| hg-reviewers |
Making init the first function defined helps understanding the class much
better.
| Lint Skipped |
| Unit Tests Skipped |
| Path | Packages | |||
|---|---|---|---|---|
| M | mercurial/branchmap.py (29 lines) |
| Commit | Parents | Author | Summary | Date |
|---|---|---|---|---|
| Pulkit Goyal | Feb 11 2019, 7:34 AM |
| The first line is used to check if the cache is still valid. If the | The first line is used to check if the cache is still valid. If the | ||||
| branch cache is for a filtered repo view, an optional third hash is | branch cache is for a filtered repo view, an optional third hash is | ||||
| included that hashes the hashes of all filtered revisions. | included that hashes the hashes of all filtered revisions. | ||||
| The open/closed state is represented by a single letter 'o' or 'c'. | The open/closed state is represented by a single letter 'o' or 'c'. | ||||
| This field can be used to avoid changelog reads when determining if a | This field can be used to avoid changelog reads when determining if a | ||||
| branch head closes a branch or not. | branch head closes a branch or not. | ||||
| """ | """ | ||||
| def __init__(self, entries=(), tipnode=nullid, tiprev=nullrev, | |||||
| filteredhash=None, closednodes=None): | |||||
| super(branchcache, self).__init__(entries) | |||||
| self.tipnode = tipnode | |||||
| self.tiprev = tiprev | |||||
| self.filteredhash = filteredhash | |||||
| # closednodes is a set of nodes that close their branch. If the branch | |||||
| # cache has been updated, it may contain nodes that are no longer | |||||
| # heads. | |||||
| if closednodes is None: | |||||
| self._closednodes = set() | |||||
| else: | |||||
| self._closednodes = closednodes | |||||
| @classmethod | @classmethod | ||||
| def fromfile(cls, repo): | def fromfile(cls, repo): | ||||
| f = None | f = None | ||||
| try: | try: | ||||
| f = repo.cachevfs(cls._filename(repo)) | f = repo.cachevfs(cls._filename(repo)) | ||||
| lineiter = iter(f) | lineiter = iter(f) | ||||
| cachekey = next(lineiter).rstrip('\n').split(" ", 2) | cachekey = next(lineiter).rstrip('\n').split(" ", 2) | ||||
| last, lrev = cachekey[:2] | last, lrev = cachekey[:2] | ||||
| @staticmethod | @staticmethod | ||||
| def _filename(repo): | def _filename(repo): | ||||
| """name of a branchcache file for a given repo or repoview""" | """name of a branchcache file for a given repo or repoview""" | ||||
| filename = "branch2" | filename = "branch2" | ||||
| if repo.filtername: | if repo.filtername: | ||||
| filename = '%s-%s' % (filename, repo.filtername) | filename = '%s-%s' % (filename, repo.filtername) | ||||
| return filename | return filename | ||||
| def __init__(self, entries=(), tipnode=nullid, tiprev=nullrev, | |||||
| filteredhash=None, closednodes=None): | |||||
| super(branchcache, self).__init__(entries) | |||||
| self.tipnode = tipnode | |||||
| self.tiprev = tiprev | |||||
| self.filteredhash = filteredhash | |||||
| # closednodes is a set of nodes that close their branch. If the branch | |||||
| # cache has been updated, it may contain nodes that are no longer | |||||
| # heads. | |||||
| if closednodes is None: | |||||
| self._closednodes = set() | |||||
| else: | |||||
| self._closednodes = closednodes | |||||
| def validfor(self, repo): | def validfor(self, repo): | ||||
| """Is the cache content valid regarding a repo | """Is the cache content valid regarding a repo | ||||
| - False when cached tipnode is unknown or if we detect a strip. | - False when cached tipnode is unknown or if we detect a strip. | ||||
| - True when cache is up to date or a subset of current repo.""" | - True when cache is up to date or a subset of current repo.""" | ||||
| try: | try: | ||||
| return ((self.tipnode == repo.changelog.node(self.tiprev)) | return ((self.tipnode == repo.changelog.node(self.tiprev)) | ||||
| and (self.filteredhash == \ | and (self.filteredhash == \ | ||||