#!/bin/sh
# This file is a part of Julia. License is MIT: https://julialang.org/license
# https://github.com/JuliaLang/julia/blob/master/contrib/delete-all-rpaths.sh

[ "$(uname)" = Darwin ] || {
    echo "Requires Darwin." 2>&1
    exit 1
}

if [ $# -lt 1 ]; then
    echo "usage: $(basename $0) lib1 [lib2 ...]" 2>&1
    exit 1
fi

LIBS=''

# filter out symlinks
for lib in "$@"; do
    if [ ! -L "$lib" ]; then
        LIBS="$LIBS $lib"
    fi
done

# regex to match and capture the path in a LC_RPATH as output by `otool -l`.
rpath_r="^ +path ([[:print:]]+) \(offset [[:digit:]]+\)$"

for lib in $LIBS; do
    # Find the LC_RPATH commands, with two lines of trailing
    # context, and for each line look for the path to delete it.
    otool -l "$lib" | grep LC_RPATH -A2 |
        while IFS='' read -r line || [ -n "$line" ]; do
            if [[ $line =~ $rpath_r ]]; then
                echo $(basename $lib) deleting rpath "${BASH_REMATCH[1]}" \""$lib"\"
                install_name_tool -delete_rpath "${BASH_REMATCH[1]}" "$lib"
            fi
        done
done