User talk:Juanda619

download_page_url="http://www.isfdb.org/wiki/index.php/ISFDB_Downloads"

usage() {

 echo "$(basename "$0") [OPTIONS] DOWNLOAD_DIRECTORY"
 echo "Valid options are:"
 echo "  -c | --ignore-covers : ignore cover files"
 echo "  -d | --ignore-database : ignore database file"
 echo "  -s | --ignore-sources : ignore source code"
 echo "  -h | --help : this message"

}

ignore_sources= ignore_database= ignore_covers=

while [ "$1" != "" ]; do

   case $1 in
       -s | --ignore-sources )    ignore_sources=true;;
       -d | --ignore-database )   ignore_database=true;;
       -c | --ignore-covers )     ignore_covers=true;;
       -h | --help )              usage
                                  exit;;
       -* )                       echo "Unkown option $1"
                                  usage
                                  exit 1;;
       *)                         download_dir="$1";;
   esac
   shift

done

if [ -n "$download_dir" ]; then

 # If user specified a relative path, turn it into an absolute path
 case "$download_dir" in
   /*) ;;
    *) download_dir="$(pwd)/$download_dir" ;;
 esac
 mkdir -p "$download_dir"
 if [ ! -w "$download_dir" ]; then
   echo "ERROR: Backup directory '$download_dir' couldn't be created or is not writeable!"
   usage
   exit 1
 fi

else

 echo "ERROR: No backup directory provided!"
 usage
 exit 1

fi

sources_dir="$download_dir/sources" database_dir="$download_dir/database" covers_dir="$download_dir/covers"

mkdir -p "$sources_dir" mkdir -p "$database_dir" mkdir -p "$covers_dir"

download_page="$download_dir/isfdb_download_page.html"

errors=

echo echo "******************************************" echo " Get and check download page" echo "******************************************" echo if [ -e "$download_page" ]; then

 # Download the page only if it has been changed since the last download (using timestamp
 # comparison):
 curl_cmd="curl -z $download_page -o $download_page $download_page_url"

else

 curl_cmd="curl -o $download_page $download_page_url"

fi if ! $($curl_cmd) ; then

 echo "IFSDB download page $download_page_url could not be downloaded. Did the URL change probably?"
 exit 1

fi

if [ -z $ignore_sources ]; then

 echo
 echo "******************************************"
 echo "     Check out or update source code"
 echo "******************************************"
 echo
 if [ -z $(which svn) ] ; then
   errors="${errors}\n'svn' executable not found. If you want the source code you have to install the package"
   errors="${errors}\nwhich contains 'svn' or use the option '-s' to get rid of this message."
 else
   sources_module_name="isfdb2"
   if [ -e "$sources_dir/$sources_module_name/" ]; then
     cd  "$sources_dir/$sources_module_name"
     if ! svn update ; then
       errors="${errors}\nCould not update sources from SVN"
     fi
   else
     cd "$sources_dir"
     echo
     echo "No working copy found. An initial checkout of the complete source code will now be attempted."
     echo "If nothing seems to happen it is probably waiting for a password to be entered, in which case pressing RETURN should suffice."
     if ! svn checkout svn://svn.code.sf.net/p/isfdb/code-svn "$sources_module_name" ; then
       errors="${errors}\nCould not check out sources from SVN."
     fi
   fi
 fi

else

 echo "Ignoring source code"

fi

can_download=true if ([ -z $ignore_database ] || [ -z $ignore_covers ]) && [ -z $(which gdown) ]; then

 errors="${errors}\ngdown is required to download the backup files from Google Drive but could not be found."
 errors="${errors}\nIt's a Python library which can usually be installed from the Python Package Index (PyPI) repository:"
 errors="${errors}\n  pip install gdown"
 errors="${errors}\nIf that doesn't work check out https://github.com/wkentaro/gdown"
 can_download=false

fi

if [ -z $ignore_database ]; then

 if $can_download; then
   echo
   echo "*******************************