How to count mercurial repositories (or git repositories)

This recursive function will find all the repositories in a given location, and output their names/locations.

function SearchForRepos($fullPath) {
    $isRepo = (gci $fullpath ".hg" | measure-object | % { $_.Count })

    if ($isRepo -eq 1) {
        $fullPath
    } else {
        get-childitem $fullPath     | ?{ $_.PSIsContainer } | 
        % { SearchForRepos $_.FullName }
    }
}    

SearchForRepos "X:\Repositories\" | ? { $_ -notlike '*\Legacy\*' } | out-file "C:\wip\Repositories.csv" 

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