#!/usr/bin/env bash

if [ -z "$SAGE_LOCAL" ]; then
    echo >&2 "Error: SAGE_LOCAL undefined - exiting..."
    echo >&2 "Maybe run 'sage -sh'?"
    exit 1
fi

# Delete any old version or setup.py refuses to overwrite it
rm -rf "$SAGE_LOCAL/lib/python/site-packages/dot2tex"

ls -al
cd src

for patch in ../patches/*.patch; do
    [ -f "$patch" ] || continue
    patch -p1 <"$patch"
    if [ $? -ne 0 ]; then
        echo >&2 "Error applying '$patch'"
        exit 1
    fi
done

python setup.py build
if [ $? -ne 0 ]; then
    echo >&2 "Error building dot2tex."
    exit 1
fi

python setup.py install
if [ $? -ne 0 ]; then
    echo >&2 "Error installing dot2tex."
    exit 1
fi
