add install.sh, derp

install.sh

@@ -0,0 +1,81 @@
+#! /bin/sh -e
+
+DESTDIR=$1
+
+if [ -z "$DESTDIR" ]; then
+    echo "Usage: $0 DESTDIR"
+    exit
+fi
+
+cd $(dirname $0)
+
+older () {
+    [ -z "$1" ] && return 1
+    target=$1; shift
+    [ -f $target ] || return 0
+    for i in "$@"; do
+	[ $i -nt $target ] && return 0
+    done
+    return 1
+}
+
+copy () {
+    src=$1
+    target=$2/$src
+    targetdir=$(dirname $target)
+    if older $target $src; then
+	echo "COPY $src"
+	mkdir -p $targetdir
+	cp $src $target
+    fi
+}
+
+setup() {
+    [ -d $DESTDIR/state ] && return
+    echo "SETUP"
+    for i in points.new points.tmp teams; do
+	dir=$DESTDIR/state/$i
+	mkdir -p $dir
+	setfacl -m ${www}:rwx $dir
+    done
+    mkdir -p $DESTDIR/packages
+    >> $DESTDIR/state/points.log
+    if ! [ -f $DESTDIR/assigned.txt ]; then
+	hd </dev/urandom | awk '{print $3 $4 $5 $6;}' | head -n 100 > $DESTDIR/assigned.txt
+    fi
+
+    ln -sf ../state/points.json $DESTDIR/www
+    ln -sf ../state/puzzles.json $DESTDIR/www
+}
+
+
+echo "Figuring out web user..."
+for www in www-data http tc _ _www; do
+    id $www && break
+done
+if [ $www = _ ]; then
+    echo "Unable to determine httpd user on this system. Dying."
+    exit 1
+fi
+
+mkdir -p $DESTDIR || exit 1
+
+setup
+git $SRCDIR ls-files | while read fn; do
+    case "$fn" in
+        example-puzzles/*|tools/*|docs/*|install.sh|setup.cfg|README.md|.gitignore|src/mothd)
+            true # skip
+            ;;
+	www/*)
+	    copy $fn $DESTDIR/
+	    ;;
+	bin/*)
+	    copy $fn $DESTDIR/
+	    ;;
+	*)
+	    echo "??? $fn"
+	    ;;
+    esac
+done
+
+echo "All done installing."