Set-LocationToRepository.ps1

# https://gist.github.com/ap0llo/9d7cab3a4d05bb3b43720d2997c03d9f

function Set-LocationToRepository([Parameter(Mandatory = $false)][string]$Name) {

    if (-not $RepositoriesDirectory) {
        $RepositoriesDirectory = Join-Path $env:USERPROFILE "source\repos"
    }

    if (-not (Test-Path -Path $RepositoriesDirectory -PathType Container)) {
        throw "Repositories directory '$RepositoriesDirectory' does not exist."
    }


    if (($Name -eq "/") -or ($Name -eq "\")) {
        Push-Location -Path $RepositoriesDirectory
        return
    }

    
    $repositories = Get-Repository
    
    # if a repo name was specified, filter the repository list
    if ($Name) {

        $matchingRepositories = $repositories | Where-Object { $PSItem.Name -eq $Name }
        $count = ($matchingRepositories | Measure-Object).Count
        if ($count -ne 1) {
            $matchingRepositories = $repositories | Where-Object { $PSItem.Name -like "*$Name*" }
        }

        $repositories = $matchingRepositories
    }
    
    $count = ($repositories | Measure-Object).Count
    switch ($count) {
        0 {  
            throw "No repositories matching the search criteria found in '$RepositoriesDirectory'"
        }
        1 {
            Push-Location $repositories.FullName
        }
        Default {
            Write-Host " "
            $i = 0
            foreach ($repo in $repositories) {
                $relativePath = $repo.FullName.Replace($RepositoriesDirectory, "").Replace("\", "/").Trim("/")
                Write-Host " $i - $relativePath"
                $i = $i + 1
            }
            Write-Host " "

            while ($true) {

                $selection = Read-Host "Select repository index"
                $index = $selection -as [int]

                if (($null -ne $index) -and ($index -lt $count) -and ($index -ge 0)) {                    
                    Push-Location -Path ($repositories[$index]).FullName
                    break
                }
                else {
                    Write-Error "Invalid input '$selection' "
                }
            }
        }
    }
}


Set-Alias cdr Set-LocationToRepository


function Test-Repository($Path) {
    return Test-Path (Join-Path $Path ".git") -PathType Container 
}

function Get-Repository($Path) {
 
    if (-not $RepositoriesDirectory) {
        $RepositoriesDirectory = Join-Path $env:USERPROFILE "source\repos"
    }

    if (-not $Path) {
        $Path = $RepositoriesDirectory
    }
    
    foreach ($dir in Get-ChildItem -Path $Path -Directory) {
        
        if ($dir.Name -eq "node_modules") {
            continue
        }

        if ($dir.Name -eq ".store") {
            continue
        }
        
        if (Test-Repository $dir.FullName) {
            #Write-Host "$($dir.FullName) is a git repository"
            Write-Output $dir
        }
        else {
            Get-Repository $dir.FullName | Write-Output
        }
    }
}

Register-ArgumentCompleter -CommandName Set-LocationToRepository -ParameterName Name -ScriptBlock {
    param($commandName, $parameterName, $wordToComplete, $commandAst, $fakeBoundParameters)
    Get-Repository | Where-Object { $PSItem.Name -like "$wordToComplete*" } | Select-Object -ExpandProperty Name
}