#!/usr/bin/env sh

td="$(mktemp -p "$pdir" -d "tmp_vim_git_multi_diff.XXXXXXXX")"
trap "rm -rf \"$td\"" EXIT

files="$(git diff --name-only "$@")"

for f in $files; do
	d="$(dirname "$td/$f")"
	rfn="$(basename "$f")"
	fn="$rfn._@HEAD"
	cfn="$rfn._@DISK"
	mkdir -p "$d"
	git --no-pager show HEAD:"$f" > "$d/$fn" 2>/dev/null || \
		echo "<NO FILE>" > "$d/$fn"
	cp "$f" "$d/$cfn"
	nvim -d "$d/$fn" "$d/$cfn"
	exit 3
done

ls -R "$td"
rm -rf "$td"