#!/bin/bash

if [[ x$TAG_HOME == x ]]
then
    echo "not set TAG_HOME env"
    exit 0
fi

CUR_DIR=`pwd`

if [[ $CUR_DIR == $TAG_HOME ]]
then
    if [[ $# == 0 ]] || [[ ! -d $1 ]]
    then
        echo "Usage: $0 code_dir"
        exit 0
    fi
    CODE_DIR=$1
else
    CODE_DIR=$CUR_DIR
fi

TAG_NAME=`basename $CODE_DIR`

if [[ ! -d $CODE_DIR/.tags ]]
then
    mkdir $CODE_DIR/.tags
fi

SCRIPT=$CODE_DIR/.tags/update.sh

if [[ ! -f $SCRIPT ]]
then
    echo "#!/bin/bash" > $SCRIPT
    echo "" >> $SCRIPT
    echo "# SRC_DIRS=\"-s xxx -s xxx\"" >> $SCRIPT
    echo "# ING_DIRS=\"-i xxx -i xxx\"" >> $SCRIPT
    echo "" >> $SCRIPT
    echo "0db.sh -y \$SRC_DIRS \$ING_DIRS" >> $SCRIPT
    chmod 777 $SCRIPT
fi

if [[ ! -L $TAG_HOME/$TAG_NAME ]]
then
    ln -s $CODE_DIR/.tags $TAG_HOME/$TAG_NAME
fi