Mercurial > hg
view tests/flagprocessorext.py @ 38952:0e58c5b20745
mergetool: warn if ui.merge points to nonexistent tool
This adds a warning when ui.merge is configured but points to an
executable that doesn't exist. It gets printed once per fail, but that
seems to be how our other warnings about merge tools are reported.
Differential Revision: https://phab.mercurial-scm.org/D3975
author | Martin von Zweigbergk <martinvonz@google.com> |
---|---|
date | Mon, 23 Jul 2018 22:51:53 -0700 |
parents | 9d4f09bfe3ec |
children | fad627d2047c |
line wrap: on
line source
# coding=UTF-8 from __future__ import absolute_import import base64 import zlib from mercurial import ( changegroup, exchange, extensions, revlog, util, ) # Test only: These flags are defined here only in the context of testing the # behavior of the flag processor. The canonical way to add flags is to get in # touch with the community and make them known in revlog. REVIDX_NOOP = (1 << 3) REVIDX_BASE64 = (1 << 2) REVIDX_GZIP = (1 << 1) REVIDX_FAIL = 1 def validatehash(self, text): return True def bypass(self, text): return False def noopdonothing(self, text): return (text, True) def b64encode(self, text): return (base64.b64encode(text), False) def b64decode(self, text): return (base64.b64decode(text), True) def gzipcompress(self, text): return (zlib.compress(text), False) def gzipdecompress(self, text): return (zlib.decompress(text), True) def supportedoutgoingversions(orig, repo): versions = orig(repo) versions.discard(b'01') versions.discard(b'02') versions.add(b'03') return versions def allsupportedversions(orig, ui): versions = orig(ui) versions.add(b'03') return versions def makewrappedfile(obj): class wrappedfile(obj.__class__): def addrevision(self, text, transaction, link, p1, p2, cachedelta=None, node=None, flags=revlog.REVIDX_DEFAULT_FLAGS): if b'[NOOP]' in text: flags |= REVIDX_NOOP if b'[BASE64]' in text: flags |= REVIDX_BASE64 if b'[GZIP]' in text: flags |= REVIDX_GZIP # This addrevision wrapper is meant to add a flag we will not have # transforms registered for, ensuring we handle this error case. if b'[FAIL]' in text: flags |= REVIDX_FAIL return super(wrappedfile, self).addrevision(text, transaction, link, p1, p2, cachedelta=cachedelta, node=node, flags=flags) obj.__class__ = wrappedfile def reposetup(ui, repo): class wrappingflagprocessorrepo(repo.__class__): def file(self, f): orig = super(wrappingflagprocessorrepo, self).file(f) makewrappedfile(orig) return orig repo.__class__ = wrappingflagprocessorrepo def extsetup(ui): # Enable changegroup3 for flags to be sent over the wire wrapfunction = extensions.wrapfunction wrapfunction(changegroup, 'supportedoutgoingversions', supportedoutgoingversions) wrapfunction(changegroup, 'allsupportedversions', allsupportedversions) # Teach revlog about our test flags flags = [REVIDX_NOOP, REVIDX_BASE64, REVIDX_GZIP, REVIDX_FAIL] revlog.REVIDX_KNOWN_FLAGS |= util.bitsfrom(flags) revlog.REVIDX_FLAGS_ORDER.extend(flags) # Teach exchange to use changegroup 3 for k in exchange._bundlespeccontentopts.keys(): exchange._bundlespeccontentopts[k]["cg.version"] = "03" # Register flag processors for each extension revlog.addflagprocessor( REVIDX_NOOP, ( noopdonothing, noopdonothing, validatehash, ) ) revlog.addflagprocessor( REVIDX_BASE64, ( b64decode, b64encode, bypass, ), ) revlog.addflagprocessor( REVIDX_GZIP, ( gzipdecompress, gzipcompress, bypass ) )