author | Na'Tosha Bard <natosha@unity3d.com> |
Thu, 13 Oct 2011 12:11:25 +0200 | |
changeset 15250 | f172292cd416 |
parent 15224 | 7c604d8c7e83 |
child 15252 | 6e809bb4f969 |
permissions | -rw-r--r-- |
15168 | 1 |
# Copyright 2009-2010 Gregory P. Ward |
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# Copyright 2009-2010 Intelerad Medical Systems Incorporated |
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# Copyright 2010-2011 Fog Creek Software |
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# Copyright 2010-2011 Unity Technologies |
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# |
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# This software may be used and distributed according to the terms of the |
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# GNU General Public License version 2 or any later version. |
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'''setup for largefiles repositories: reposetup''' |
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import copy |
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import types |
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import os |
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import re |
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from mercurial import context, error, manifest, match as match_, \ |
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node, util |
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from mercurial.i18n import _ |
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import lfcommands |
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import proto |
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import lfutil |
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def reposetup(ui, repo): |
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# wire repositories should be given new wireproto functions but not the |
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# other largefiles modifications |
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if not repo.local(): |
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return proto.wirereposetup(ui, repo) |
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for name in ('status', 'commitctx', 'commit', 'push'): |
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method = getattr(repo, name) |
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#if not (isinstance(method, types.MethodType) and |
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# method.im_func is repo.__class__.commitctx.im_func): |
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if isinstance(method, types.FunctionType) and method.func_name == \ |
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'wrap': |
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ui.warn(_('largefiles: repo method %r appears to have already been' |
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' wrapped by another extension: ' |
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'largefiles may behave incorrectly\n') |
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% name) |
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class lfiles_repo(repo.__class__): |
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lfstatus = False |
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def status_nolfiles(self, *args, **kwargs): |
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return super(lfiles_repo, self).status(*args, **kwargs) |
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# When lfstatus is set, return a context that gives the names of lfiles |
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# instead of their corresponding standins and identifies the lfiles as |
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# always binary, regardless of their actual contents. |
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def __getitem__(self, changeid): |
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ctx = super(lfiles_repo, self).__getitem__(changeid) |
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if self.lfstatus: |
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class lfiles_manifestdict(manifest.manifestdict): |
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def __contains__(self, filename): |
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if super(lfiles_manifestdict, |
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self).__contains__(filename): |
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return True |
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return super(lfiles_manifestdict, |
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self).__contains__(lfutil.shortname+'/' + filename) |
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class lfiles_ctx(ctx.__class__): |
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def files(self): |
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filenames = super(lfiles_ctx, self).files() |
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parents:
15168
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changeset
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return [re.sub('^\\'+lfutil.shortname+'/', '', |
c1a4a3220711
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filename) for filename in filenames] |
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def manifest(self): |
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man1 = super(lfiles_ctx, self).manifest() |
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man1.__class__ = lfiles_manifestdict |
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return man1 |
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def filectx(self, path, fileid=None, filelog=None): |
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try: |
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result = super(lfiles_ctx, self).filectx(path, |
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fileid, filelog) |
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except error.LookupError: |
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# Adding a null character will cause Mercurial to |
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# identify this as a binary file. |
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result = super(lfiles_ctx, self).filectx( |
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lfutil.shortname + '/' + path, fileid, |
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filelog) |
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olddata = result.data |
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result.data = lambda: olddata() + '\0' |
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return result |
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ctx.__class__ = lfiles_ctx |
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return ctx |
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# Figure out the status of big files and insert them into the |
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# appropriate list in the result. Also removes standin files from |
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# the listing. This function reverts to the original status if |
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# self.lfstatus is False |
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def status(self, node1='.', node2=None, match=None, ignored=False, |
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clean=False, unknown=False, listsubrepos=False): |
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listignored, listclean, listunknown = ignored, clean, unknown |
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if not self.lfstatus: |
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try: |
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return super(lfiles_repo, self).status(node1, node2, match, |
