posh-git.psm1
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param([switch]$NoVersionWarn,[switch]$ForcePoshGitPrompt) if (Get-Module posh-git) { return } $psv = $PSVersionTable.PSVersion if ($psv.Major -lt 3 -and !$NoVersionWarn) { Write-Warning ("posh-git support for PowerShell 2.0 is deprecated; you have version $($psv).`n" + "To download version 5.0, please visit https://www.microsoft.com/en-us/download/details.aspx?id=50395`n" + "For more information and to discuss this, please visit https://github.com/dahlbyk/posh-git/issues/163`n" + "To suppress this warning, change your profile to include 'Import-Module posh-git -Args `$true'.") } & $PSScriptRoot\CheckVersion.ps1 > $null . $PSScriptRoot\Utils.ps1 . $PSScriptRoot\GitUtils.ps1 . $PSScriptRoot\GitPrompt.ps1 . $PSScriptRoot\GitParamTabExpansion.ps1 . $PSScriptRoot\GitTabExpansion.ps1 . $PSScriptRoot\TortoiseGit.ps1 if (!$Env:HOME) { $Env:HOME = "$Env:HOMEDRIVE$Env:HOMEPATH" } if (!$Env:HOME) { $Env:HOME = "$Env:USERPROFILE" } Get-TempEnv 'SSH_AGENT_PID' Get-TempEnv 'SSH_AUTH_SOCK' # Get the default prompt definition. if (($psv.Major -eq 2) -or ![Runspace]::DefaultRunspace.InitialSessionState.Commands) { $defaultPromptDef = "`$(if (test-path variable:/PSDebugContext) { '[DBG]: ' } else { '' }) + 'PS ' + `$(Get-Location) + `$(if (`$nestedpromptlevel -ge 1) { '>>' }) + '> '" } else { $defaultPromptDef = [Runspace]::DefaultRunspace.InitialSessionState.Commands['prompt'].Definition } # If there is no prompt function or the prompt function is the default, replace the current prompt function definition $poshGitPromptScriptBlock = $null $currentPromptDef = if ($funcInfo = Get-Command prompt -ErrorAction SilentlyContinue) { $funcInfo.Definition } if (!$currentPromptDef) { # HACK: If prompt is missing, create a global one we can overwrite with Set-Item function global:prompt { ' ' } } if ($ForcePoshGitPrompt -or !$currentPromptDef -or ($currentPromptDef -eq $defaultPromptDef)) { # Have to use [scriptblock]::Create() to get debugger detection to work in PS v2 $poshGitPromptScriptBlock = [scriptblock]::Create(@' if ($GitPromptSettings.DefaultPromptEnableTiming) { $sw = [System.Diagnostics.Stopwatch]::StartNew() } $origLastExitCode = $global:LASTEXITCODE # A UNC path has no drive so it's better to use the ProviderPath e.g. "\\server\share". # However for any path with a drive defined, it's better to use the Path property. # In this case, ProviderPath is "\LocalMachine\My"" whereas Path is "Cert:\LocalMachine\My". # The latter is more desirable. $pathInfo = $ExecutionContext.SessionState.Path.CurrentLocation $currentPath = if ($pathInfo.Drive) { $pathInfo.Path } else { $pathInfo.ProviderPath } # File system paths are case-sensitive on Linux and case-insensitive on Windows and macOS if (($PSVersionTable.PSVersion.Major -ge 6) -and $IsLinux) { $stringComparison = [System.StringComparison]::Ordinal } else { $stringComparison = [System.StringComparison]::OrdinalIgnoreCase } # Abbreviate path by replacing beginning of path with ~ *iff* the path is in the user's home dir $abbrevHomeDir = $GitPromptSettings.DefaultPromptAbbreviateHomeDirectory if ($abbrevHomeDir -and $currentPath -and $currentPath.StartsWith($Home, $stringComparison)) { $currentPath = "~" + $currentPath.SubString($Home.Length) } # Display default prompt prefix if not empty. $defaultPromptPrefix = [string]$GitPromptSettings.DefaultPromptPrefix if ($defaultPromptPrefix) { $expandedDefaultPromptPrefix = $ExecutionContext.SessionState.InvokeCommand.ExpandString($defaultPromptPrefix) Write-Host $expandedDefaultPromptPrefix -NoNewline } # Write the abbreviated current path Write-Host $currentPath -NoNewline # Write the Git status summary information Write-VcsStatus # If stopped in the debugger, the prompt needs to indicate that in some fashion $hasInBreakpoint = [runspace]::DefaultRunspace.Debugger | Get-Member -Name InBreakpoint -MemberType property $debugMode = (Test-Path Variable:/PSDebugContext) -or ($hasInBreakpoint -and [runspace]::DefaultRunspace.Debugger.InBreakpoint) $promptSuffix = if ($debugMode) { $GitPromptSettings.DefaultPromptDebugSuffix } else { $GitPromptSettings.DefaultPromptSuffix } # If user specifies $null or empty string, set to ' ' to avoid "PS>" unexpectedly being displayed if (!$promptSuffix) { $promptSuffix = ' ' } $expandedPromptSuffix = $ExecutionContext.SessionState.InvokeCommand.ExpandString($promptSuffix) # If prompt timing enabled, display elapsed milliseconds if ($GitPromptSettings.DefaultPromptEnableTiming) { $sw.Stop() $elapsed = $sw.ElapsedMilliseconds Write-Host " ${elapsed}ms" -NoNewline } $global:LASTEXITCODE = $origLastExitCode $expandedPromptSuffix '@) # Set the posh-git prompt as the default prompt Set-Item Function:\prompt -Value $poshGitPromptScriptBlock } # Install handler for removal/unload of the module $ExecutionContext.SessionState.Module.OnRemove = { $global:VcsPromptStatuses = $global:VcsPromptStatuses | Where-Object { $_ -ne $PoshGitVcsPrompt } # Check if the posh-git prompt function itself has been replaced. If so, do not restore the prompt function $promptDef = if ($funcInfo = Get-Command prompt -ErrorAction SilentlyContinue) { $funcInfo.Definition } if ($promptDef -eq $poshGitPromptScriptBlock) { Set-Item Function:\prompt -Value ([scriptblock]::Create($defaultPromptDef)) return } Write-Warning 'If your prompt function uses any posh-git commands, it will cause posh-git to be re-imported every time your prompt function is invoked.' } $exportModuleMemberParams = @{ Alias = @('??') # TODO: Remove in 1.0.0 Function = @( 'Invoke-NullCoalescing', 'Add-PoshGitToProfile', 'Write-GitStatus', 'Write-Prompt', 'Write-VcsStatus', 'Get-GitBranch', 'Get-GitStatus', 'Enable-GitColors', 'Get-GitDirectory', 'TabExpansion', 'Get-AliasPattern', 'Get-SshAgent', 'Start-SshAgent', 'Stop-SshAgent', 'Add-SshKey', 'Get-SshPath', 'Update-AllBranches', 'tgit' ) } Export-ModuleMember @exportModuleMemberParams |