update_repos.sh

#!/bin/bash

# Every folder in the script path should be a git repository.
# Update each folder/repo with a remote pull (if they are on the default branch).

set -e
REMOTE=origin

for folder in $(find .. -mindepth 1 -maxdepth 1 -type d); do
  if [ -d $folder/.git ]; then
    pushd $folder
    default_branch=$(git remote show $REMOTE | sed -n '/HEAD branch/s/.*: //p')
    current_branch=$(git branch --show-current) 
    if [ "$default_branch" == "$current_branch" ]; then
        echo git pull $REMOTE $current_branch
    else
        echo Skipping repo in $folder \($current_branch\) because its not on $default_branch.
    fi
    popd    
  fi
done

exit 0