oh-my-posh/packages/powershell/oh-my-posh/oh-my-posh.psm1

227 lines
7.4 KiB
PowerShell

<#
.SYNOPSIS
Generates the prompt before each line in the console
#>
# Powershell doesn't default to UTF8 just yet, so we're forcing it as there are too many problems
# that pop up when we don't
if ($ExecutionContext.SessionState.LanguageMode -ne "ConstrainedLanguage") {
[console]::InputEncoding = [console]::OutputEncoding = New-Object System.Text.UTF8Encoding
}
elseif ($env:POSH_CONSTRAINED_LANGUAGE -ne 1) {
Write-Host "[WARNING] ConstrainedLanguage mode detected, unable to set console to UTF-8.
When using PowerShell in ConstrainedLanguage mode, please set the
console mode manually to UTF-8. See here for more information:
https://ohmyposh.dev/docs/faq#powershell-running-in-constrainedlanguage-mode
"
$env:POSH_CONSTRAINED_LANGUAGE = 1
}
function Get-PoshCommand {
if ($IsMacOS) {
return "$PSScriptRoot/bin/posh-darwin-amd64"
}
if ($IsLinux) {
# this is rather hacky but there's no other way for the time being
$arch = uname -m
if ($arch -eq 'aarch64') {
return "$PSScriptRoot/bin/posh-linux-arm64"
}
if ($arch -eq 'armv7l') {
return "$PSScriptRoot/bin/posh-linux-arm"
}
return "$PSScriptRoot/bin/posh-linux-amd64"
}
$arch = (Get-CimInstance -Class Win32_Processor -Property Architecture).Architecture
switch ($arch) {
0 { return "$PSScriptRoot/bin/posh-windows-386.exe" } # x86
5 { return "$PSScriptRoot/bin/posh-windows-arm64.exe" } # ARM
9 { return "$PSScriptRoot/bin/posh-windows-amd64.exe" } # x64
12 { return "$PSScriptRoot/bin/posh-windows-amd64.exe" } # x64 emulated on Surface Pro X
}
throw "Oh My Posh: Unsupported architecture: $arch"
}
function Set-ExecutablePermissions {
# Set the right binary to executable before doing anything else
# Permissions don't need to be set on Windows
if ($PSVersionTable.PSEdition -ne "Core" -or $IsWindows) {
return
}
$executable = Get-PoshCommand
if (-Not (Test-Path $executable)) {
# This should only happen with a corrupt installation
Write-Warning "Executable at $executable was not found"
return
}
chmod a+x $executable 2>&1
}
function Set-PoshPrompt {
param(
[Parameter(Mandatory = $false)]
[string]
$Theme
)
$config = ""
if (Test-Path "$PSScriptRoot/themes/$Theme.omp.json") {
$path = "$PSScriptRoot/themes/$Theme.omp.json"
$config = (Resolve-Path -Path $path).ProviderPath
}
elseif (Test-Path $Theme) {
$config = (Resolve-Path -Path $Theme).ProviderPath
}
else {
$config = "$PSScriptRoot/themes/jandedobbeleer.omp.json"
}
# Workaround for get-location/push-location/pop-location from within a module
# https://github.com/PowerShell/PowerShell/issues/12868
# https://github.com/JanDeDobbeleer/oh-my-posh2/issues/113
$global:omp_global_sessionstate = $PSCmdlet.SessionState
$poshCommand = Get-PoshCommand
(& $poshCommand --init --shell=pwsh --config="$config") | Invoke-Expression
}
<#
.SYNOPSIS
Returns an ansi formatted hyperlink
if name not set, uri is used as the name of the hyperlink
.EXAMPLE
Get-Hyperlink
#>
function Get-Hyperlink {
param(
[Parameter(Mandatory, ValuefromPipeline = $True)]
[string]$uri,
[Parameter(ValuefromPipeline = $True)]
[string]$name
)
$esc = [char]27
if ("" -eq $name) {
$name = $uri
}
if ($null -ne $env:WSL_DISTRO_NAME) {
# wsl conversion if needed
$uri = &wslpath -m $uri
}
return "$esc]8;;file://$uri$esc\$name$esc]8;;$esc\"
}
<#
.SYNOPSIS
Display a preview or a list of installed themes.
