Go thru a directory with multiple repository directories, fetch their latest remotes, pull the latest for current branch, if currently on a divergent branch, pull latest master and rebase this branch to master

Update-All-Git-Repos.ps1

# Author: Nissan Dookeran
# Email: nissan.dookeran@gmail.com
# Date: 14-02-2020
# Purpose: Go thru a directory with multiple repository directories, 
# - fetch their latest remotes
# - if on master branch pull the latest
# - if currently on a divergent branch, pull latest and rebase this branch to origin/master
$cwd = Get-Location
$fg = "DarkGreen"
$bg = "White"
foreach ($child in (Get-ChildItem -Directory | Select-Object FullName)) {
  $loc = $child.FullName
  Set-Location $loc;
  $origin = git config --get remote.origin.url 
  $currentBranch = git rev-parse --abbrev-ref HEAD
  Write-Host "Fetching all remotes for $loc" -ForegroundColor $fg  -BackgroundColor $bg
  git fetch --all
  if ($currentBranch -ne "master") {
    Write-Host "Rebasing $currentBranch on master" -ForegroundColor $fg  -BackgroundColor $bg
    git pull --rebase origin master
  }
  else {
    Write-Host "Pulling latest $origin/$currentBranch" -ForegroundColor $fg  -BackgroundColor $bg
    git pull
  }
}
Write-Host "All done!" -ForegroundColor $fg  -BackgroundColor $bg
Set-Location $cwd