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listignored, listclean, listunknown, listsubrepos) |
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except TypeError: |
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return super(lfiles_repo, self).status(node1, node2, match, |
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listignored, listclean, listunknown) |
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else: |
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# some calls in this function rely on the old version of status |
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self.lfstatus = False |
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if isinstance(node1, context.changectx): |
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ctx1 = node1 |
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else: |
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ctx1 = repo[node1] |
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if isinstance(node2, context.changectx): |
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ctx2 = node2 |
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else: |
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ctx2 = repo[node2] |
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working = ctx2.rev() is None |
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parentworking = working and ctx1 == self['.'] |
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def inctx(file, ctx): |
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try: |
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if ctx.rev() is None: |
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return file in ctx.manifest() |
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ctx[file] |
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return True |
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except KeyError: |
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return False |
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# create a copy of match that matches standins instead of |
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# lfiles if matcher not set then it is the always matcher so |
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# overwrite that |
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if match is None: |
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match = match_.always(self.root, self.getcwd()) |
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def tostandin(file): |
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if inctx(lfutil.standin(file), ctx2): |
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return lfutil.standin(file) |
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return file |
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m = copy.copy(match) |
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m._files = [tostandin(f) for f in m._files] |
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# get ignored clean and unknown but remove them later if they |
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# were not asked for |
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try: |
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result = super(lfiles_repo, self).status(node1, node2, m, |
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True, True, True, listsubrepos) |
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except TypeError: |
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result = super(lfiles_repo, self).status(node1, node2, m, |
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True, True, True) |
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if working: |
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# Hold the wlock while we read lfiles and update the |
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# lfdirstate |
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wlock = repo.wlock() |
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try: |
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# Any non lfiles that were explicitly listed must be |
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# taken out or lfdirstate.status will report an error. |
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# The status of these files was already computed using |
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# super's status. |
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lfdirstate = lfutil.openlfdirstate(ui, self) |
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match._files = [f for f in match._files if f in |
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lfdirstate] |
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s = lfdirstate.status(match, [], listignored, |
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listclean, listunknown) |
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(unsure, modified, added, removed, missing, unknown, |
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ignored, clean) = s |
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if parentworking: |
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for lfile in unsure: |
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if ctx1[lfutil.standin(lfile)].data().strip() \ |
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!= lfutil.hashfile(self.wjoin(lfile)): |
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modified.append(lfile) |
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else: |
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clean.append(lfile) |
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lfdirstate.normal(lfile) |
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lfdirstate.write() |
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else: |
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tocheck = unsure + modified + added + clean |
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modified, added, clean = [], [], [] |
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for lfile in tocheck: |
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standin = lfutil.standin(lfile) |
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if inctx(standin, ctx1): |
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if ctx1[standin].data().strip() != \ |
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lfutil.hashfile(self.wjoin(lfile)): |
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modified.append(lfile) |
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else: |
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clean.append(lfile) |
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else: |
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added.append(lfile) |
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finally: |
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wlock.release() |
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for standin in ctx1.manifest(): |
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if not lfutil.isstandin(standin): |
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continue |
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lfile = lfutil.splitstandin(standin) |
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if not match(lfile): |
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continue |
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if lfile not in lfdirstate: |
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removed.append(lfile) |
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# Handle unknown and ignored differently |
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lfiles = (modified, added, removed, missing, [], [], clean) |
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result = list(result) |
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# Unknown files |
