# SPDX-License-Identifier: GPL-3.0-or-later
# SPDX-FileCopyrightText: 2020,2021,2023,2024 Leah Rowe <leah@libreboot.org>

# can delete from multi- and single-tree projects.
# called from script/trees when downloading sources.
nuke()
{
	del="n"
	pjcfgdir="${1%/}"
	pjsrcdir="${2%/}"
	pjsrcdir="${pjsrcdir#src/}"
	[ ! -f "config/$pjcfgdir/nuke.list" ] && return 0

	while read -r blobfile; do
		rmf="$(realpath "src/$pjsrcdir/$blobfile" 2>/dev/null)" || \
		    continue
		[ -L "$rmf" ] && continue # we will delete the actual file
		[ "${rmf#"$PWD/src/$pjsrcdir"}" = "$rmf" ] && continue
		[ "${rmf#"$PWD/src/"}" = "$pjsrcdir" ] && continue
		rmf="${rmf#"$PWD/"}"
		[ -e "$rmf" ] || continue
		del="y"
		rm -Rf "$rmf" || $err "$pjcfgdir/blobs: can't rm \"$blobfile\""
		printf "nuke %s: deleted \"%s\"\n" "$pjcfgdir" "$rmf"
	done < "config/$pjcfgdir/nuke.list"

	[ "${del}" = "y" ] && return 0
	printf "nuke %s: no defined blobs exist in dir, src/%s\n" 1>&2 \
	    "$pjcfgdir" "$pjsrcdir"
	printf "(this is not an error)\n" 1>&2
}