Updates all repos in a folder. The user is prompted to choose the repos.

update_repos.sh

#!/usr/bin/env bash

# This script updates all git repos in the folder
# it resides. It does fetch, pull and push to the
# current branch of a repo. It shows the diff and
# asks user to commit if there are changes in the
# working copy. Put it in your workspace and run
# it using terminal, from any path. Press 'q' to
# skip long diff.
# It requires an execution permission (chmod +x)
# -- Gokhan Solak

update_repo() {

  git fetch
  git diff

  if [[ $(git diff) ]]; then
    while true; do
      read -p "Commit all? (y/n)" yn
      case $yn in
        [Yy]* )
            # commit all, user will enter the message
            git commit -a
            break;;
        [Nn]* )
            echo "Ignoring changes."
            break;;
        * )
            echo "Please answer y or n.";;
      esac
    done
  else
      echo "No changes."
  fi

  # assigns the current branch into cb
  cb=`git branch | grep \* | cut -d ' ' -f2`

  echo "** Pulling"
  git pull origin $cb

  echo "** Pushing"
  git push origin $cb
}

### main program begins here ###

echo "== Update Repos =="
echo -e "All git repos under \e[32m$PWD/$(dirname "$0")\e[0m will be updated."

for d in $PWD/$(dirname "$0")/*/
do
  # Characters like \e[31m indicate color
  echo -e "\n\n*** Entering \e[32m${d}\e[0m."

	while true; do
    echo -e "Update repo? (\e[31my\e[0m/\e[31mn\e[0m/\e[31mc\e[0m)" 
    read -p "" yn
        case $yn in
      [Yy]* )
        cd $d; update_repo; cd ..; break;;
      [Nn]* )
        echo "Skipping $d"; break;;
      [Cc]* )
        exit;;
      * ) echo -e "Please answer \e[31my\e[0mes, \e[31mn\e[0mo or \e[31mc\e[0mancel.";;
        esac
  done

done

echo -e "\e[32mAll done.\e[0m"