#!/bin/sh
#
# A post-install script for AstroConda IRAF packages (to update extern.pkg),
# which gets executed automatically when doing "conda install".

script_dir=`dirname "$0"`
name=$1

if [ -z "$1" -o -n "$2" ]; then
    echo "Usage: `basename "$0"` NAME"
    exit 1
fi

if [ -z "$PREFIX" -o ! -d "$PREFIX" ]; then
    echo "ERROR: \$PREFIX not set/found (script should be invoked by"\
         "\"conda install\")" >&2
    exit 1
fi

# The Python script for updating extern.pkg must be invoked in the following
# way because conda insists on mangling its interpreter path and does not put
# it back to something functional before the post install step happens :-(.
# Both the LSB and MacOS define Python in /usr/bin as standard (used to avoid
# dependence on the state of the Anaconda environment during installation).

if /usr/bin/python "$script_dir/ac_update_extern_pkg" "$PREFIX" $name; then
    echo "Updated extern.pkg file" >> "$PREFIX/.messages.txt"
else
    echo "ERROR: failed to update extern.pkg" >&2
    exit 1
fi