longest -lt $Name.Length) { | ||
| $Longest = $Name.Length | ||
| } | ||
| # Set the description to a one space string if there is none set. | ||
| # This is needed because the CompletionResult does not accept an empty string as argument | ||
| if (-Not $Description) { | ||
| $Description = " " | ||
| } | ||
| @{Name="$Name";Description="$Description"} | ||
| } | ||
| $Space = " " | ||
| if (($Directive -band $ShellCompDirectiveNoSpace) -ne 0 ) { | ||
| # remove the space here | ||
| __podman-remote_debug "ShellCompDirectiveNoSpace is called" | ||
| $Space = "" | ||
| } | ||
| if (($Directive -band $ShellCompDirectiveNoFileComp) -ne 0 ) { | ||
| __podman-remote_debug "ShellCompDirectiveNoFileComp is called" | ||
| if ($Values.Length -eq 0) { | ||
| # Just print an empty string here so the | ||
| # shell does not start to complete paths. | ||
| # We cannot use CompletionResult here because | ||
| # it does not accept an empty string as argument. | ||
| "" | ||
| return | ||
| } | ||
| } | ||
| if ((($Directive -band $ShellCompDirectiveFilterFileExt) -ne 0 ) -or | ||
| (($Directive -band $ShellCompDirectiveFilterDirs) -ne 0 )) { | ||
| __podman-remote_debug "ShellCompDirectiveFilterFileExt ShellCompDirectiveFilterDirs are not supported" | ||
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| # return here to prevent the completion of the extensions | ||
| return | ||
| } | ||
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| $Values = $Values | Where-Object { | ||
| # filter the result | ||
| $_.Name -like "$WordToComplete*" | ||
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| # Join the flag back if we have a equal sign flag | ||
| if ( $IsEqualFlag ) { | ||
| __podman-remote_debug "Join the equal sign flag back to the completion value" | ||
| $_.Name = $Flag + "=" + $_.Name | ||
| } | ||
| } | ||
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| # Get the current mode | ||
| $Mode = (Get-PSReadLineKeyHandler | Where-Object {$_.Key -eq "Tab" }).Function | ||
| __podman-remote_debug "Mode: $Mode" | ||
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| $Values | ForEach-Object { | ||
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| # store temporay because switch will overwrite $_ | ||
| $comp = $_ | ||
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| # PowerShell supports three different completion modes | ||
| # - TabCompleteNext (default windows style - on each key press the next option is displayed) | ||
| # - Complete (works like bash) | ||
| # - MenuComplete (works like zsh) | ||
| # You set the mode with Set-PSReadLineKeyHandler -Key Tab -Function <mode> | ||
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| # CompletionResult Arguments: | ||
| # 1) CompletionText text to be used as the auto completion result | ||
| # 2) ListItemText text to be displayed in the suggestion list | ||
| # 3) ResultType type of completion result | ||
| # 4) ToolTip text for the tooltip with details about the object | ||
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| switch ($Mode) { | ||
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| # bash like | ||
| "Complete" { | ||
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| if ($Values.Length -eq 1) { | ||
| __podman-remote_debug "Only one completion left" | ||
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| # insert space after value | ||
| [System.Management.Automation.CompletionResult]::new($($comp.Name | __podman-remote_escapeStringWithSpecialChars) + $Space, "$($comp.Name)", 'ParameterValue', "$($comp.Description)") | ||
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| } else { | ||
| # Add the proper number of spaces to align the descriptions | ||
| while($comp.Name.Length -lt $Longest) { | ||
| $comp.Name = $comp.Name + " " | ||
| } | ||
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| # Check for empty description and only add parentheses if needed | ||
| if ($($comp.Description) -eq " " ) { | ||
| $Description = "" | ||
| } else { | ||
| $Description = " ($($comp.Description))" | ||
| } | ||
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| [System.Management.Automation.CompletionResult]::new("$($comp.Name)$Description", "$($comp.Name)$Description", 'ParameterValue', "$($comp.Description)") | ||
| } | ||
| } | ||
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| # zsh like | ||
| "MenuComplete" { | ||
| # insert space after value | ||
| # MenuComplete will automatically show the ToolTip of | ||
| # the highlighted value at the bottom of the suggestions. | ||
| [System.Management.Automation.CompletionResult]::new($($comp.Name | __podman-remote_escapeStringWithSpecialChars) + $Space, "$($comp.Name)", 'ParameterValue', "$($comp.Description)") | ||
| } | ||
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| # TabCompleteNext and in case we get something unknown | ||
| Default { | ||
| # Like MenuComplete but we don't want to add a space here because | ||
| # the user need to press space anyway to get the completion. | ||
| # Description will not be shown because thats not possible with TabCompleteNext | ||
| [System.Management.Automation.CompletionResult]::new($($comp.Name | __podman-remote_escapeStringWithSpecialChars), "$($comp.Name)", 'ParameterValue', "$($comp.Description)") | ||
| } | ||
| } | ||
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| } | ||
| } | ||
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| # This file is generated with "podman-remote completion"; see: podman-completion(1) |
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