Helpers/Prompt.ps1
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.SYNOPSIS Defines whether or not the current terminal supports ANSI characters .DESCRIPTION Logic taken from posh-git that sets the $GitPromptSettings.AnsiConsole bool: [bool]$AnsiConsole = $Host.UI.SupportsVirtualTerminal -or ($Env:ConEmuANSI -eq "ON") #> function Test-IsVanillaWindow { $hasAnsiSupport = (Test-AnsiTerminal) -or ($Env:ConEmuANSI -eq "ON") -or ($env:PROMPT) -or ($env:TERM_PROGRAM -eq "Hyper") -or ($env:TERM_PROGRAM -eq "vscode") return !$hasAnsiSupport } function Test-AnsiTerminal { return $Host.UI.SupportsVirtualTerminal } function Test-PsCore { return $PSVersionTable.PSVersion.Major -gt 5 } function Get-Home { # On Unix systems, $HOME comes with a trailing slash, unlike the Windows variant return $HOME.TrimEnd('/','\') } function Test-Administrator { if ($PSVersionTable.Platform -eq 'Unix') { return $false #TO-DO: find out how to distinguish this one } elseif ($PSVersionTable.Platform -eq 'Windows') { return $false #TO-DO: find out how to distinguish this one } else { return ([Security.Principal.WindowsPrincipal] [Security.Principal.WindowsIdentity]::GetCurrent()).IsInRole([Security.Principal.WindowsBuiltInRole] 'Administrator') } } function Get-ComputerName { if (Test-PsCore -and $PSVersionTable.Platform -ne 'Windows') { return $env:NAME } return $env:COMPUTERNAME } function Get-Provider { param( [Parameter(Mandatory = $true)] [string] $path ) return (Get-Item $path -Force).PSProvider.Name } function Get-Drive { param( [Parameter(Mandatory = $true)] [System.Object] $dir ) $provider = Get-Provider -path $dir.Path if($provider -eq 'FileSystem') { $homedir = Get-Home if($dir.Path.StartsWith($homedir)) { return '~' } elseif($dir.Path.StartsWith('Microsoft.PowerShell.Core')) { $parts = $dir.Path.Replace('Microsoft.PowerShell.Core\FileSystem::\\','').Split('\') return "$($parts[0])$($sl.PromptSymbols.PathSeparator)$($parts[1])$($sl.PromptSymbols.PathSeparator)" } else { $root = $dir.Drive.Name if($root) { return $root } else { return $dir.Path.Split(':\')[0] + ':' } } } else { return $dir.Drive.Name } } function Test-IsVCSRoot { param( [object] $dir ) return (Test-Path -Path "$($dir.FullName)\.git") -Or (Test-Path -Path "$($dir.FullName)\.hg") -Or (Test-Path -Path "$($dir.FullName)\.svn") } function Get-FullPath { param( [Parameter(Mandatory = $true)] [System.Management.Automation.PathInfo] $dir ) if ($dir.path -eq "$($dir.Drive.Name):\") { return "$($dir.Drive.Name):" } $path = $dir.path.Replace((Get-Home),'~').Replace('\', $sl.PromptSymbols.PathSeparator) return $path } function Get-ShortPath { param( [Parameter(Mandatory = $true)] [System.Management.Automation.PathInfo] $dir ) $provider = Get-Provider -path $dir.path if($provider -eq 'FileSystem') { $result = @() $currentDir = Get-Item $dir.path -Force while( ($currentDir.Parent) -And ($currentDir.FullName -ne (Get-Home)) ) { if( (Test-IsVCSRoot -dir $currentDir) -Or ($result.length -eq 0) ) { $result = ,$currentDir.Name + $result } else { $result = ,$sl.PromptSymbols.TruncatedFolderSymbol + $result } $currentDir = $currentDir.Parent } $shortPath = $result -join $sl.PromptSymbols.PathSeparator if ($shortPath) { $drive = (Get-Drive -dir $dir) return "$drive$($sl.PromptSymbols.PathSeparator)$shortPath" } else { if ($dir.path -eq (Get-Home)) { return '~' } return "$($dir.Drive.Name):" } } else { return $dir.path.Replace((Get-Drive -dir $dir), '') } } function Test-VirtualEnv { if ($env:VIRTUAL_ENV) { return $true } return $false } function Get-VirtualEnvName { $virtualEnvName = ($env:VIRTUAL_ENV -split '\\')[-1] return $virtualEnvName } function Test-NotDefaultUser($user) { return $DefaultUser -eq $null -or $user -ne $DefaultUser -or (Test-VirtualEnv) } function Set-CursorForRightBlockWrite { param( [int] $textLength ) $rawUI = $Host.UI.RawUI $width = $rawUI.BufferSize.Width $space = $width - $textLength return "$escapeChar[$($space)G" } function Reset-CursorPosition { $postion = $host.UI.RawUI.CursorPosition $postion.X = 0 $host.UI.RawUI.CursorPosition = $postion } function Set-CursorUp { param( [int] $lines ) return "$escapeChar[$($lines)A" } function Set-Newline { return Write-Prompt "`n" } $escapeChar = [char]27 $sl = $global:ThemeSettings #local settings |