# TeX compilation takes a lot of resources and can hang a system, only do about
# 4 at a time
pool tex_pool
    depth = 4

# uncomment restats when ninja stops segfaulting when you do so -.- (ninja; touch legs.yaml; ninja)

# TODO: clean up the output directory by messing with this and configure.jq
#       hide all json/tex/etc in hidden files?

rule template2tex
    description = convert $in to $out using $template as a template
    command = gomplate --left-delim '«' --right-delim '»' -c .=$in < $template > $out

rule cuegen
    description = run cue on $in to produce $out
    command = cue export $in > $out

rule extract
    description = extract $target from $in via jq filter $filter
    command = touch $out && jq -c $filter < $in | bash $base/update.sh $target
    restat = 1

rule tex2pdf
    description = render tex from $in to $out
    command = $
        xelatex $
            -interaction=batchmode $
            -halt-on-error $
            --shell-escape $
            --output-directory=$$(dirname $out) $in >/dev/null
    pool = tex_pool

rule tex2pdf2x
    description = render tex from $in to $out twice (for toc)
    command = $
        xelatex $
            -interaction=batchmode $
            -halt-on-error $
            --shell-escape $
            --output-directory=$$(dirname $out) $in >/dev/null $
        || xelatex $
            -interaction=batchmode $
            -halt-on-error $
            --shell-escape $
            --output-directory=$$(dirname $out) $in >/dev/null
    pool = tex_pool

rule scantex
    description = scan tex $in for dependencies
    command = bash $base/scantex.sh $in $target > $out

rule pdf2png
    description = convert pdf $in to png $out with size $w by $h
    command = pdftoppm -scale-to-x $w -scale-to-y $h -png $in > $out

rule convert
    description = run ImageMagick convert on $in with args $args to $out
    command = magick $in $args $out

rule copy
    description = copy $in to $out
    command = cp $in $out

rule pdfunite
    description = unite pdfs to create $out
    command = $
        pdfunite $in $out $
        && pdfjam --nup 3x3 $out $
            --no-landscape --delta '0.5cm 0.5cm' --scale 0.9 $
            -o $$(dirname $out)/$$(basename -s .pdf $out)-mini.pdf >/dev/null 2>&1

rule pngunite
    description = unite pngs to create a mosaic
    command = magick montage -mode concatenate $in $out