Mercurial > hg
view mercurial/rcutil.py @ 51491:dd5b5f99940d
branchcache: do not copy the `_dirty` flag
If the inherited branch cache is dirty, it will be written on disk, and the
super-set did not need to modify it, the on disk value for the subset will be
re-useable as is. So the super set does not needs to write the very same content
itself.
author | Pierre-Yves David <pierre-yves.david@octobus.net> |
---|---|
date | Fri, 08 Mar 2024 16:49:06 +0100 |
parents | 6000f5b25c9b |
children |
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# rcutil.py - utilities about config paths, special config sections etc. # # Copyright Mercurial Contributors # # This software may be used and distributed according to the terms of the # GNU General Public License version 2 or any later version. import os from . import ( encoding, pycompat, util, ) from .utils import resourceutil if pycompat.iswindows: from . import scmwindows as scmplatform else: from . import scmposix as scmplatform fallbackpager = scmplatform.fallbackpager systemrcpath = scmplatform.systemrcpath userrcpath = scmplatform.userrcpath def _expandrcpath(path): '''path could be a file or a directory. return a list of file paths''' p = util.expandpath(path) if os.path.isdir(p): join = os.path.join return sorted( join(p, f) for f, k in util.listdir(p) if f.endswith(b'.rc') ) return [p] def envrcitems(env=None): """Return [(section, name, value, source)] config items. The config items are extracted from environment variables specified by env, used to override systemrc, but not userrc. If env is not provided, encoding.environ will be used. """ if env is None: env = encoding.environ checklist = [ (b'EDITOR', b'ui', b'editor'), (b'VISUAL', b'ui', b'editor'), (b'PAGER', b'pager', b'pager'), ] result = [] for envname, section, configname in checklist: if envname not in env: continue result.append((section, configname, env[envname], b'$%s' % envname)) return result def default_rc_resources(): """return rc resource IDs in defaultrc""" rsrcs = resourceutil.contents(b'mercurial.defaultrc') return [ (b'mercurial.defaultrc', r) for r in sorted(rsrcs) if resourceutil.is_resource(b'mercurial.defaultrc', r) and r.endswith(b'.rc') ] def rccomponents(): """return an ordered [(type, obj)] about where to load configs. respect $HGRCPATH. if $HGRCPATH is empty, only .hg/hgrc of current repo is used. if $HGRCPATH is not set, the platform default will be used. if a directory is provided, *.rc files under it will be used. type could be either 'path', 'items' or 'resource'. If type is 'path', obj is a string, and is the config file path. if type is 'items', obj is a list of (section, name, value, source) that should fill the config directly. If type is 'resource', obj is a tuple of (package name, resource name). """ envrc = (b'items', envrcitems()) if b'HGRCPATH' in encoding.environ: # assume HGRCPATH is all about user configs so environments can be # overridden. _rccomponents = [envrc] for p in encoding.environ[b'HGRCPATH'].split(pycompat.ospathsep): if not p: continue _rccomponents.extend((b'path', p) for p in _expandrcpath(p)) else: _rccomponents = [(b'resource', r) for r in default_rc_resources()] normpaths = lambda paths: [ (b'path', os.path.normpath(p)) for p in paths ] _rccomponents.extend(normpaths(systemrcpath())) _rccomponents.append(envrc) _rccomponents.extend(normpaths(userrcpath())) return _rccomponents def defaultpagerenv(): """return a dict of default environment variables and their values, intended to be set before starting a pager. """ return {b'LESS': b'FRX', b'LV': b'-c'} def use_repo_hgrc(): """True if repositories `.hg/hgrc` config should be read""" return b'HGRCSKIPREPO' not in encoding.environ