#!/bin/bash
# info: archive directory
# options: USER ARCHIVE DIRECTORY [DIRECTORY_N]
#
# The function creates tar archive

user=$1
archive=$2
src1=$3
src2=$4
src3=$5
src4=$6
src5=$7
src6=$8
src7=$9

# Checking arguments
if [ -z "$src1" ]; then
    echo "Usage: USER ARCHIVE DIRECTORY [DIRECTORY_N]"
    exit 1
fi

# Checking vesta user
if [ ! -e "$VESTA/data/users/$user" ]; then
    echo "Error: vesta user $user doesn't exist"
    exit 3
fi

# Checking user homedir
homedir=$(grep "^$user:" /etc/passwd | cut -f 6 -d :)
if [ -z $homedir ]; then
    echo "Error: user home directory doesn't exist"
    exit 12
fi

# Checking archive
if [ -e "$archive.tar.gz" ]; then
    echo "Error: archive already exist $archive.tar.gz"
    exit 1
fi

# Checking source path
for src_path in $src1 $src2 $src3 $src4 $src5 $src6 $src7; do
    rpath=$(readlink -f "$src_path")
    if [ -z "$(echo $rpath |egrep "^/tmp|^$homedir")" ]; then
        echo "Error: invalid source path $src_path"
        exit 1
    fi
done

# Creating tar.gz archive
sudo -u $user tar -czf "$archive.tar.gz" \
    $src1 $src2 $src3 $src4 $src5 $src6 $src7 > /dev/null 2>&1
if [ "$?" -ne 0 ]; then
#    echo "Error: archive $archive.tar.gz was not created"
    exit 3
fi

exit