#!/usr/bin/env python

import subprocess

def print_log(full_log):
	full_log_lines = full_log.split("\n")

	commits = []

	commit_bit = "commit "
	author_bit = "Author: "
	date_bit = "Date: "

	commit = None
	for line in full_log_lines:

		if line[0:len(commit_bit)] == commit_bit:
			if commit:
				commits.append(commit)
			commit = {'text':''}
		handled = False
		for bit in [commit_bit, author_bit, date_bit]:
			if line[0:len(bit)] == bit:
				commit[bit] = line
				handled = True
		if not handled:
			commit['text'] += line

	commits.append(commit)

	contributions = []

	for commit in commits:
		if not "git@kismith.co.uk" in commit[author_bit] and not "git@el-tramo.be" in commit[author_bit]:
			contributions.append(commit)

	#print contributions
	contributors = {}
	for commit in contributions:
		if not commit[author_bit] in contributors:
			contributors[commit[author_bit]] = []
		contributors[commit[author_bit]].append(commit[commit_bit])

	for contributor in contributors:
		print contributor + " has contributed patches " + ", ".join([commit[len(commit_bit):] for commit in contributors[contributor]])

full_swiften_log = subprocess.check_output(["git", "log", "--", "Swiften"])

print "Contributors for Swiften/ subtree:\n"
print_log(full_swiften_log)

full_all_log = subprocess.check_output(["git", "log"])

print "\n\n\n\n"

print "Contributors for full tree:\n"
print_log(full_all_log)