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result[4] = [f for f in unknown if repo.dirstate[f] == '?'\ |
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and not lfutil.isstandin(f)] |
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# Ignored files must be ignored by both the dirstate and |
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# lfdirstate |
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result[5] = set(ignored).intersection(set(result[5])) |
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# combine normal files and lfiles |
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normals = [[fn for fn in filelist if not \ |
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lfutil.isstandin(fn)] for filelist in result] |
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result = [sorted(list1 + list2) for (list1, list2) in \ |
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zip(normals, lfiles)] |
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else: |
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def toname(f): |
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if lfutil.isstandin(f): |
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return lfutil.splitstandin(f) |
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return f |
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result = [[toname(f) for f in items] for items in result] |
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if not listunknown: |
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result[4] = [] |
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if not listignored: |
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result[5] = [] |
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if not listclean: |
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result[6] = [] |
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self.lfstatus = True |
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return result |
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# This call happens after a commit has occurred. Copy all of the lfiles |
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# into the cache |
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def commitctx(self, *args, **kwargs): |
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node = super(lfiles_repo, self).commitctx(*args, **kwargs) |
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ctx = self[node] |
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for filename in ctx.files(): |
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if lfutil.isstandin(filename) and filename in ctx.manifest(): |
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realfile = lfutil.splitstandin(filename) |
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lfutil.copytocache(self, ctx.node(), realfile) |
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return node |
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# This call happens before a commit has occurred. The lfile standins |
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# have not had their contents updated (to reflect the hash of their |
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# lfile). Do that here. |
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def commit(self, text="", user=None, date=None, match=None, |
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force=False, editor=False, extra={}): |
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orig = super(lfiles_repo, self).commit |
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wlock = repo.wlock() |
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try: |
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if getattr(repo, "_isrebasing", False): |
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# We have to take the time to pull down the new lfiles now. |
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# Otherwise if we are rebasing, any lfiles that were |
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# modified in the changesets we are rebasing on top of get |
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# overwritten either by the rebase or in the first commit |
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# after the rebase. |
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lfcommands.updatelfiles(repo.ui, repo) |
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# Case 1: user calls commit with no specific files or |
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15250
f172292cd416
largefiles: speed up commit by only rewriting standins for modified largefiles
Na'Tosha Bard <natosha@unity3d.com>
parents:
15224
diff
changeset
|
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# include/exclude patterns: refresh and commit all files that |
f172292cd416
largefiles: speed up commit by only rewriting standins for modified largefiles
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parents:
15224
diff
changeset
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# are "dirty". |
15168 | 253 |
if (match is None) or (not match.anypats() and not \ |
254 |
match.files()): |
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15250
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largefiles: speed up commit by only rewriting standins for modified largefiles
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parents:
15224
diff
changeset
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# Spend a bit of time here to get a list of files we know |
f172292cd416
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parents:
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# are modified so we can compare only against those. |
f172292cd416
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parents:
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# It can cost a lot of time (several seconds) |
f172292cd416
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# otherwise to update all standins if the largefiles are |
f172292cd416
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parents:
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# large. |
f172292cd416
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parents:
15224
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lfdirstate = lfutil.openlfdirstate(ui, self) |
f172292cd416
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dirtymatch = match_.always(repo.root, repo.getcwd()) |
f172292cd416
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parents:
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s = lfdirstate.status(dirtymatch, [], False, False, False) |
f172292cd416
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parents:
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|
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modifiedfiles = [] |
f172292cd416
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parents:
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|
264 |
for i in s: |
f172292cd416
largefiles: speed up commit by only rewriting standins for modified largefiles
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parents:
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|
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modifiedfiles.extend(i) |
15168 | 266 |
lfiles = lfutil.listlfiles(self) |
267 |
# this only loops through lfiles that exist (not |
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# removed/renamed) |
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for lfile in lfiles: |
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15250
f172292cd416
largefiles: speed up commit by only rewriting standins for modified largefiles
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parents:
15224
diff
changeset
|
270 |
if lfile in modifiedfiles: |
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parents:
