| indygreg |
| hg-reviewers |
Revlog version "2" support sidedata, previous version does not. So lets make the
initialization simpler.
| Automatic diff as part of commit; lint not applicable. |
| Automatic diff as part of commit; unit tests not applicable. |
| Path | Packages | |||
|---|---|---|---|---|
| M | mercurial/revlog.py (4 lines) |
| # Mapping of partial identifiers to full nodes. | # Mapping of partial identifiers to full nodes. | ||||
| self._pcache = {} | self._pcache = {} | ||||
| # Mapping of revision integer to full node. | # Mapping of revision integer to full node. | ||||
| self._compengine = b'zlib' | self._compengine = b'zlib' | ||||
| self._compengineopts = {} | self._compengineopts = {} | ||||
| self._maxdeltachainspan = -1 | self._maxdeltachainspan = -1 | ||||
| self._withsparseread = False | self._withsparseread = False | ||||
| self._sparserevlog = False | self._sparserevlog = False | ||||
| self.hassidedata = False | |||||
| self._srdensitythreshold = 0.50 | self._srdensitythreshold = 0.50 | ||||
| self._srmingapsize = 262144 | self._srmingapsize = 262144 | ||||
| # Make copy of flag processors so each revlog instance can support | # Make copy of flag processors so each revlog instance can support | ||||
| # custom flags. | # custom flags. | ||||
| self._flagprocessors = dict(flagutil.flagprocessors) | self._flagprocessors = dict(flagutil.flagprocessors) | ||||
| # 2-tuple of file handles being used for active writing. | # 2-tuple of file handles being used for active writing. | ||||
| if b'zlib.level' in opts: | if b'zlib.level' in opts: | ||||
| self._compengineopts[b'zlib.level'] = opts[b'zlib.level'] | self._compengineopts[b'zlib.level'] = opts[b'zlib.level'] | ||||
| if b'zstd.level' in opts: | if b'zstd.level' in opts: | ||||
| self._compengineopts[b'zstd.level'] = opts[b'zstd.level'] | self._compengineopts[b'zstd.level'] = opts[b'zstd.level'] | ||||
| if b'maxdeltachainspan' in opts: | if b'maxdeltachainspan' in opts: | ||||
| self._maxdeltachainspan = opts[b'maxdeltachainspan'] | self._maxdeltachainspan = opts[b'maxdeltachainspan'] | ||||
| if self._mmaplargeindex and b'mmapindexthreshold' in opts: | if self._mmaplargeindex and b'mmapindexthreshold' in opts: | ||||
| mmapindexthreshold = opts[b'mmapindexthreshold'] | mmapindexthreshold = opts[b'mmapindexthreshold'] | ||||
| self.hassidedata = bool(opts.get(b'side-data', False)) | |||||
| self._sparserevlog = bool(opts.get(b'sparse-revlog', False)) | self._sparserevlog = bool(opts.get(b'sparse-revlog', False)) | ||||
| withsparseread = bool(opts.get(b'with-sparse-read', False)) | withsparseread = bool(opts.get(b'with-sparse-read', False)) | ||||
| # sparse-revlog forces sparse-read | # sparse-revlog forces sparse-read | ||||
| self._withsparseread = self._sparserevlog or withsparseread | self._withsparseread = self._sparserevlog or withsparseread | ||||
| if b'sparse-read-density-threshold' in opts: | if b'sparse-read-density-threshold' in opts: | ||||
| self._srdensitythreshold = opts[b'sparse-read-density-threshold'] | self._srdensitythreshold = opts[b'sparse-read-density-threshold'] | ||||
| if b'sparse-read-min-gap-size' in opts: | if b'sparse-read-min-gap-size' in opts: | ||||
| self._srmingapsize = opts[b'sparse-read-min-gap-size'] | self._srmingapsize = opts[b'sparse-read-min-gap-size'] | ||||
| # There is a bug in the transaction handling when going from an | # There is a bug in the transaction handling when going from an | ||||
| # inline revlog to a separate index and data file. Turn it off until | # inline revlog to a separate index and data file. Turn it off until | ||||
| # it's fixed, since v2 revlogs sometimes get rewritten on exchange. | # it's fixed, since v2 revlogs sometimes get rewritten on exchange. | ||||
| # See issue6485 | # See issue6485 | ||||
| self._inline = False | self._inline = False | ||||
| # generaldelta implied by version 2 revlogs. | # generaldelta implied by version 2 revlogs. | ||||
| self._generaldelta = True | self._generaldelta = True | ||||
| # revlog-v2 has built in sidedata support | |||||
| self.hassidedata = True | |||||
| else: | else: | ||||
| msg = _(b'unknown version (%d) in revlog %s') | msg = _(b'unknown version (%d) in revlog %s') | ||||
| msg %= (self._format_version, self.display_id) | msg %= (self._format_version, self.display_id) | ||||
| raise error.RevlogError(msg) | raise error.RevlogError(msg) | ||||
| index_data = entry_data | index_data = entry_data | ||||
| self._indexfile = entry_point | self._indexfile = entry_point | ||||