Update multiple repositories at the same time

update-local-repos.sh

#!/usr/bin/env bash
# Updates multiple repositories at once
# Use this site for reference regarding Bash colors: https://misc.flogisoft.com/bash/tip_colors_and_formatting

# MAKE SURE PATH IS CORRECT!!!
CDPATH="CHANGE_TO_PATH" # <--- Put the path to your local repositories here

SUCCESS="echo -e \\n\\e[92mLocal repositories updated\\e[0m\\n"

cd "$CDPATH" || return

# Find all repositories and update each of them to the latest revision
for i in $(find . -name ".git" | cut -d'/' -f2); do
  echo
  echo -e "\\e[33m$i\\e[0m"

  # Switch to the repository
  cd "$i" || return

  # Check which branch the HEAD is on in the upstream repository
  UPSTREAM_BRANCH="$(git remote show origin | sed -n 4p | cut -c 16-)"
  if [ "$UPSTREAM_BRANCH" = "$ORIGIN_BRANCH" ]; then

    # Pull the MASTER branch from the upstream repository
    UPSTREAM_PULL="git pull --rebase upstream"
    $UPSTREAM_PULL $ORIGIN_BRANCH

    # Cleanup unnecessary files and optimize the local repository // Source: man git-gc
    git gc --auto

    # Push to your remote fork
    git push -u origin --all --force # <--- Remove the `--force` option if destination branch is protected

  else
    echo "Branch is not the same"
    echo "HEAD is at branch '$UPSTREAM_BRANCH'"

  fi

  # Return to $CDPATH
  cd "$CDPATH" || return

done

echo
$SUCCESS

exit