#!/usr/bin/env bash

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# Copies or lipos files from the given DESTDIR dirs to the respective install dir

set -e

for dir in "$@"; do
    echo "Processing files in $dir ..."
    pushd $dir >/dev/null
    find . -type f | while read f; do
        dst="${f:1}"
        dstdir=$(dirname $dst)
        mkdir -p $dstdir
        if [[ ! -f $dst ]]; then
            echo "Copying $dir/$f to $dst"
            cp -c $f $dst
        elif lipo -info $f >/dev/null 2>&1; then
            echo "Lipoing $dir/$f into $dst"
            lipo -create -output $dst $dst $f
        elif ! diff $f $dst; then
            echo "Error: File $f in $dir doesn't match destination $dst"
            exit 1
        fi
    done
    popd >/dev/null
done