#!/bin/sh

usage ()

{

echo "Usage: nvim [directory]"

echo ""

echo "Where directory is where you want to store your notes."

echo ""

echo "Environment variables:"

echo "NVIM_HOME: Which directory to use as a default (if not overridden via command line). Defaults to current directory."

echo "NVIM_EDITOR: Command to execute to invoke vim. Defaults to 'vim'"

echo "NVIM_PYTHON3_SO: location of libpython3.so file if vim is compiled with 'python3/dyn' and the file is not /usr/lib/libpython3.so"

exit 1

}

if [ "$#" -gt 1 ]

then

usage

fi

if [ "$#" -gt 0 ]

then

if [ "$1" = "-h" -o "$1" = "--help" ]

then

usage

fi

export NVIM_HOME=$1

fi

if [ -z "$NVIM_HOME" ]

then

export NVIM_HOME=$PWD

fi

if [ -z "$NVIM_EDITOR" ]

then

export NVIM_EDITOR='vim'

fi

if [ -z "$NVIM_PYTHON3_SO" ]

then

export NVIM_PYTHON3_SO='/usr/lib/libpython3.so'

fi

if [ ! -d "$NVIM_HOME" ]

then

echo "Error: directory $NVIM_HOME does not appear to exist."

exit 1

fi

FLAGS=$($NVIM_EDITOR --version)

echo $FLAGS | grep '+python3' >/dev/null

PYTHON3=$?

if [ $PYTHON3 -eq 1 ]

then

echo "Error, $NVIM_EDITOR is not compiled with python3 support"

exit 1

fi

echo $FLAGS | grep 'python3/dyn' >/dev/null

PYTHON3DYN=$?

if [ $PYTHON3DYN -eq 0 ]

then

if [ ! -f "$NVIM_PYTHON3_SO" ]

then

echo "Error: $NVIM_EDITOR is compiled with dynamic python3 support, and I can't find libpython3.so"

usage

fi

export LD_PRELOAD=$NVIM_PYTHON3_SO

fi

cd "$NVIM_HOME" && $NVIM_EDITOR -c 'exec NVIM_init()'