#!/bin/sh

# This is a script that runs an idris program, suitable for use
# in a shebang line. We cache the executables by naming them after
# the SHA hash of the idris source and looking for it before
# compiling. This is the node version.
RUNIDRIS_DIR="${TEMP:-/tmp}/runidris-node"
if [ ! -d $RUNIDRIS_DIR ]; then
    mkdir $RUNIDRIS_DIR
    chmod 700 $RUNIDRIS_DIR
fi

OS=`uname -s`
case $OS in
    OpenBSD ) TEMP_NAME="runidris-`sha1 -q $1`" ;;
          * ) TEMP_NAME="runidris-`sha1sum $1 | cut -c1-40`" ;;
esac

FP="$RUNIDRIS_DIR/$TEMP_NAME"
cp "$1" "$FP.idr" # idris won't compile the script unless it ends in .idr
if [ ! -e "$FP.js" ]; then
    "${IDRIS:-idris}" --codegen node --ibcsubdir "$RUNIDRIS_DIR" -i "." "$FP.idr" -o "$FP.js"
fi
shift
node "$FP.js" "$@"