Powershell Oh-My-Posh

01_README.md

Powershell Oh-My-Posh

Script to setup Oh-My-Posh in Powershell

02_ohmyposh.ps1

# install oh-my-posh
winget install oh-my-posh

# create a profile file if it doesn't exist
New-Item -Path $PROFILE -Type File -Force

# get a list of themes to choose
Get-PoshThemes

# inside the profile file, set the theme (choose one)
# oh-my-posh init pwsh | Invoke-Expression
# oh-my-posh init pwsh --config 'https://raw.githubusercontent.com/dracula/oh-my-posh/master/dracula.omp.json' | Invoke-Expression
oh-my-posh init pwsh --config $env:USERPROFILE\AppData\Local\Programs\oh-my-posh\themes\powerlevel10k_rainbow.omp.json | Invoke-Expression
# oh-my-posh init pwsh --config $env:USERPROFILE\AppData\Local\Programs\oh-my-posh\themes\pwsh10k.omp.json | Invoke-Expression
# oh-my-posh init pwsh --config $env:USERPROFILE\AppData\Local\Programs\oh-my-posh\themes\paradox.omp.json | Invoke-Expression

# if you change the theme, export to a new file
oh-my-posh config export --output $env:USERPROFILE\AppData\Local\Programs\oh-my-posh\themes\mytheme.omp.json | Invoke-Expression

# if needed, change the ExecutionPolicy
Get-ExecutionPolicy -List
Set-ExecutionPolicy -ExecutionPolicy RemoteSigned -Scope CurrentUser
# Set-ExecutionPolicy -ExecutionPolicy Undefined -Scope CurrentUser

# this reloads the $PROFILE file in case of any changes
. $PROFILE

03a_oh-my-posh2.ps1

Install-Module posh-git -Scope CurrentUser
Install-Module oh-my-posh -Scope CurrentUser

# Start the default settings
Set-Prompt
# Alternatively set the desired theme:
Set-Theme Agnoster

if (!(Test-Path -Path $PROFILE )) { New-Item -Type File -Path $PROFILE -Force }
notepad $PROFILE


# inside $PROFILE
Import-Module posh-git
Import-Module oh-my-posh
Set-Theme Paradox

03b_theme.psm1

#requires -Version 2 -Modules posh-git

function Write-Theme {
    param(
        [bool]
        $lastCommandFailed,
        [string]
        $with
    )

    $lastColor = $sl.Colors.PromptBackgroundColor
    $prompt = Write-Prompt -Object $sl.PromptSymbols.StartSymbol -ForegroundColor $sl.Colors.PromptForegroundColor -BackgroundColor $sl.Colors.SessionInfoBackgroundColor

    #check the last command state and indicate if failed
    If ($lastCommandFailed) {
        $prompt += Write-Prompt -Object "$($sl.PromptSymbols.FailedCommandSymbol) " -ForegroundColor $sl.Colors.CommandFailedIconForegroundColor -BackgroundColor $sl.Colors.SessionInfoBackgroundColor
    }

    #check for elevated prompt
    If (Test-Administrator) {
        $prompt += Write-Prompt -Object "$($sl.PromptSymbols.ElevatedSymbol) " -ForegroundColor $sl.Colors.AdminIconForegroundColor -BackgroundColor $sl.Colors.SessionInfoBackgroundColor
    }

    $user = $sl.CurrentUser
    $computer = $sl.CurrentHostname
    $path = Get-FullPath -dir $pwd
    if (Test-NotDefaultUser($user)) {
        $prompt += Write-Prompt -Object "$user@$computer " -ForegroundColor $sl.Colors.SessionInfoForegroundColor -BackgroundColor $sl.Colors.SessionInfoBackgroundColor
    }

    $prompt += Write-Prompt -Object "$($sl.PromptSymbols.SegmentForwardSymbol) " -ForegroundColor $sl.Colors.SessionInfoBackgroundColor -BackgroundColor $sl.Colors.PromptBackgroundColor

    # Writes the drive portion
    $prompt += Write-Prompt -Object "$path " -ForegroundColor $sl.Colors.PromptForegroundColor -BackgroundColor $sl.Colors.PromptBackgroundColor


    # Writes the postfix to the prompt
    $prompt += Write-Prompt -Object $sl.PromptSymbols.SegmentForwardSymbol -ForegroundColor $lastColor

    $timeStamp = Get-Date -UFormat %R
    $timestamp = "[$timeStamp]"

    $prompt += Set-CursorForRightBlockWrite -textLength ($timestamp.Length + 1)
    $prompt += Write-Prompt $timeStamp -ForegroundColor $sl.Colors.PromptForegroundColor

    $prompt += Set-Newline

    $lastColor = $sl.Colors.SessionInfoBackgroundColor
    
    if (Test-VirtualEnv) {
		$prompt += Write-Prompt -Object $sl.PromptSymbols.SegmentForwardSymbol -ForegroundColor $lastColor -BackgroundColor $sl.Colors.VirtualEnvBackgroundColor
        $prompt += Write-Prompt -Object " $($sl.PromptSymbols.VirtualEnvSymbol) $(Get-VirtualEnvName) " -ForegroundColor $sl.Colors.VirtualEnvForegroundColor -BackgroundColor $sl.Colors.VirtualEnvBackgroundColor
        $lastColor = $sl.Colors.VirtualEnvBackgroundColor
    }


    $status = Get-VCSStatus
    if ($status) {
        $themeInfo = Get-VcsInfo -status ($status)
        $themecolor = $themeInfo.BackgroundColor
		$prompt += Write-Prompt -Object $sl.PromptSymbols.SegmentForwardSymbol -ForegroundColor $lastColor -BackgroundColor $themecolor
        $prompt += Write-Prompt -Object " $($themeInfo.VcInfo) " -BackgroundColor $themecolor -ForegroundColor $sl.Colors.GitForegroundColor
		$lastcolor = $themecolor
    }

    $prompt += Write-Prompt -Object $sl.PromptSymbols.SegmentForwardSymbol -ForegroundColor $lastColor

    $prompt += Set-Newline
    if ($with) {
        $prompt += Write-Prompt -Object "$($with.ToUpper()) " -BackgroundColor $sl.Colors.WithBackgroundColor -ForegroundColor $sl.Colors.WithForegroundColor
    }
    $prompt += Write-Prompt -Object ($sl.PromptSymbols.PromptIndicator) -ForegroundColor $sl.Colors.PromptBackgroundColor
    $prompt += ' '
    $prompt
}

$sl = $global:ThemeSettings #local settings
$sl.PromptSymbols.StartSymbol = ''
$sl.PromptSymbols.PromptIndicator = [char]::ConvertFromUtf32(0x276F)
$sl.PromptSymbols.SegmentForwardSymbol = [char]::ConvertFromUtf32(0xE0B0)
$sl.Colors.PromptForegroundColor = [ConsoleColor]::White
$sl.Colors.PromptSymbolColor = [ConsoleColor]::White
$sl.Colors.PromptHighlightColor = [ConsoleColor]::DarkBlue
#$sl.Colors.PromptHighlightColor = [ConsoleColor]::Red
#$sl.Colors.PromptBackgroundColor = [ConsoleColor]::Yellow
$sl.Colors.GitForegroundColor = [ConsoleColor]::Black
$sl.Colors.WithForegroundColor = [ConsoleColor]::DarkRed
$sl.Colors.WithBackgroundColor = [ConsoleColor]::Magenta
$sl.Colors.VirtualEnvBackgroundColor = [System.ConsoleColor]::Red
$sl.Colors.VirtualEnvForegroundColor = [System.ConsoleColor]::White