A script to update your local GitHub repositories with the remote branches (and cleanup)

CleanGitHubRepos.ps1

$branches = ("master", "main", "develop", "dev")

# get all directories in the current directory (just the first level)
$repos = Get-ChildItem -Path . -Filter .git -Recurse -Depth 1 -Force -Directory | Select-Object -expandproperty fullname

function Update-Repos {

    Push-Location ".."

    $branch = &git rev-parse --abbrev-ref HEAD
    Write-Host "Current branch:" $branch
    
    if ($branches -Contains $branch) {

        if (git status --porcelain | Where-Object { $_ -match '^\?\?' }) {
            # untracked files exist
            Write-Host "There are untracked files" -ForegroundColor DarkYellow
        } 
        elseif (git status --porcelain | Where-Object { $_ -notmatch '^\?\?' }) {
            # uncommitted changes
            Write-Host "There are uncommitted changes" -ForegroundColor DarkYellow
        }
        else {
            # all clear
            $branch = &git rev-parse --abbrev-ref HEAD

            $head = &git rev-parse HEAD
            $origin = &git rev-parse origin/HEAD

            if ($head -ne $origin) {
                Write-Host "Pulling changes on branch:" $branch -ForegroundColor Green
                git pull
            }
            else {
                Write-Host $branch "is up to date" -ForegroundColor Green
            }
        }
    }
    else {
        Write-Host "Not one of the default branches. Pull it manually." -ForegroundColor Yellow
    }
    
    Pop-Location
}

Write-Host "Starting..." -ForegroundColor Green
Foreach ($i in $repos) {
    # https://www.git-tower.com/learn/git/faq/cleanup-remote-branches-with-git-prune
    Write-Host "Git fetch prune:" $i
    Push-Location $i
    git fetch --prune

    Update-Repos

    Pop-Location

    Write-Host "----------------------------------------------------" -ForegroundColor White
}
Write-Host "Your GitHub folder is up to date." -ForegroundColor Green

Write-Host "----------------------------------------------------" -ForegroundColor White
Write-Host "----------------------------------------------------" -ForegroundColor White
Write-Host "Removig bin & obj folders" -ForegroundColor White
Get-ChildItem .\ -include bin,obj -exclude node_modules -Recurse | ForEach-Object ($_) {
    Write-Host "Removing:" $_.fullname -ForegroundColor Red
    remove-item $_.fullname -Force -Recurse 
}
Write-Host "All bin & obj files and folders are removed." -ForegroundColor Green