unity-git-precommit-hook/pre-commit at master · mindcandy/unity-git-precommit-hook · GitHub

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#!/usr/bin/python

import os
import re
import subprocess
import sys
import glob
from os.path import basename

DIR = os.path.dirname(os.path.realpath(__file__))

def start():
	unityAssetFolder = DIR + "/../../Assets/"

	result = True
	result = check_files()

	if not result:
		sys.exit(1)

	sys.exit(0)

def check_files():
	addedAndDeleted = subprocess.check_output('git diff --cached --name-only --diff-filter=ARD'.split())

	result = True
	files = addedAndDeleted.split('\n')
	for singleFile in files:
		if singleFile == '':
			continue

		isInUnityAssetsDirectory = singleFile.startswith("Assets/")
		if not isInUnityAssetsDirectory:
			continue

		isMetaFile = singleFile.endswith(".meta")

		if isMetaFile:
			fileNameWithoutMeta = singleFile.replace(".meta", "");
			metaFilePointsToFolder = not os.path.isfile(fileNameWithoutMeta)

			if metaFilePointsToFolder:
				continue

			if not search_for_none_meta_with_folders(singleFile, files):
				return False
		else:
			if not search_for_meta_with_folders(singleFile, files):
				return False

	return result

def search_for_meta_with_folders(fileToCheck, files):
	searchingFor = fileToCheck + ".meta"
	for singleFile in files:
		if singleFile == searchingFor:
			if not search_for_directory_meta_files(fileToCheck, files):
				return False
			return True

	print "You tried to commit the file " + fileToCheck + " without " + searchingFor
	return False

def search_for_meta(fileToCheck, files):
	searchingFor = fileToCheck + ".meta"
	for singleFile in files:
		if singleFile == searchingFor:
			return True

	print "You tried to commit the file " + fileToCheck + " without " + searchingFor
	return False

def search_for_none_meta_with_folders(fileToCheck, files):
	searchingFor = fileToCheck.replace(".meta", "");
	for singleFile in files:
		if singleFile == searchingFor:
			if not search_for_directory_meta_files(fileToCheck, files):
				return False
			return True

	print "You tried to commit the file " + fileToCheck + " without " + searchingFor
	return False

def search_for_none_meta(fileToCheck, files):
	searchingFor = fileToCheck.replace(".meta", "");
	for singleFile in files:
		if singleFile == searchingFor:
			return True

	print "You tried to commit the file " + fileToCheck + " without " + searchingFor
	return False

def search_for_directory_meta_files(fileToCheck, files):
	initialDirectory = os.path.dirname(fileToCheck)
	while initialDirectory != '':
		absDirectory = os.path.abspath(initialDirectory) + "/"
		if(os.path.exists(absDirectory)):
			metaFile = initialDirectory + ".meta"
			returnCode = subprocess.call(["git", "ls-files", metaFile, "--error-unmatch"])
			if returnCode != 0:
				# this isn't checked in, ensure it's in our commit
				if not search_for_meta(initialDirectory, files):
					print "Added " + initialDirectory + " without " + initialDirectory + ".meta"
					return False

		split = initialDirectory.rsplit('/', True)
		if split[0] == initialDirectory:
			break
		if split[0] == "Assets":
			break

		initialDirectory = split[0]

	return True

start()