#!/bin/bash

set -ue

for dir in ./*; do
  if [[ -d "$dir" && ! -L "$dir" ]]; then
    REPO_NAME=$(basename `git -C $dir rev-parse --show-toplevel`)
    # inside_git_repo
    if [[ "$(git -C $dir rev-parse --is-inside-work-tree 2>/dev/null)" ]]; then
      # working tree clean
      if [[ ! -n $(git -C $dir status -s) ]]; then
        echo "refreshing $REPO_NAME"

        ACTIVE_BRANCH=$(git -C $dir rev-parse --abbrev-ref HEAD)

        if [[ $ACTIVE_BRANCH != "master" ]]; then
          git -C $dir checkout master > /dev/null
        fi

        git -C $dir fetch --all > /dev/null
        git -C $dir pull --all > /dev/null

        if [[ $(git -C $dir rev-parse --abbrev-ref HEAD) != $ACTIVE_BRANCH ]]; then
          git -C $dir checkout $ACTIVE_BRANCH > /dev/null
        fi

        echo "refreshed $REPO_NAME"
      else
        echo "skipping $REPO_NAME - working tree dirty"
      fi
      echo ""
    fi
  fi
done