Creates more optimal .gitignore files. Run from within your repository, and delete any .gitignore files you are not sure about first. You should make sure that all code is committed first.

CreateGitIgnores.ps1

$ErrorActionPreference = 'Stop'

$filesToIgnore = git status | ? { $_.StartsWith("`t") } | % { $_.SubString(1) } | ? { !$_.StartsWith("deleted:") }
$filesToIgnore | % {
    $fileName = [IO.Path]::GetFileName($_)
    $directory = [IO.Path]::GetDirectoryName($_)
    if($fileName.length -eq 0) {
        #The path is actually a directory
        $fileName = [IO.Path]::GetFileName($directory) + "/"
        $directory = [IO.Path]::GetDirectoryName($directory)
    }
    $ignore="/$fileName"
    $ignoreFile = "$directory\.gitignore"
    if($ignoreFile -eq '\.gitignore') {
        $ignoreFile = '.gitignore'
    }

    New-Object psobject -Property ([ordered]@{ Original=$_; IgnoreFile=$ignoreFile; Ignore=$ignore })

    Add-Content -Value "$ignore" -Path $ignoreFile
}