spkg-install

#!/usr/bin/env bash

if [ "$SAGE_LOCAL" = "" ]; then
   echo "SAGE_LOCAL undefined ... exiting";
   echo "Maybe run 'sage -sh'?"
   exit 1
fi

cd src

# Apply patches.  See SPKG.txt for information about what each patch
# does.
for patch in ../patches/*.patch; do
    [ -r "$patch" ] || continue  # Skip non-existing or non-readable patches
    patch -p1 <"$patch"
    if [ $? -ne 0 ]; then
        echo >&2 "Error applying '$patch'"
        exit 1
    else
        echo "Successfully applied patch $patch"
    fi
done

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

echo "Removing old version of IPython..."
rm -rf "$SAGE_LOCAL/lib/python/site-packages/IPython"
if [ $? -ne 0 ]; then
    echo >&2 "Error deleting previous version"
    exit 1
fi

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

# add symlink if we are running on python3
if python -c 'import sys; sys.exit(sys.version_info.major != 3)'; then
    cd "$SAGE_LOCAL"/bin
    rm -f ipython
    ln -s ipython3 ipython
fi