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if os.path.exists(self.wjoin(lfutil.standin(lfile))): |
f172292cd416
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parents:
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# this handles the case where a rebase is being |
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# performed and the working copy is not updated |
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274 |
# yet. |
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275 |
if os.path.exists(self.wjoin(lfile)): |
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parents:
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276 |
lfutil.updatestandin(self, |
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parents:
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lfutil.standin(lfile)) |
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parents:
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lfdirstate.normal(lfile) |
15168 | 279 |
for lfile in lfdirstate: |
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parents:
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280 |
if lfile in modifiedfiles: |
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parents:
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281 |
if not os.path.exists( |
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parents:
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repo.wjoin(lfutil.standin(lfile))): |
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parents:
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|
283 |
lfdirstate.drop(lfile) |
15168 | 284 |
lfdirstate.write() |
285 |
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286 |
return orig(text=text, user=user, date=date, match=match, |
|
287 |
force=force, editor=editor, extra=extra) |
|
288 |
||
289 |
for file in match.files(): |
|
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if lfutil.isstandin(file): |
|
291 |
raise util.Abort( |
|
292 |
"Don't commit largefile standin. Commit largefile.") |
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293 |
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294 |
# Case 2: user calls commit with specified patterns: refresh |
|
295 |
# any matching big files. |
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smatcher = lfutil.composestandinmatcher(self, match) |
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297 |
standins = lfutil.dirstate_walk(self.dirstate, smatcher) |
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298 |
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299 |
# No matching big files: get out of the way and pass control to |
|
300 |
# the usual commit() method. |
|
301 |
if not standins: |
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return orig(text=text, user=user, date=date, match=match, |
|
303 |
force=force, editor=editor, extra=extra) |
|
304 |
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305 |
# Refresh all matching big files. It's possible that the |
|
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# commit will end up failing, in which case the big files will |
|
307 |
# stay refreshed. No harm done: the user modified them and |
|
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# asked to commit them, so sooner or later we're going to |
|
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# refresh the standins. Might as well leave them refreshed. |
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lfdirstate = lfutil.openlfdirstate(ui, self) |
|
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for standin in standins: |
|
312 |
lfile = lfutil.splitstandin(standin) |
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if lfdirstate[lfile] <> 'r': |
|
314 |
lfutil.updatestandin(self, standin) |
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lfdirstate.normal(lfile) |
|
316 |
else: |
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|
317 |
lfdirstate.drop(lfile) |
15168 | 318 |
lfdirstate.write() |
319 |
||
320 |
# Cook up a new matcher that only matches regular files or |
|
321 |
# standins corresponding to the big files requested by the |
|
322 |
# user. Have to modify _files to prevent commit() from |
|
323 |
# complaining "not tracked" for big files. |
|
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lfiles = lfutil.listlfiles(repo) |
|
325 |
match = copy.copy(match) |
|
326 |
orig_matchfn = match.matchfn |
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327 |
||
328 |
# Check both the list of lfiles and the list of standins |
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329 |
# because if a lfile was removed, it won't be in the list of |
|
330 |
# lfiles at this point |
|
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match._files += sorted(standins) |
|
332 |
||
333 |
actualfiles = [] |
|
334 |
for f in match._files: |
|
335 |
fstandin = lfutil.standin(f) |
|
336 |
||
337 |
# Ignore known lfiles and standins |
|
338 |
if f in lfiles or fstandin in standins: |
|
339 |
continue |
|
340 |
||
341 |
# Append directory separator to avoid collisions |
|
342 |
if not fstandin.endswith(os.sep): |
|
343 |
fstandin += os.sep |
|
344 |
||
345 |
# Prevalidate matching standin directories |
|
346 |
if lfutil.any_(st for st in match._files if \ |
|
347 |
st.startswith(fstandin)): |
|
348 |
continue |
|
349 |
actualfiles.append(f) |
|
350 |
match._files = actualfiles |
|
351 |
||
352 |
def matchfn(f): |
|
353 |
if orig_matchfn(f): |
|
354 |
return f not in lfiles |
|
355 |
else: |
|
356 |
return f in standins |
|
357 |
||
358 |
match.matchfn = matchfn |
|
359 |
return orig(text=text, user=user, date=date, match=match, |
|
360 |
force=force, editor=editor, extra=extra) |
|
361 |
finally: |
|
362 |
wlock.release() |
|
363 |
||
364 |
def push(self, remote, force=False, revs=None, newbranch=False): |
|
365 |
o = lfutil.findoutgoing(repo, remote, force) |
|
366 |
if o: |
|
367 |
toupload = set() |
|
368 |
o = repo.changelog.nodesbetween(o, revs)[0] |
|
369 |
for n in o: |
|
370 |
parents = [p for p in repo.changelog.parents(n) if p != \ |
|
371 |
node.nullid] |
|
372 |
ctx = repo[n] |
|
373 |
files = set(ctx.files()) |
|
374 |
if len(parents) == 2: |
|
375 |
mc = ctx.manifest() |
|
376 |
mp1 = ctx.parents()[0].manifest() |
|
377 |
mp2 = ctx.parents()[1].manifest() |
|
378 |
for f in mp1: |
|
379 |
if f not in mc: |
|
380 |
files.add(f) |
|
381 |
for f in mp2: |
|
382 |
if f not in mc: |
|
383 |
files.add(f) |
|
384 |
for f in mc: |
|
385 |
if mc[f] != mp1.get(f, None) or mc[f] != mp2.get(f, |
|
386 |
None): |
|
387 |
files.add(f) |
|
388 |
||
389 |
toupload = toupload.union(set([ctx[f].data().strip() for f\ |
|
390 |
in files if lfutil.isstandin(f) and f in ctx])) |
|
391 |
lfcommands.uploadlfiles(ui, self, remote, toupload) |
|
15224
7c604d8c7e83
largefiles: remove pre-1.9 code from extension first bundled with 1.9
Na'Tosha Bard <natosha@unity3d.com>
parents:
15171
diff
changeset
|
392 |
return super(lfiles_repo, self).push(remote, force, revs, |
7c604d8c7e83
largefiles: remove pre-1.9 code from extension first bundled with 1.9
Na'Tosha Bard <natosha@unity3d.com>
parents:
15171
diff
changeset
|
393 |
newbranch) |
15168 | 394 |
|
395 |
repo.__class__ = lfiles_repo |
|
396 |
||
397 |
def checkrequireslfiles(ui, repo, **kwargs): |
|
398 |
if 'largefiles' not in repo.requirements and lfutil.any_( |
|
399 |
lfutil.shortname+'/' in f[0] for f in repo.store.datafiles()): |
|
400 |
# work around bug in mercurial 1.9 whereby requirements is a list |
|
401 |
# on newly-cloned repos |
|
402 |
repo.requirements = set(repo.requirements) |
|
403 |
||
404 |
repo.requirements |= set(['largefiles']) |
|
405 |
repo._writerequirements() |
|
406 |
||
407 |
checkrequireslfiles(ui, repo) |
|
408 |
||
409 |
ui.setconfig('hooks', 'changegroup.lfiles', checkrequireslfiles) |
|
410 |
ui.setconfig('hooks', 'commit.lfiles', checkrequireslfiles) |