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#!/bin/bash
#
# Keep git remotes in sync among media archives.
#

# Parameters
BASENAME="$0"
DEST="$1"
MEDIA="/var/cache/media"

# Syntax
if [ -z "$DEST" ]; then
  echo "usage: $BASENAME <dest>"
  exit 1
elif [ ! -d "$DEST/$MEDIA" ]; then
  echo "folder $DEST/$MEDIA does not exist."
  exit 1
fi

# TODO
echo "Needs work!"
exit

# Run
for folder in `ls $MEDIA`; do
  if [ -d "$DEST/$MEDIA/$folder/.git" ]; then
    git -C $MEDIA/$folder remote -v | grep "(fetch)" | sed -e 's/(fetch)//' | while read remote; do
    (
      cd $DEST/$MEDIA/$folder
      name="`echo $remote | cut -d ' ' -f 1`"
      url="`echo $remote | cut -d ' ' -f 2`"

      # Add and update
      if [ "$name" != "all" ]; then
        if ! git remote | grep -q "^$name$" ]; then
          git remote add $remote
        else
          oldurl="`git remote -v | grep "^$name$" | grep "(fetch)" | cut -d ' ' -f 2`"

          if [ "$url" != "$oldurl" ]; then
            git remote set-url $name --delete $oldurl
            git remote set-url $name --add    $url
          fi
        fi
      fi

      # Remove dangling remotes
    )
    done
  fi
done