rana-cli/wakatime/projects/git.py

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2013-07-06 07:51:09 +00:00
# -*- coding: utf-8 -*-
"""
wakatime.projects.git
~~~~~~~~~~~~~~~~~~~~~
Information about the git project for a given file.
:copyright: (c) 2013 Alan Hamlett.
:license: BSD, see LICENSE for more details.
"""
import logging
import os
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import re
import sys
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from .base import BaseProject
from ..compat import u, open
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log = logging.getLogger('WakaTime')
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class Git(BaseProject):
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_submodule = None
_project_name = None
_head_file = None
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def process(self):
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return self._find_git_config_file(self.path)
def name(self):
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return u(self._project_name) if self._project_name else None
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def branch(self):
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head = self._head_file
if head:
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line = self._first_line_of_file(head)
if line is not None:
return self._get_branch_from_head_file(line)
return u('master')
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def _find_git_config_file(self, path):
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path = os.path.realpath(path)
if os.path.isfile(path):
path = os.path.split(path)[0]
if os.path.isfile(os.path.join(path, '.git', 'config')):
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self._project_name = os.path.basename(path)
self._head_file = os.path.join(path, '.git', 'HEAD')
return True
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link_path = self._path_from_gitdir_link_file(path)
if link_path:
# first check if this is a worktree
if self._is_worktree(link_path):
self._project_name = self._project_from_worktree(link_path)
self._head_file = os.path.join(link_path, 'HEAD')
return True
# next check if this is a submodule
if self._submodules_supported_for_path(path):
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self._project_name = os.path.basename(path)
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self._head_file = os.path.join(link_path, 'HEAD')
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return True
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split_path = os.path.split(path)
if split_path[1] == '':
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return False
return self._find_git_config_file(split_path[0])
def _get_branch_from_head_file(self, line):
if u(line.strip()).startswith('ref: '):
return u(line.strip().rsplit('/', 1)[-1])
return None
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def _submodules_supported_for_path(self, path):
if not self._configs:
return True
disabled = self._configs.get('submodules_disabled')
if disabled.strip().lower() == 'true':
return False
if disabled.strip().lower() == 'false':
return True
for pattern in disabled.split("\n"):
if pattern.strip():
try:
compiled = re.compile(pattern, re.IGNORECASE)
if compiled.search(path):
return False
except re.error as ex:
log.warning(u('Regex error ({msg}) for disable git submodules pattern: {pattern}').format(
msg=u(ex),
pattern=u(pattern),
))
return True
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def _is_worktree(self, link_path):
return os.path.basename(os.path.dirname(link_path)) == 'worktrees'
def _path_from_gitdir_link_file(self, path):
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link = os.path.join(path, '.git')
if not os.path.isfile(link):
return None
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line = self._first_line_of_file(link)
if line is not None:
return self._path_from_gitdir_string(path, line)
return None
def _path_from_gitdir_string(self, path, line):
if line.startswith('gitdir: '):
subpath = line[len('gitdir: '):].strip()
if os.path.isfile(os.path.join(path, subpath, 'HEAD')):
return os.path.realpath(os.path.join(path, subpath))
return None
def _project_from_worktree(self, link_path):
commondir = os.path.join(link_path, 'commondir')
if os.path.isfile(commondir):
line = self._first_line_of_file(commondir)
if line:
gitdir = os.path.abspath(os.path.join(link_path, line))
if os.path.basename(gitdir) == '.git':
return os.path.basename(os.path.dirname(gitdir))
return None
def _first_line_of_file(self, filepath):
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try:
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with open(filepath, 'r', encoding='utf-8') as fh:
return fh.readline().strip()
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except UnicodeDecodeError:
pass
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except IOError:
pass
try:
with open(filepath, 'r', encoding=sys.getfilesystemencoding()) as fh:
return fh.readline().strip()
except:
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log.traceback(logging.WARNING)
return None