posh-git22

0.7.3

posh-git22.psm1

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
}

# The built-in posh-git prompt function in ScriptBlock form.
$GitPromptScriptBlock = {
    if ($GitPromptSettings.DefaultPromptEnableTiming) {
        $sw = [System.Diagnostics.Stopwatch]::StartNew()
    }
    $origLastExitCode = $global:LASTEXITCODE

    # Display default prompt prefix if not empty.
    $defaultPromptPrefix = [string]$GitPromptSettings.DefaultPromptPrefix
    if ($defaultPromptPrefix) {
        $expandedDefaultPromptPrefix = $ExecutionContext.SessionState.InvokeCommand.ExpandString($defaultPromptPrefix)
        Write-Prompt $expandedDefaultPromptPrefix
    }

    # Write the abbreviated current path
    $currentPath = $ExecutionContext.SessionState.InvokeCommand.ExpandString($GitPromptSettings.DefaultPromptPath)
    Write-Prompt $currentPath

    # 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-Prompt " ${elapsed}ms"
    }

    $global:LASTEXITCODE = $origLastExitCode
    $expandedPromptSuffix
}

$currentPromptDef = if ($funcInfo = Get-Command prompt -ErrorAction SilentlyContinue) { $funcInfo.Definition }

# If prompt matches pre-0.7 posh-git prompt, ignore it
$collapsedLegacyPrompt = '$realLASTEXITCODE = $LASTEXITCODE;Write-Host($pwd.ProviderPath) -nonewline;Write-VcsStatus;$global:LASTEXITCODE = $realLASTEXITCODE;return "> "'
if ($currentPromptDef -and (($currentPromptDef.Trim() -replace '[\r\n\t]+\s*',';') -eq $collapsedLegacyPrompt)) {
    Write-Warning 'Replacing old posh-git prompt. Did you copy profile.example.ps1 into $PROFILE?'
    $currentPromptDef = $null
}

if (!$currentPromptDef) {
    # HACK: If prompt is missing, create a global one we can overwrite with Set-Item
    function global:prompt { ' ' }
}

# If there is no prompt function or the prompt function is the default, replace the current prompt function definition
if ($ForcePoshGitPrompt -or !$currentPromptDef -or ($currentPromptDef -eq $defaultPromptDef)) {
    # Set the posh-git prompt as the default prompt
    Set-Item Function:\prompt -Value $GitPromptScriptBlock
}

# 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 $GitPromptScriptBlock) {
        Set-Item Function:\prompt -Value ([scriptblock]::Create($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',
        'Get-PromptPath',
        'Write-GitStatus',
        'Write-Prompt',
        'Write-VcsStatus',
        'Get-GitBranch',
        'Get-GitStatus',
        'Enable-GitColors',
        'Get-GitDirectory',
        'TabExpansion',
        'Expand-GitCommand',
        'Get-AliasPattern',
        'Get-SshAgent',
        'Start-SshAgent',
        'Stop-SshAgent',
        'Add-SshKey',
        'Get-SshPath',
        'Update-AllBranches',
        'tgit'
    )
    Variable = @(
        'GitPromptScriptBlock'
    )
}

Export-ModuleMember @exportModuleMemberParams