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import os
from .utils import do, trace, data_from_mime
from .version import meta, tags_to_versions
FILES_COMMAND = 'hg locate -I .'
def _hg_tagdist_normalize_tagcommit(root, tag, dist, node):
dirty = node.endswith('+')
node = node.strip('+')
st = do('hg st --no-status --change %s' % str(node), root)
trace('normalize', locals())
if int(dist) == 1 and st == '.hgtags' and not dirty:
return meta(tag)
else:
return meta(tag, distance=dist, node=node, dirty=dirty)
def parse(root):
l = do('hg id -i -t', root).split()
node = l.pop(0)
tags = tags_to_versions(l)
# filter tip in degraded mode on old setuptools
tags = [x for x in tags if x != 'tip']
dirty = node[-1] == '+'
if tags:
return meta(tags[0], dirty=dirty)
if node.strip('+') == '0'*12:
trace('initial node', root)
return meta('0.0', dirty=dirty)
# the newline is needed for merge stae, see issue 72
cmd = 'hg parents --template "{latesttag} {latesttagdistance}\n"'
out = do(cmd, root)
try:
# in merge state we assume parent 1 is fine
tag, dist = out.splitlines()[0].split()
if tag == 'null':
tag = '0.0'
dist = int(dist) + 1
return _hg_tagdist_normalize_tagcommit(root, tag, dist, node)
except ValueError:
pass # unpacking failed, old hg
def archival_to_version(data):
trace('data', data)
if 'tag' in data:
return meta(data['tag'])
elif 'latesttag' in data:
return meta(data['latesttag'],
distance=data['latesttagdistance'],
node=data['node'][:12])
else:
return meta('0.0', node=data.get('node', '')[:12])
def parse_archival(root):
archival = os.path.join(root, '.hg_archival.txt')
data = data_from_mime(archival)
return archival_to_version(data)
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