LSSTApplications  10.0-2-g4f67435,11.0.rc2+1,11.0.rc2+12,11.0.rc2+3,11.0.rc2+4,11.0.rc2+5,11.0.rc2+6,11.0.rc2+7,11.0.rc2+8
LSSTDataManagementBasePackage
hg.py
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1 #
2 # A simple python interface to hg (Mercurial), using os.popen
3 # Based on the svn interface.
4 #
5 # If ever we want to do anything clever, we should use one of
6 # the supported svn/python packages
7 #
8 import os, re
9 from .. import state
10 from .. import utils
11 
13  """Guess a version name"""
14  version = "unknown"
15  if not os.path.exists(".hg"):
16  state.log.warn("Cannot guess version without .hg directory; will be set to '%s'." % version)
17  return version
18 
19  idents = utils.runExternal("hg id", fatal=True)
20  ident = re.split(r"\s+", idents)
21  if len(ident) == 0:
22  raise RuntimeError("Unable to determine hg version")
23 
24  if re.search(r"\+", ident[0]):
25  raise RuntimeError("Error with hg version: uncommitted changes")
26 
27  if len(ident) == 1:
28  # Somehow, this is all we've got...
29  return ident[0]
30 
31  # Prefer tag name to branch name; branch names get printed in parens
32  index = 1
33  while ident[index].startswith('(') and ident[index].endswith(')') and len(ident) > index + 1:
34  index += 1
35 
36  # Prefer hash to "tip"
37  if ident[index] == "tip":
38  return ident[0]
39 
40  return ident[index]
41 
43  """Return (fingerprint, modified) where fingerprint is the repository's SHA1"""
44  fingerprint, modified = "0x0", False
45  if not os.path.exists(".hg"):
46  state.log.warn("Cannot guess fingerprint without .hg directory; will be set to '%s'." % fingerprint)
47  else:
48  idents = utils.runExternal("hg id", fatal=True)
49  ident = re.split(r"\s+", idents)
50  if len(ident) == 0:
51  raise RuntimeError("Unable to determine hg version")
52 
53  fingerprint = utils.runExternal("hg ident --id", fatal=True).strip()
54  if re.search(r"\+", ident[0]):
55  modified = True
56 
57  return fingerprint, modified
def guessFingerprint
Definition: hg.py:42
def guessVersionName
Definition: hg.py:12