setup

#!/bin/bash
set_dir () { DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"; }; set_dir
safe_source () { source $1; set_dir; }
set_dir
safe_source $DIR/aktos-bash-lib/btrfs-functions.sh

PR=$(realpath $DIR/..)
echo "Project root is: $PR"
CONFIG="$PR/config.sh"

echo "Creating link for Makefile"
ln -sf "./$(basename $DIR)/toolset-makefile.mk" "$PR/Makefile"

echo "Creating backups directory"
backups_dir="$PR/backups"
if [ ! -d $backups_dir ]; then
    mkdir -p $PR/backups
else
    echo "..backups dir exists already."
fi

sync_root="$PR/sync-root"
btrfs_flag="$PR/method-btrfs"
hardlinks_flag="$PR/method-hardlinks"
if [ ! -d $sync_root ]; then
    echo "Guessing preferred backup method.."
    if is_btrfs "$PR"; then
        echo "..using btrfs method"
        touch $btrfs_flag
        rm $hardlinks_flag 2> /dev/null
        btrfs sub create $sync_root
    else
        echo "..using hardlinks method"
        touch $hardlinks_flag
        rm $btrfs_flag 2> /dev/null
        mkdir $sync_root
    fi
else
    echo "..sync-root exists already, not configuring again."
fi

echo "Creating configuration file"
if [[ ! -e "$CONFIG" ]]; then
  cp "$DIR/config-template.sh" "$CONFIG"
  nano "$CONFIG"
else
  echo "..there is a configuration file already, use 'make setup' to setup"
fi

touch "$PR/up-to-date"