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Adding try/catch logic to Write-VcsStatus #170

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merged 1 commit into from
Mar 12, 2017
Merged

Adding try/catch logic to Write-VcsStatus #170

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27 changes: 25 additions & 2 deletions GitPrompt.ps1
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Original file line number Diff line number Diff line change
Expand Up @@ -37,6 +37,9 @@ $global:GitPromptSettings = New-Object PSObject -Property @{
UntrackedText = ' !'
UntrackedForegroundColor = [ConsoleColor]::DarkRed
UntrackedBackgroundColor = $Host.UI.RawUI.BackgroundColor

ErrorForegroundColor = [ConsoleColor]::Red
ErrorBackgroundColor = $Host.UI.RawUI.BackgroundColor

ShowStatusWhenZero = $true

Expand Down Expand Up @@ -167,12 +170,32 @@ function Write-GitStatus($status) {
if(!(Test-Path Variable:Global:VcsPromptStatuses)) {
$Global:VcsPromptStatuses = @()
}
function Global:Write-VcsStatus { $Global:VcsPromptStatuses | foreach { & $_ } }

function Global:Write-VcsStatus {
$Global:VcsPromptStatuses | foreach {
$vcsPromptErrors = $null
try {
Invoke-Command -ScriptBlock $_ -ErrorVariable vcsPromptErrors 2>$null
}
catch {
$vcsPromptErrors = $_
}
if ($vcsPromptErrors.Length -gt 0) {
$vcsPromptErrors | % { Write-Error -ErrorRecord $_ -ErrorAction SilentlyContinue }
$s = $Global:GitPromptSettings
if ($s) {
Write-Prompt $s.BeforeText -BackgroundColor $s.BeforeBackgroundColor -ForegroundColor $s.BeforeForegroundColor
Write-Prompt "Error" -BackgroundColor $s.ErrorBackgroundColor -ForegroundColor $s.ErrorForegroundColor
Write-Prompt $s.AfterText -BackgroundColor $s.AfterBackgroundColor -ForegroundColor $s.AfterForegroundColor
}
}
}
}

# Add scriptblock that will execute for Write-VcsStatus
$PoshGitVcsPrompt = {
$Global:GitStatus = Get-GitStatus
Write-GitStatus $GitStatus
}
}
$Global:VcsPromptStatuses += $PoshGitVcsPrompt
$ExecutionContext.SessionState.Module.OnRemove = { $Global:VcsPromptStatuses = $Global:VcsPromptStatuses | ? { $_ -ne $PoshGitVcsPrompt} }