#!/bin/sh

DESTDIR=${1:-/home/neale/public_html}
GOPATH=$HOME/go export GOPATH

cd $(dirname $0)

older () {
    tgt=$1
    [ -f "$tgt" ] || return 0

    for src in "$@"; do
	[ "$src" -nt "$tgt" ] && return 0
    done

    return 1
}


html () {
    target=$DESTDIR/${1%md}html
    if older $target $1 tmpl/*; then
	echo "HTML $1"
	mkdir -p $(dirname $target)
	./tmpl/mdwntohtml < $1 > $target
    fi
}

copy () {
    target=$DESTDIR/$1
    if older $target $1; then
	echo "COPY $1"
	mkdir -p $(dirname $target)
	cp $1 $target
    fi
}

cc () {
    target=$DESTDIR/${1%.c}
    if older $target $1; then
	echo "CC $1"
	gcc -o $target $1
    fi
}

gc () {
    target=$DESTDIR/${1%.go}
    if older $target $1; then
	echo "GO $1"
	go build -o $target $1
    fi
}

setuid () {
    target=$DESTDIR/${1%.*}
    if ! [ -u $target ]; then
        echo "SETUID $target"
        chmod u+s $target
    fi
}

install () {
    fd=$(dirname $fn)
    echo "SUBINSTALL $fd"
    (cd $fd && ./install $DESTDIR/$fd)
}


git ls-files | while read fn; do
    case "$fn" in
	.*|*/.*|*~|install)
	    true # Skip
	    ;;
	*/install)
	    install $fn
	    ;;
	trigger.cgi.go|g.cgi.go)
	    gc $fn
	    setuid $fn
	    ;;
	*.md)
	    html $fn
	    ;;
	*.cgi.c)
	    cc $fn
	    ;;
	*.cgi.go)
	    gc $fn
	    ;;
	*)
	    copy $fn
	    ;;
    esac
done