#!/usr/bin/env bash
# --- T2-COPYRIGHT-BEGIN ---
# t2/scripts/Apply
# Copyright (C) 2026 The T2 SDE Project
# SPDX-License-Identifier: GPL-2.0
# --- T2-COPYRIGHT-END ---

[ "$1" = -help ] && echo "Usage: <url-or-file>" && exit 0

for f; do
    tmp=

    case "$f" in
    http*://*)
	tmp=$(mktemp)
    	if ! curl -L "$f" > $tmp; then
		echo "failed to download $f" >&2
		rm -f $tmp
		exit 1
	fi
	f=$tmp
    esac

    for p in p1 p0; do
	# git apply
	patch --dry-run -$p < $f > /dev/null || continue
	patch -$p < $f && break
    done

    toadd=$(sed -n '/.* \(.*\)[[:space:]](nonexistent)/s//\1/p' < $tmp)
[ "$toadd" ] && svn add --parents $toadd

    [ "$tmp" ] && rm -f $tmp
done