.EXAMPLE
Get-PoshThemes
.Example
Gest-PoshThemes -list
#>
function Get-PoshThemes() {
param(
[switch]
[Parameter(Mandatory = $false, HelpMessage = "List themes path")]
$list
)
$consoleWidth = $Host.UI.RawUI.WindowSize.Width
$logo = @'
__ _____ _ ___ ___ ______ _ __
/ / | _ | | | \/ | | ___ \ | | \ \
/ / | | | | |__ | . . |_ _ | |_/ /__ ___| |__ \ \
< < | | | | '_ \ | |\/| | | | | | __/ _ \/ __| '_ \ > >
\ \ \ \_/ / | | | | | | | |_| | | | | (_) \__ \ | | | / /
\_\ \___/|_| |_| \_| |_/\__, | \_| \___/|___/_| |_| /_/
__/ |
|___/
'@
Write-Host $logo
$themes = Get-ChildItem -Path "$PSScriptRoot\themes\*" -Include '*.omp.json' | Sort-Object Name
Write-Host ("-" * $consoleWidth)
if ($list -eq $true) {
$themes | Select-Object @{ Name = 'hyperlink'; Expression = { Get-Hyperlink -uri $_.fullname } } | Format-Table -HideTableHeaders
}
else {
$poshCommand = Get-PoshCommand
$themes | ForEach-Object -Process {
Write-Host "Theme: $(Get-Hyperlink -uri $_.fullname -name $_.BaseName.Replace('.omp', ''))"
Write-Host ""
& $poshCommand -config $($_.FullName) -pwd $PWD
Write-Host ""
}
}
Write-Host ("-" * $consoleWidth)
Write-Host ""
Write-Host "Themes location: $(Get-Hyperlink -uri "$PSScriptRoot/themes")"
Write-Host ""
Write-Host "To change your theme, use the Set-PoshPrompt command. Example:"
Write-Host " Set-PoshPrompt -Theme jandedobbeleer"
Write-Host ""
}
# Helper function to create argument completion results
function New-CompletionResult {
param(
[Parameter(Mandatory)]
[string]$CompletionText,
[string]$ListItemText = $CompletionText,
[System.Management.Automation.CompletionResultType]$CompletionResultType = [System.Management.Automation.CompletionResultType]::ParameterValue,
[string]$ToolTip = $CompletionText
)
New-Object System.Management.Automation.CompletionResult $CompletionText, $ListItemText, $CompletionResultType, $ToolTip
}
function ThemeCompletion {
param(
$commandName,
$parameterName,
$wordToComplete,
$commandAst,
$fakeBoundParameter
)
$themes = Get-ChildItem -Path "$PSScriptRoot\themes\*" -Include '*.omp.json' | Sort-Object Name | Select-Object -Property @{
label = 'BaseName'
expression = { $_.BaseName.Replace('.omp', '') }
}
$themes |
Where-Object { $_.BaseName.ToLower().StartsWith($wordToComplete.ToLower()); } |
Select-Object -Unique -ExpandProperty BaseName |
ForEach-Object { New-CompletionResult -CompletionText $_ }
}
Set-ExecutablePermissions
Register-ArgumentCompleter `
-CommandName Set-PoshPrompt `
-ParameterName Theme `
-ScriptBlock $function:ThemeCompletion
# V2 compatibility functions
# These should be removed at a certain point in time
# but to facilitate ease of transition they are kept
# as long as issues/feature requests keep popping up
function Get-PoshInfoForV2Users {
Write-Host @'
Hi there!
It seems you're using an oh-my-posh V2 cmdlet while running V3.
To migrate your current setup to V3, have a look the documentation.
https://ohmyposh.dev/docs/upgrading
'@
}
Set-Alias -Name Set-Prompt -Value Get-PoshInfoForV2Users -Force
Set-Alias -Name Get-ThemesLocation -Value Get-PoshInfoForV2Users -Force
Set-Alias -Name Show-ThemeSymbols -Value Get-PoshInfoForV2Users -Force
Set-Alias -Name Show-ThemeColors -Value Get-PoshInfoForV2Users -Force
Set-Alias -Name Show-Colors -Value Get-PoshInfoForV2Users -Force
Set-Alias -Name Write-ColorPreview -Value Get-PoshInfoForV2Users -Force