my.zsh/plugins/git-prompt-plugin/gitstatus.py

98 lines
2.8 KiB
Python

#!/usr/bin/env python
from __future__ import print_function
import os
import sys
import re
from subprocess import Popen, PIPE, check_output
def get_tagname_or_hash():
"""return tagname if exists else hash"""
# get hash
hash_cmd = ["git", "rev-parse", "--short", "HEAD"]
hash_ = check_output(hash_cmd).strip()
# get tagname
tags_cmd = [
"git",
"for-each-ref",
"--points-at=HEAD",
"--count=2",
"--sort=-version:refname",
"--format=%(refname:short)",
"refs/tags",
]
tags = check_output(tags_cmd).split()
if tags:
return tags[0] + ("+" if len(tags) > 1 else "")
elif hash_:
return hash_
return None
# `git status --porcelain --branch` can collect all information
# branch, remote_branch, untracked, staged, changed, conflicts, ahead, behind
po = Popen(
["git", "status", "--porcelain", "--branch"],
env=dict(os.environ, LANG="C"),
stdout=PIPE,
stderr=PIPE,
)
stdout, sterr = po.communicate()
if po.returncode != 0:
sys.exit(0) # Not a git repository
# collect git status information
untracked, staged, changed, conflicts = [], [], [], []
ahead, behind = 0, 0
status = [(line[0], line[1], line[2:]) for line in stdout.decode("utf-8").splitlines()]
for st in status:
if st[0] == "#" and st[1] == "#":
if re.search("Initial commit on", st[2]) or re.search(
"No commits yet on", st[2]
):
branch = st[2].split(" ")[-1]
elif re.search("no branch", st[2]): # detached status
branch = get_tagname_or_hash()
elif len(st[2].strip().split("...")) == 1:
branch = st[2].strip()
else:
# current and remote branch info
branch, rest = st[2].strip().split("...")
if len(rest.split(" ")) == 1:
# remote_branch = rest.split(' ')[0]
pass
else:
# ahead or behind
divergence = " ".join(rest.split(" ")[1:])
divergence = divergence.lstrip("[").rstrip("]")
for div in divergence.split(", "):
if "ahead" in div:
ahead = int(div[len("ahead ") :].strip())
elif "behind" in div:
behind = int(div[len("behind ") :].strip())
elif 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)
out = " ".join(
[
branch,
str(ahead),
str(behind),
str(len(staged)),
str(len(conflicts)),
str(len(changed)),
str(len(untracked)),
]
)
print(out, end="")