#!/bin/sh

set -eu

if ! [ -d tarball_archive ]; then
	echo "$0: Directory tarball_archive does not exist in the current directory" >&2
	exit 1
fi

if [ -d .git ]; then
	if git status --porcelain | grep -q .; then
		git status >&2
		echo "$0: Git working tree unclean, won't continue" >&2
		exit 1
	fi
else
	echo "$0: .git does not exist in the current directory" >&2
	exit 1
fi
tmpfile="$(mktemp /tmp/extract_and_commit.XXXXXX)"

for archive in ./tarball_archive/{mon-2.{0,1,2,3,4},symon-2.{5,51,52,53,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88}}.tar.gz; do
	if git log --format=oneline | grep -q "$archive"; then
		echo "$0: $archive already in git, continuing" >&2
		continue
	fi
	zcat $archive | pax -0 > "$tmpfile"
	zcat $archive | pax -r
	xargs -0 git add < "$tmpfile"
	git commit -m "Add $archive"
	tr '\0' '\n' < "$tmpfile" | egrep -o "^[^/.]+/" | sort -u | xargs rm -R
	xargs -0 git add < "$tmpfile"
done

rm "$tmpfile"

git reset --hard HEAD