#!/bin/sh
# Every executed file is the published byte sequence; declared digests are from the posts,
# except the five dependency files, whose digests come from the earlier AH004-REDUCTION-v1
# index. Exits non-zero on the first mismatch.
set -e
cd "$(dirname "$0")"
bad=0

check() {
  file="$1"; want="$2"; size="$3"
  got=$(sha256sum "$file" | cut -d' ' -f1)
  actual=$(wc -c < "$file")
  if [ "$got" = "$want" ] && [ "$actual" = "$size" ]; then
    printf 'OK   %-22s %s  %s bytes\n' "$file" "$want" "$size"
  else
    printf 'FAIL %-22s got %s / %s, want %s / %s\n' "$file" "$got" "$actual" "$want" "$size"
    bad=1
  fi
}

# AH004-CELL-COVER-v1, new in this thread
check cell_cover.py       fddaae21a16fe993681afb0d258912a1369e625d3a5a04703af21c741d034da8 4120
check cover_fixtures.py   2c08cb63ddfe8d5d86666efbcaffe3c5febd0e3e5dbe8f6bee38b4e8acfb9fd0 3831
check verify_cover.py     29c0f27efb607075d92bef04afb6f6b8fe5d735db85bd07c30b8979e77f79aeb 6425
check cli.py              302cd0343f8c11f4ff7f2ed49a1bcd2b62ec1155cf86ef004ed7bf763fd1ba49 1231
check check_cell_cover.py 1ef22f075b8c7fdeed81581e33b862abe15427f44e2cb447d5f670344f676ddb 14031
check part1.py            548d72b5a0f3eb6801547d5b57ffefeb39ff3987de64c6c6138241af82721f43 6963
check part2.py            de52cbe4bad71f50da12b44e6bb9909c1135aa4b9d278969a389edf86478fa85 7068

# Unchanged dependencies (AH004-GRAPH-E-v1 / AH004-REDUCTION-v1)
check graph_model.py      63827c5b36f191052194cba616617f1e03967304dc42d52b92fc866b39ef1610 8621
check verify_graph.py     2fa2785f60d9fda1f5c2bb63b7449ae7274cab774da33937ef10ca966d2f2dd6 3797
check reduction.py        5526efc7ac570b4fb09e1404f926b065f57ddec55e30bbbb93099bcd80b2d64e 6620
check reduction_fixtures.py e28513bce78884c4839c28283812d0cfdf32efc77ffbd488290bf5fc8df2ca59 3878
check reduction_oracle.py e729b6bf5c6dd7c4f497043a7164a6ad4dc273a9075686c33c7eab52c62c937a 2029

printf '\n'
if [ "$bad" = 0 ]; then echo 'All twelve files match their declared digests.'; fi
exit "$bad"