Review-PullRequest.ps1

function Review-PullRequest {
    param(
        [Parameter(Mandatory=$false)]
        [string]$Number
    )

    Invoke-Expression "git fetch origin"
    Invoke-Expression "git fetch origin refs/pull/$Number/head --"

    $commits = Invoke-Expression "git rev-list origin/master..FETCH_HEAD --"

    [array]::Reverse($commits)

    foreach($commit in $commits)
    {
        Write-Output "Now reviewing $commit"
        Invoke-Expression "git log --format=%B -n 1 $commit"
        Invoke-Expression "git difftool -y --dir-diff $commit^!"
        $key = Read-Host -Prompt "Continue? Enter 'q' to quit"

        if ($key -eq "q")
        {
            return
        }
    }
}