Powershell script to fetch changes in all repos in directory and pull changes if pristine on default branches

Fetch-All.ps1

function Get-Changes {

    Push-Location ".."

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

        if(git status --porcelain | Where-Object {$_ -match '^\?\?'}){
            # untracked files exist
            Write-Host "There are untracked files"
            Write-Host "Current branch: " $branch
        } 
        elseif(git status --porcelain | Where-Object {$_ -notmatch '^\?\?'}) {
            # uncommitted changes
            Write-Host "There are uncommitted changes"
            Write-Host "Current branch: " $branch
        }
        else {
            # tree is clean
            $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
                git pull
            } else {
                Write-Host "Already up to date"
            }
        }
    } else{
        Write-Host "Not on master/develop, will not pull changes automatically"
        
    }
    
    Pop-Location
}

$folders = Get-ChildItem -Path . -Filter .git -Recurse -Depth 1 -Force -Directory |
                Select-Object -expandproperty fullname

$defaultBranches = ("master", "develop")

Foreach ($i in $folders)
{
    Write-Host "Git fetch: " $i
    Push-Location $i
    git fetch --prune

    Get-Changes

    Pop-Location
}