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Merge pull request #1942 from xonsh/vc

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get_hg_status runs 'hg root'
This commit is contained in:
Konstantinos Tsakiltzidis 2016-11-13 15:57:04 +02:00 • committed by GitHub
commit 5d3f0688a0
2 changed files with 7 additions and 22 deletions
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2
news/hg_branch.rst
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@ -4,7 +4,7 @@
**Changed:**
* ``get_hg_branch`` runs ``hg status`` first to check if we are in a repo
* ``get_hg_branch`` runs ``hg root`` to find root dir and check if we're in repo
**Deprecated:** None

27
xonsh/prompt/vc_branch.py
View file

@ -4,7 +4,6 @@
import os
import sys
import time
import queue
import builtins
import warnings
@ -55,36 +54,22 @@ def get_git_branch():
return branch
def _get_parent_dir_for(path, dir_name, timeout):
# walk up the directory tree to see if we are inside an hg repo
# the timeout makes sure that we don't thrash the file system
previous_path = ''
t0 = time.time()
while path != previous_path and ((time.time() - t0) < timeout):
if os.path.isdir(os.path.join(path, dir_name)):
return path
previous_path = path
path, _ = os.path.split(path)
return path == previous_path
def get_hg_branch(root=None):
"""Try to get the mercurial branch of the current directory,
return None if not in a repo or subprocess.TimeoutExpired if timed out.
"""
env = builtins.__xonsh_env__
timeout = env['VC_BRANCH_TIMEOUT']
# Bail if we are not in a repo or we timed out
try:
status = subprocess.call(['hg', 'status'], timeout=timeout,
stdout=subprocess.DEVNULL,
stderr=subprocess.DEVNULL)
root = subprocess.check_output(['hg', 'root'], timeout=timeout,
stderr=subprocess.DEVNULL)
except subprocess.TimeoutExpired:
return subprocess.TimeoutExpired(['hg'], timeout)
except subprocess.CalledProcessError:
# not in repo
return None
else:
if status == 255:
return None
root = _get_parent_dir_for(env['PWD'], '.hg', timeout)
root = xt.decode_bytes(root)
if env.get('VC_HG_SHOW_BRANCH'):
# get branch name
branch_path = os.path.sep.join([root, '.hg', 'branch'])