My Custom Prompt Powershell

prompt.ps1

function prompt {
    # --- CONFIGURATION ---
    $symbol_clean   = "✔"
    $symbol_dirty   = "*"
    $symbol_ahead   = "↑"
    $symbol_behind  = "↓"
    $symbol_stashed = "S"
    
    # Define Colors
    $color_user    = "Green"
    $color_path    = "Blue"
    $color_git     = "Yellow"
    
    $git_status_str = ""

    # Check if we are inside a Git repository
    $is_git = git rev-parse --is-inside-work-tree 2>$null
    if ($is_git -eq "true") {
        # Get current branch
        $branch = git branch --show-current

        # Get ahead/behind counts
        $counts = git rev-list --left-right --count HEAD...@{u} 2>$null
        $ahead = 0
        $behind = 0
        if ($counts -match "(\d+)\s+(\d+)") {
            $ahead  = $Matches[1]
            $behind = $Matches[2]
        }

        # Check for dirty state (uncommitted changes)
        $dirty_check = git status --porcelain
        $dirty = if ($dirty_check) { " $symbol_dirty" } else { " $symbol_clean" }

        # Check for stashed changes
        $has_stash = git rev-parse --verify refs/stash 2>$null
        $stashed = if ($has_stash) { " $symbol_stashed" } else { "" }

        # Build ahead/behind string
        $up_down = ""
        if ($ahead -gt 0)  { $up_down += " $symbol_ahead$ahead" }
        if ($behind -gt 0) { $up_down += " $symbol_behind$behind" }

        $git_status_str = " ($branch$up_down$dirty$stashed)"
    }

    # --- Render Prompt ---
    # Line 1: user@host:path (git_status)
    Write-Host "$($env:USERNAME)@$($env:COMPUTERNAME):" -ForegroundColor $color_user -NoNewline
    Write-Host "$(Get-Location)" -ForegroundColor $color_path -NoNewline
    Write-Host $git_status_str -ForegroundColor $color_git
    
    # Line 2: The prompt symbol
    return "❯ "
}