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#!/bin/bash
#
# Register an existing hydra
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as
# published by the Free Software Foundation, either version 3 of the
# License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public
# License along with this program.  If not, see
# <http://www.gnu.org/licenses/>.

# Load
source $APP_BASE/lib/hydra/functions || exit 1
hydra_config_load

# Command line arguments
BASEDIR="$1"
REMOTE="$2"

# Validation
if [ -z "$BASEDIR" ]; then
  echo "Usage: hydra [hydra] init <path> [remote]"
  exit 1
elif grep -q -e "^$HYDRA=" $CONFIG &> /dev/null; then
  echo "Hydra $HYDRA already defined"
  exit 1
elif [ -d "$BASEDIR" ]; then
  echo "Folder $BASEDIR already exists, hydra $HYDRA already defined?"
  exit 1
fi

# Create base
mkdir -p $BASEDIR

# Reparse basedir to force absolute folder
BASEDIR="`cd $BASEDIR && pwd`"

# Add entry
echo "Registering hydra $HYDRA..."
mkdir -p $BASEDIR
chmod 700 $BASEDIR
echo "$HYDRA=\"$BASEDIR\"" >> $CONFIG

# Optional remote configuration
if [ ! -z "$REMOTE" ]; then
  # Clone configuration repository
  git clone $REMOTE $BASEDIR/config
else
  # No remote was given, so we assume this is a shiny new hydra!
  if [ ! -d "$BASEDIR/config" ]; then
    mkdir -p "$BASEDIR/config"
    (
      cd $BASEDIR/config
      echo "Hydra $HYDRA config repository" > README.md
      git init
      git add .
      git commit -m "Initial import"
    )
  fi

  if [ ! -d "$BASEDIR/doc" ]; then
    mkdir -p "$BASEDIR/doc"
    (
      cd $BASEDIR/doc
      echo "Use this repository for notes about Hydra $HYDRA" > README.md
      git init
      git add .
      git commit -m "Initial import"
    )
  fi
fi

# Sync repositories
hydra $HYDRA sync