import os
from .utils import do, trace, data_from_mime, has_command
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 = 'h' + node.strip('+')
# Detect changes since the specified tag
revset = ("(branch(.)" # look for revisions in this branch only
" and tag({tag!r})::." # after the last tag
# ignore commits that only modify .hgtags and nothing else:
" and (merge() or file('re:^(?!\.hgtags).*$'))"
" and not tag({tag!r}))" # ignore the tagged commit itself
).format(tag=tag)
if tag != '0.0':
commits = do(['hg', 'log', '-r', revset, '--template', '{node|short}'],
root)
else:
commits = True
trace('normalize', locals())
if commits or dirty:
return meta(tag, distance=dist, node=node, dirty=dirty)
else:
return meta(tag)
[docs]def parse(root):
if not has_command('hg'):
return
identity_data = do('hg id -i -t', root).split()
if not identity_data:
return
node = identity_data.pop(0)
tags = tags_to_versions(identity_data)
# 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
tags, dist = out.splitlines()[0].split()
# pick latest tag from tag list
tag = tags.split(':')[-1]
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
[docs]def archival_to_version(data):
trace('data', data)
node = data.get('node', '')[:12]
if node:
node = 'h' + node
if 'tag' in data:
return meta(data['tag'])
elif 'latesttag' in data:
return meta(data['latesttag'],
distance=data['latesttagdistance'],
node=node)
else:
return meta('0.0', node=node)
[docs]def parse_archival(root):
archival = os.path.join(root, '.hg_archival.txt')
data = data_from_mime(archival)
return archival_to_version(data)