#!/usr/bin/env python
# -*- coding: UTF-8 -*-

# change those symbols to whatever you prefer
symbols = {'ahead of': '↑', 'behind': '↓', 'staged':'♦', 'changed':'‣', 'untracked':'…', 'clean':'⚡', 'unmerged':'≠', 'sha1':':'}

from subprocess import Popen, PIPE

output,error = Popen(['git','status'], stdout=PIPE, stderr=PIPE).communicate()

if error:
	import sys
	sys.exit(0)
lines = output.splitlines()

import re
behead_re = re.compile(r"^# Your branch is (ahead of|behind) '(.*)' by (\d+) commit")
diverge_re = re.compile(r"^# and have (\d+) and (\d+) different")

status = ''
staged = re.compile(r'^# Changes to be committed:$', re.MULTILINE)
changed = re.compile(r'^# Changed but not updated:$', re.MULTILINE)
untracked = re.compile(r'^# Untracked files:$', re.MULTILINE)
unmerged = re.compile(r'^# Unmerged paths:$', re.MULTILINE)

def execute(*command):
	out, err = Popen(*command, stdout=PIPE, stderr=PIPE).communicate()
	if not err:
		nb = len(out.splitlines())
	else:
		nb = '?'
	return nb

if staged.search(output):
	nb = execute(['git','diff','--staged','--name-only','--diff-filter=ACDMRT'])
	status += '%s%s' % (symbols['staged'], nb)
if unmerged.search(output):
	nb = execute(['git','diff', '--staged','--name-only', '--diff-filter=U'])
	status += '%s%s' % (symbols['unmerged'], nb)
if changed.search(output):
	nb = execute(['git','diff','--name-only', '--diff-filter=ACDMRT'])
	status += '%s%s' % (symbols['changed'], nb)
if untracked.search(output):
## 		nb = len(Popen(['git','ls-files','--others','--exclude-standard'],stdout=PIPE).communicate()[0].splitlines())
## 		status += "%s" % (symbols['untracked']*(nb//3 + 1), )
	status += symbols['untracked']
if status == '':
	status = symbols['clean']

remote = ''

bline = lines[0]
if bline.find('Not currently on any branch') != -1:
	branch = symbols['sha1']+ Popen(['git','rev-parse','--short','HEAD'], stdout=PIPE).communicate()[0][:-1]
else:
	branch = bline.split(' ')[3]
	bstatusline = lines[1]
	match = behead_re.match(bstatusline)
	if match:
		remote = symbols[match.groups()[0]]
		remote += match.groups()[2]
	elif lines[2:]:
		div_match = diverge_re.match(lines[2])
	 	if div_match:
			remote = "{behind}{1}{ahead of}{0}".format(*div_match.groups(), **symbols)

print '\n'.join([branch,remote,status])


#!/usr/bin/env python
# -*- coding: UTF-8 -*-

# change those symbols to whatever you prefer
symbols = {'ahead of': '↑', 'behind': '↓', 'prehash':':'}

from subprocess import Popen, PIPE

gitsym = Popen(['git', 'symbolic-ref', 'HEAD'], stdout=PIPE, stderr=PIPE)
branch, error = gitsym.communicate()

if error.find('fatal: Not a git repository') != -1:
	import sys
	sys.exit(0)

branch = branch.strip()[11:]


changed_files = [namestat[0] for namestat in Popen(['git','diff','--name-status'], stdout=PIPE).communicate()[0].splitlines()]
staged_files = [namestat[0] for namestat in Popen(['git','diff', '--staged','--name-status'], stdout=PIPE).communicate()[0].splitlines()]
nb_changed = len(changed_files) - changed_files.count('U')
nb_U = staged_files.count('U')
nb_staged = len(staged_files) - nb_U
staged = str(nb_staged)
conflicts = str(nb_U)
changed = str(nb_changed)
nb_untracked = len(Popen(['git','ls-files','--others','--exclude-standard'],stdout=PIPE).communicate()[0].splitlines())
untracked = str(nb_untracked)
if not nb_changed and not nb_staged and not nb_U and not nb_untracked:
	clean = '1'
else:
	clean = '0'

remote = ''

if not branch: # not on any branch
	branch = symbols['prehash']+ Popen(['git','rev-parse','--short','HEAD'], stdout=PIPE).communicate()[0][:-1]
else:
	remote_name = Popen(['git','config','branch.%s.remote' % branch], stdout=PIPE).communicate()[0].strip()
	if remote_name:
		merge_name = Popen(['git','config','branch.%s.merge' % branch], stdout=PIPE).communicate()[0].strip()
		if remote_name == '.': # local
			remote_ref = merge_name
		else:
			remote_ref = 'refs/remotes/%s/%s' % (remote_name, merge_name[11:])
		revgit = Popen(['git', 'rev-list', '--left-right', '%s...HEAD' % remote_ref],stdout=PIPE, stderr=PIPE)
		revlist = revgit.communicate()[0]
		if revgit.poll(): # fallback to local
			revlist = Popen(['git', 'rev-list', '--left-right', '%s...HEAD' % merge_name],stdout=PIPE, stderr=PIPE).communicate()[0]
		behead = revlist.splitlines()
		ahead = len([x for x in behead if x[0]=='>'])
		behind = len(behead) - ahead
		if behind:
			remote += '%s%s' % (symbols['behind'], behind)
		if ahead:
			remote += '%s%s' % (symbols['ahead of'], ahead)

out = '\n'.join([
	branch,
	remote,
	staged,
	conflicts,
	changed,
	untracked,
	clean])
print out


Update git-prompt.