| indygreg |
| hg-reviewers |
In an upcoming patch, we will be reusing this to read .hg/store/requires, so
let's separate it in a different function before.
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| if not sharedvfs.exists(): | if not sharedvfs.exists(): | ||||
| raise error.RepoError( | raise error.RepoError( | ||||
| _(b'.hg/sharedpath points to nonexistent directory %s') | _(b'.hg/sharedpath points to nonexistent directory %s') | ||||
| % sharedvfs.base | % sharedvfs.base | ||||
| ) | ) | ||||
| return sharedvfs | return sharedvfs | ||||
| def _readrequires(vfs, allowmissing): | |||||
| """ reads the require file present at root of this vfs | |||||
| and return a set of requirements | |||||
| If allowmissing is True, we suppress ENOENT if raised""" | |||||
| # requires file contains a newline-delimited list of | |||||
| # features/capabilities the opener (us) must have in order to use | |||||
| # the repository. This file was introduced in Mercurial 0.9.2, | |||||
| # which means very old repositories may not have one. We assume | |||||
| # a missing file translates to no requirements. | |||||
| try: | |||||
| requirements = set(vfs.read(b'requires').splitlines()) | |||||
| except IOError as e: | |||||
| if not (allowmissing and e.errno == errno.ENOENT): | |||||
| raise | |||||
| requirements = set() | |||||
| return requirements | |||||
| def makelocalrepository(baseui, path, intents=None): | def makelocalrepository(baseui, path, intents=None): | ||||
| """Create a local repository object. | """Create a local repository object. | ||||
| Given arguments needed to construct a local repository, this function | Given arguments needed to construct a local repository, this function | ||||
| performs various early repository loading functionality (such as | performs various early repository loading functionality (such as | ||||
| reading the ``.hg/requires`` and ``.hg/hgrc`` files), validates that | reading the ``.hg/requires`` and ``.hg/hgrc`` files), validates that | ||||
| the repository can be opened, derives a type suitable for representing | the repository can be opened, derives a type suitable for representing | ||||
| that repository, and returns an instance of it. | that repository, and returns an instance of it. | ||||
| except ValueError as e: | except ValueError as e: | ||||
| # Can be raised on Python 3.8 when path is invalid. | # Can be raised on Python 3.8 when path is invalid. | ||||
| raise error.Abort( | raise error.Abort( | ||||
| _(b'invalid path %s: %s') % (path, pycompat.bytestr(e)) | _(b'invalid path %s: %s') % (path, pycompat.bytestr(e)) | ||||
| ) | ) | ||||
| raise error.RepoError(_(b'repository %s not found') % path) | raise error.RepoError(_(b'repository %s not found') % path) | ||||
| # .hg/requires file contains a newline-delimited list of | requirements = _readrequires(hgvfs, True) | ||||
| # features/capabilities the opener (us) must have in order to use | |||||
| # the repository. This file was introduced in Mercurial 0.9.2, | |||||
| # which means very old repositories may not have one. We assume | |||||
| # a missing file translates to no requirements. | |||||
| try: | |||||
| requirements = set(hgvfs.read(b'requires').splitlines()) | |||||
| except IOError as e: | |||||
| if e.errno != errno.ENOENT: | |||||
| raise | |||||
| requirements = set() | |||||
| # The .hg/hgrc file may load extensions or contain config options | # The .hg/hgrc file may load extensions or contain config options | ||||
| # that influence repository construction. Attempt to load it and | # that influence repository construction. Attempt to load it and | ||||
| # process any new extensions that it may have pulled in. | # process any new extensions that it may have pulled in. | ||||
| if loadhgrc(ui, wdirvfs, hgvfs, requirements): | if loadhgrc(ui, wdirvfs, hgvfs, requirements): | ||||
| afterhgrcload(ui, wdirvfs, hgvfs, requirements) | afterhgrcload(ui, wdirvfs, hgvfs, requirements) | ||||
| extensions.loadall(ui) | extensions.loadall(ui) | ||||
| extensions.populateui(ui) | extensions.populateui(ui) | ||||