# PDF-generating modes are:
# 1: pdflatex, as specified by $pdflatex variable (still largely in use)
# 2: postscript conversion, as specified by the $ps2pdf variable (useless)
# 3: dvi conversion, as specified by the $dvipdf variable (useless)
# 4: lualatex, as specified by the $lualatex variable (best)
# 5: xelatex, as specified by the $xelatex variable (second best)
$pdf_mode=4;

$preview_mode=0;

$out_dir="output";

$pdf_previewer = "SumatraPDF -reuse-instance -inverse-search -a %O %S";

@default_files=("*.tex");

# nonstopmode will print more infomations
$lualatex="lualatex -shell-escape -synctex=1 -interaction=batchmode %O %S";

$success_cmd="internal mycopy %D";
sub mycopy {
    use File::Copy;
    use File::Basename;
    my $pdf = $_[0];
    my $name = basename($pdf);
    my $relpdf = "pdf/".$name;

    copy($pdf, $name);
    copy($pdf, $relpdf);

    # replace extension ".pdf" with ".synctex.gz"
    $pdf =~ s{\.[^.]*(?:\.pdf)?$}{.synctex.gz};
    copy($pdf, ".");
}

# Add custom dependency.
# latexmk checks whether a file with ending as given in the 2nd
# argument exists ('toextension'). If yes, check if file with
# ending as in first argument ('fromextension') exists. If yes,
# run subroutine as given in fourth argument.
# Third argument is whether file MUST exist. If 0, no action taken.