#!/bin/bash
#
# Call git-submodule-move-git-dir for each repository in a tree
#

# Parameters
BASENAME="`basename $0`"
FOLDER="$1"

# Checks
if [ -z "$FOLDER" ]; then
  echo "usage: $BASENAME <repository-path>"
  exit 1
elif [ ! -d "$FOLDER" ]; then
  echo "$BASENAME: repository not found: $FOLDER"
  exit 1
elif [ ! -e "$FOLDER/.git" ]; then
  echo "$BASENAME: $FOLDER/.git not found"
  exit 1
fi

cd $FOLDER

# Find returns innermost folders first, which is essential for a
# successful migration
find -type f -name .git | while read repo; do
  folder="`dirname $repo`"
  git-submodule-move-git-dir $folder
done