#!/bin/sh
#
#  Author: Vlad Seryakov vseryakov@gmail.com
#  Sep 2013
#

case "$BKJS_CMD" in

  help|sync-help)
    echo
    echo "  sync [-host HOST] [-path PATH] [-del] [-user USER] [-ssh-key pem] [-ssh OPTS] [-exclude PATTERN] [-bkcmd CMD] - push the backend code to the remote host using rsync, default path is ~/node_modules"
    ;;

  sync)
    # Put backend code to the remote site
    host=$(get_arg -host $BKJS_HOST)
    [ "$host" = "" ] && echo "no sync without -host" && exit
    mod=$(get_json package.json name)
    [[ -z "$mod" ]] && echo "no sync without package.json" && exit 1
    path=$(get_arg -path)
    [ -z "$path" ] && path=$(get_json package.json config.sync.path)
    [ -z "$path" ] && echo "no sync without -path or config.sync.path" && exit 1
    sshargs=$(concat_arg -ssh $BKJS_SSH_ARGS)
    user=$(get_arg -user)
    [ "$user" != "" ] && sshargs="$sshargs -l $user"
    key=$(get_arg -ssh-key)
    [ "$key" != "" -a -f $HOME/.ssh/$key.pem ] && sshargs="$sshargs -i $HOME/.ssh/$key.pem -o IdentitiesOnly=yes"
    rsyncargs=$(concat_arg -rsync $BKJS_RSYNC_ARGS)
    bkcmd=$(get_arg -bkcmd)
    if [ "$bkcmd" != "" ]; then
        bkcmd="--rsync-path=/home/$BKJS_USER/bin/bkrsync -bkcmd $(echo $bkcmd|sed 's/ /%20/g')"
    else
        bkcmd=-a
    fi
    include=$(get_json package.json config.sync.include)
    for inc in $include; do
        rsyncargs="$rsyncargs --include=$inc"
    done
    if [ -f .gitignore ]; then
        rsyncargs="$rsyncargs --exclude-from .gitignore"
    fi
    [ -f $HOME/.gitignore_global ] && rsyncargs="$rsyncargs --exclude-from $HOME/.gitignore_global"
    exclude=$(get_json package.json config.sync.exclude)
    [[ -n "$exclude" ]] && rsyncargs="$rsyncargs --exclude=$exclude"
    [ "$(get_flag -del)" != "" ] && rsyncargs="$rsyncargs --del"
    echo "Deploying the module $mod: ssh $sshargs $rsyncargs $bkcmd to $host:$path/$mod"
    [ -n "$(get_flag -dry-run)" ] && exit 0
    for h in $host; do
        rsync -av -e "ssh $sshargs" "$bkcmd" $rsyncargs . $h:$path/$mod
    done
    exit
    ;;

esac