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	diff --git a/src/mergedictionaries/sources/git.py b/src/mergedictionaries/sources/git.py
	index 369b53c..36f5a6a 100644
	--- a/src/mergedictionaries/sources/git.py
	+++ b/src/mergedictionaries/sources/git.py
	@@ -1,147 +1,160 @@
	# -------------------------------------------------------------
	# Merge dictionaries :: Sources :: Git
	# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
	# Project: Nasqueron
	# Description: Fetch dictionaries from Git repository
	# License: BSD-2-Clause
	# -------------------------------------------------------------


	import hashlib
	import os
	import shutil
	import subprocess
	import tempfile


	# -------------------------------------------------------------
	# Manipulate a dictionary sync repository
	# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -


	class GitRepository:
	DICTIONARY_PATH = "dictionary.txt"

	def __init__(self, repository_remote, cached_repositories):
	self.remote = repository_remote
	self.cache = cached_repositories
	self.path = None

	self.prepare_repository()

	def get_cache_hash(self):
	return hashlib.md5(self.remote.encode("ascii")).hexdigest()

	def prepare_repository(self):
	cache_hash = self.get_cache_hash()

	try:
	self.path = self.cache[cache_hash]
	except KeyError:
	self.clone()
	self.cache[cache_hash] = self.path

	def get_dictionary_path(self):
	return os.path.join(self.path, self.DICTIONARY_PATH)

	def extract_words(self):
	return [word.strip() for word in open(self.get_dictionary_path())]

	def publish(self, tmp_dictionary_path):
	shutil.copy(tmp_dictionary_path, self.get_dictionary_path())

	if self.is_dirty():
	self.commit()
	self.push()

	# -------------------------------------------------------------
	# Git operations
	# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

	def is_dirty(self):
	checks = [
	# Detect empty repository
	["git", "show-ref", "HEAD"],
	# Detect index change
	["git", "diff-index", "--quiet", "HEAD", "--"],
	]

	for check_command in checks:
	process = subprocess.run(
	check_command,
	stderr=subprocess.DEVNULL,
	stdout=subprocess.DEVNULL,
	cwd=self.path,
	)

	if process.returncode > 0:
	return True

	return False

	+ @staticmethod
	+ def get_hostname():
	+ env_hostname_keys = [
	+ "HOST",
	+ "HOSTNAME",
	+ ]
	+ for key in env_hostname_keys:
	+ if key in os.environ:
	+ return os.environ[key]
	+
	+ return subprocess.run(["hostname"], capture_output=True).stdout.decode().strip()
	+
	@staticmethod
	def get_commit_message():
	- return f"Sync personal dictionary\n\nSync application: merge-dictionaries\nSync hostname: {os.environ['HOSTNAME']}"
	+ hostname = GitRepository.get_hostname()
	+ return f"Sync personal dictionary\n\nSync application: merge-dictionaries\nSync hostname: {hostname}"

	def run(self, commands):
	for command in commands:
	subprocess.run(
	command,
	cwd=self.path,
	)

	def commit(self):
	self.run(
	[
	# Detect empty repository
	["git", "add", self.DICTIONARY_PATH],
	# Detect index change
	["git", "commit", "-m", self.get_commit_message()],
	]
	)

	def push(self):
	self.run(
	[
	["git", "push", "origin", self.get_branch()],
	]
	)

	def clone(self):
	self.path = tempfile.mkdtemp(prefix="merge-dictionaries-")
	subprocess.run(["git", "clone", self.remote, self.path])

	def get_branch(self):
	return (
	subprocess.run(
	["git", "symbolic-ref", "--short", "HEAD"],
	cwd=self.path,
	capture_output=True,
	)
	.stdout.decode()
	.strip()
	)


	# -------------------------------------------------------------
	# Wrapper to read Git repositories
	# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -


	def extract_words_from_all_dictionaries(target_repos, cached_repos):
	return {
	word
	for repo in target_repos
	for word in GitRepository(repo, cached_repos).extract_words()
	}


	# -------------------------------------------------------------
	# Events
	# :: on_exit
	# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -


	def on_exit(cached_repos):
	for _, repository_path in cached_repos.items():
	shutil.rmtree(repository_path)

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