Invoke-Git.ps1

# Based on http://stackoverflow.com/a/38381054/5247022 

function Invoke-Git {
<#
.Synopsis
Wrapper function that deals with Powershell's peculiar error output when Git uses the error stream.

.Example
Invoke-Git ThrowError
$LASTEXITCODE

#>
    [CmdletBinding()]
    param(
        [parameter(ValueFromRemainingArguments=$true)]
        [string[]]$Arguments
    )

    & {
        [CmdletBinding()]
        param(
            [parameter(ValueFromRemainingArguments=$true)]
            [string[]]$InnerArgs
        )
        git.exe $InnerArgs
    } -ErrorAction SilentlyContinue -ErrorVariable fail @Arguments
    $resultcode = $LASTEXITCODE

    if ($fail) {
        $fail.Exception
    }

    if ($resultcode -ne 0) {
        Write-Error "Git.exe failed with exitcode $resultcode"
    }
}