find files in adjacent directories with the same filenames and different contents

conflicts.sh

#!/bin/sh

find . -type f \( -name '*.c' -o -name '*.h' -o -name '*.py' \) \
    -not -name 'main*' \
    -not -name '__init__.py' \
    -not -name 'version.h' \
    -not -name 'ViewController.h' \
    -not -name 'AppDelegate.h' \
    -not -name 'test.c' \
    -not -name 'config.h' -exec cksum {} + |
python3 -c '
import os, sys, bisect, zlib, re
out = []
for line in sys.stdin:
    hash, size, path = line.split()
    name = os.path.basename(path)
    path = re.sub("\./", "", path)
    out.append((name + " " + str(os.stat(path).st_mtime), hash, path, name))

out.sort(reverse=True)

hashes_and_paths = {}
for key, hash, path, name in out:
    prior_hash, prior_path = hashes_and_paths.get(name, (None, None))
    if prior_hash is not None and prior_hash != hash:
        print("\033[31;1mwarning:\033[0m diff %s %s" % (path, prior_path))
    hashes_and_paths[name] = (hash, path)
'