#!/bin/bash
#
# Add git-annex remotes to repository in removable media or local cache.
#

# Parameters
BASENAME="`basename $0`"
VOLUME="$1"
DOMAIN="`facter DOMAIN`"
HOST="`facter hostname`"
#LOCAL_BOXES=""
#LOCAL_VOLUMES=""
#REMOTE_BOXES=""

# Syntax check
if [ -z "$VOLUME" ]; then
  echo "usage: $BASENAME <VOLUME>"
  exit 1
fi

# Determine media folder
if [ "$VOLUME" == "$HOST" ]; then
  MEDIA="/var/cache/media"
else
  MEDIA="/media/$VOLUME/media.$DOMAIN"
fi

# Process each repository
for file in `ls $MEDIA`; do
  if [ -d "$MEDIA/$file/.git" ]; then
    (
    echo Processing "$MEDIA/$file..."
    cd $MEDIA/$file

    if git remotes | grep -q "^origin$"; then
      echo "Removing origin..."
      git remote rm origin
    fi

    if [ ! -d "$MEDIA/$file/.git/annex" ]; then
      git annex init $VOLUME
    fi

    for remote in $LOCAL_BOXES; do
      echo "Adding /var/cache/$remote/media/$file remote..."
      git remote add $remote /var/cache/$remote/media/$file
    done

    for remote in $LOCAL_VOLUMES; do
      echo "Adding /media/$remote/media.$DOMAIN/$file..."
      git remote add $remote /media/$remote/media.$DOMAIN/$file
    done

    for remote in $REMOTE_BOXES; do
      echo "Adding /var/cache/$remote/media/$file remote..."
      git remote add $remote ssh://$remote/var/cache/media/$file
    done

    echo ""
    )
  fi
done