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#!/usr/bin/env python
from __future__ import print_function
# change this symbol to whatever you prefer
prehash = ':'
import subprocess
from subprocess import Popen, PIPE
import sys
gitsym = Popen(['git', 'symbolic-ref', 'HEAD'], stdout=PIPE, stderr=PIPE)
branch, error = gitsym.communicate()
error_string = error.decode('utf-8')
if 'fatal: Not a git repository' in error_string:
sys.exit(0)
branch = branch.decode("utf-8").strip()[11:]
# Get git status (staged, change, conflicts and untracked)
try:
res = subprocess.check_output(['git', 'status', '--porcelain'])
except subprocess.CalledProcessError:
sys.exit(0)
status = [(st[0], st[1], st[2:]) for st in res.splitlines()]
untracked, staged, changed, conflicts = [], [], [], []
for st in status:
if st[0] == '?' and st[1] == '?':
untracked.append(st)
else:
if st[1] == 'M':
changed.append(st)
if st[0] == 'U':
conflicts.append(st)
elif st[0] != ' ':
staged.append(st)
ahead, behind = 0,0
if not branch: # not on any branch
branch = prehash + Popen(['git','rev-parse','--short','HEAD'], stdout=PIPE).communicate()[0].decode("utf-8")[:-1]
else:
remote_name = Popen(['git','config','branch.%s.remote' % branch], stdout=PIPE).communicate()[0].decode("utf-8").strip()
if remote_name:
merge_name = Popen(['git','config','branch.%s.merge' % branch], stdout=PIPE).communicate()[0].decode("utf-8").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.decode("utf-8").splitlines()
ahead = len([x for x in behead if x[0]=='>'])
behind = len(behead) - ahead
out = ' '.join([
branch,
str(ahead),
str(behind),
str(len(staged)),
str(len(conflicts)),
str(len(changed)),
str(len(untracked)),
])
print(out, end='')
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