diff --git a/bin/install.ps1 b/bin/install.ps1 index 8b52697..d2741f8 100644 --- a/bin/install.ps1 +++ b/bin/install.ps1 @@ -33,3 +33,4 @@ if (!( New-Item -ItemType SymbolicLink -Path ~\AppData\Local\nvim\init.vim -Target (Resolve-Path .\dotfiles\neovim\init.vim) -Force # pwsh New-Item -ItemType SymbolicLink -Path $PROFILE -Target (Resolve-Path .\dotfiles\pwsh\powershell_profile.ps1) -Force +New-Item -ItemType SymbolicLink -Path ~\.config\powershell\chezmoi_completion.ps1 -Target (Resolve-Path .\dotfiles\pwsh\chezmoi_completion.ps1) -Force diff --git a/dotfiles/pwsh/chezmoi_completion.ps1 b/dotfiles/pwsh/chezmoi_completion.ps1 new file mode 100644 index 0000000..746342f --- /dev/null +++ b/dotfiles/pwsh/chezmoi_completion.ps1 @@ -0,0 +1,225 @@ +# powershell completion for chezmoi -*- shell-script -*- + +function __chezmoi_debug { + if ($env:BASH_COMP_DEBUG_FILE) { + "$args" | Out-File -Append -FilePath "$env:BASH_COMP_DEBUG_FILE" + } +} + +filter __chezmoi_escapeStringWithSpecialChars { + $_ -replace '\s|#|@|\$|;|,|''|\{|\}|\(|\)|"|`|\||<|>|&','`$&' +} + +Register-ArgumentCompleter -CommandName 'chezmoi' -ScriptBlock { + param( + $WordToComplete, + $CommandAst, + $CursorPosition + ) + + # Get the current command line and convert into a string + $Command = $CommandAst.CommandElements + $Command = "$Command" + + __chezmoi_debug "" + __chezmoi_debug "========= starting completion logic ==========" + __chezmoi_debug "WordToComplete: $WordToComplete Command: $Command CursorPosition: $CursorPosition" + + # 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) + } + __chezmoi_debug "Truncated command: $Command" + + $ShellCompDirectiveError=1 + $ShellCompDirectiveNoSpace=2 + $ShellCompDirectiveNoFileComp=4 + $ShellCompDirectiveFilterFileExt=8 + $ShellCompDirectiveFilterDirs=16 + + # 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 __completeNoDesc $Arguments" + __chezmoi_debug "RequestComp: $RequestComp" + + # 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] + } + __chezmoi_debug "New WordToComplete: $WordToComplete" + + + # Check for flag with equal sign + $IsEqualFlag = ($WordToComplete -Like "--*=*" ) + if ( $IsEqualFlag ) { + __chezmoi_debug "Completing equal sign flag" + # Remove the flag part + $Flag,$WordToComplete = $WordToComplete.Split("=",2) + } + + 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. + __chezmoi_debug "Adding extra empty parameter" + # We need to use `"`" to pass an empty argument a "" or '' does not work!!! + $RequestComp="$RequestComp" + ' `"`"' + } + + __chezmoi_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 + + + # get directive from last line + [int]$Directive = $Out[-1].TrimStart(':') + if ($Directive -eq "") { + # There is no directive specified + $Directive = 0 + } + __chezmoi_debug "The completion directive is: $Directive" + + # remove directive (last element) from out + $Out = $Out | Where-Object { $_ -ne $Out[-1] } + __chezmoi_debug "The completions are: $Out" + + if (($Directive -band $ShellCompDirectiveError) -ne 0 ) { + # Error code. No completion. + __chezmoi_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) + __chezmoi_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 + __chezmoi_debug "ShellCompDirectiveNoSpace is called" + $Space = "" + } + + if ((($Directive -band $ShellCompDirectiveFilterFileExt) -ne 0 ) -or + (($Directive -band $ShellCompDirectiveFilterDirs) -ne 0 )) { + __chezmoi_debug "ShellCompDirectiveFilterFileExt ShellCompDirectiveFilterDirs are not supported" + + # return here to prevent the completion of the extensions + return + } + + $Values = $Values | Where-Object { + # filter the result + $_.Name -like "$WordToComplete*" + + # Join the flag back if we have an equal sign flag + if ( $IsEqualFlag ) { + __chezmoi_debug "Join the equal sign flag back to the completion value" + $_.Name = $Flag + "=" + $_.Name + } + } + + if (($Directive -band $ShellCompDirectiveNoFileComp) -ne 0 ) { + __chezmoi_debug "ShellCompDirectiveNoFileComp is called" + + if ($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 + } + } + + # Get the current mode + $Mode = (Get-PSReadLineKeyHandler | Where-Object {$_.Key -eq "Tab" }).Function + __chezmoi_debug "Mode: $Mode" + + $Values | ForEach-Object { + + # store temporary because switch will overwrite $_ + $comp = $_ + + # PowerShell supports three different completion modes + # - TabCompleteNext (default windows style - on each key press the next option is displayed) + # - Complete (works like bash) + # - MenuComplete (works like zsh) + # You set the mode with Set-PSReadLineKeyHandler -Key Tab -Function + + # CompletionResult Arguments: + # 1) CompletionText text to be used as the auto completion result + # 2) ListItemText text to be displayed in the suggestion list + # 3) ResultType type of completion result + # 4) ToolTip text for the tooltip with details about the object + + switch ($Mode) { + + # bash like + "Complete" { + + if ($Values.Length -eq 1) { + __chezmoi_debug "Only one completion left" + + # insert space after value + [System.Management.Automation.CompletionResult]::new($($comp.Name | __chezmoi_escapeStringWithSpecialChars) + $Space, "$($comp.Name)", 'ParameterValue', "$($comp.Description)") + + } else { + # Add the proper number of spaces to align the descriptions + while($comp.Name.Length -lt $Longest) { + $comp.Name = $comp.Name + " " + } + + # Check for empty description and only add parentheses if needed + if ($($comp.Description) -eq " " ) { + $Description = "" + } else { + $Description = " ($($comp.Description))" + } + + [System.Management.Automation.CompletionResult]::new("$($comp.Name)$Description", "$($comp.Name)$Description", 'ParameterValue', "$($comp.Description)") + } + } + + # zsh like + "MenuComplete" { + # insert space after value + # MenuComplete will automatically show the ToolTip of + # the highlighted value at the bottom of the suggestions. + [System.Management.Automation.CompletionResult]::new($($comp.Name | __chezmoi_escapeStringWithSpecialChars) + $Space, "$($comp.Name)", 'ParameterValue', "$($comp.Description)") + } + + # TabCompleteNext and in case we get something unknown + Default { + # Like MenuComplete but we don't want to add a space here because + # the user need to press space anyway to get the completion. + # Description will not be shown because that's not possible with TabCompleteNext + [System.Management.Automation.CompletionResult]::new($($comp.Name | __chezmoi_escapeStringWithSpecialChars), "$($comp.Name)", 'ParameterValue', "$($comp.Description)") + } + } + + } +}