Mercurial > hg
view hgext/convert/monotone.py @ 8556:f5fae700cc00
inotify: set a flag so a failed inotify query doesn't get repeated.
If, for some reason, we can't get the inotify server to start, it's better to
disable inotify queries for the instance to avoid trying over and over to start
the server, which takes time. Just fall back on repo.status()
author | Nicolas Dumazet <nicdumz.commits@gmail.com> |
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date | Wed, 06 May 2009 01:40:03 +0900 |
parents | f6c99b1628d7 |
children | 11d7bb5e0df2 |
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# monotone.py - monotone support for the convert extension # # Copyright 2008, 2009 Mikkel Fahnoe Jorgensen <mikkel@dvide.com> and # others # # This software may be used and distributed according to the terms of the # GNU General Public License version 2, incorporated herein by reference. import os, re from mercurial import util from common import NoRepo, commit, converter_source, checktool from common import commandline from mercurial.i18n import _ class monotone_source(converter_source, commandline): def __init__(self, ui, path=None, rev=None): converter_source.__init__(self, ui, path, rev) commandline.__init__(self, ui, 'mtn') self.ui = ui self.path = path norepo = NoRepo (_("%s does not look like a monotone repo") % path) if not os.path.exists(os.path.join(path, '_MTN')): # Could be a monotone repository (SQLite db file) try: header = file(path, 'rb').read(16) except: header = '' if header != 'SQLite format 3\x00': raise norepo # regular expressions for parsing monotone output space = r'\s*' name = r'\s+"((?:\\"|[^"])*)"\s*' value = name revision = r'\s+\[(\w+)\]\s*' lines = r'(?:.|\n)+' self.dir_re = re.compile(space + "dir" + name) self.file_re = re.compile(space + "file" + name + "content" + revision) self.add_file_re = re.compile(space + "add_file" + name + "content" + revision) self.patch_re = re.compile(space + "patch" + name + "from" + revision + "to" + revision) self.rename_re = re.compile(space + "rename" + name + "to" + name) self.delete_re = re.compile(space + "delete" + name) self.tag_re = re.compile(space + "tag" + name + "revision" + revision) self.cert_re = re.compile(lines + space + "name" + name + "value" + value) attr = space + "file" + lines + space + "attr" + space self.attr_execute_re = re.compile(attr + '"mtn:execute"' + space + '"true"') # cached data self.manifest_rev = None self.manifest = None self.files = None self.dirs = None checktool('mtn', abort=False) # test if there are any revisions self.rev = None try: self.getheads() except: raise norepo self.rev = rev def mtnrun(self, *args, **kwargs): kwargs['d'] = self.path return self.run0('automate', *args, **kwargs) def mtnloadmanifest(self, rev): if self.manifest_rev == rev: return self.manifest = self.mtnrun("get_manifest_of", rev).split("\n\n") self.manifest_rev = rev self.files = {} self.dirs = {} for e in self.manifest: m = self.file_re.match(e) if m: attr = "" name = m.group(1) node = m.group(2) if self.attr_execute_re.match(e): attr += "x" self.files[name] = (node, attr) m = self.dir_re.match(e) if m: self.dirs[m.group(1)] = True def mtnisfile(self, name, rev): # a non-file could be a directory or a deleted or renamed file self.mtnloadmanifest(rev) return name in self.files def mtnisdir(self, name, rev): self.mtnloadmanifest(rev) return name in self.dirs def mtngetcerts(self, rev): certs = {"author":"<missing>", "date":"<missing>", "changelog":"<missing>", "branch":"<missing>"} cert_list = self.mtnrun("certs", rev).split('\n\n key "') for e in cert_list: m = self.cert_re.match(e) if m: name, value = m.groups() value = value.replace(r'\"', '"') value = value.replace(r'\\', '\\') certs[name] = value # Monotone may have subsecond dates: 2005-02-05T09:39:12.364306 # and all times are stored in UTC certs["date"] = certs["date"].split('.')[0] + " UTC" return certs # implement the converter_source interface: def getheads(self): if not self.rev: return self.mtnrun("leaves").splitlines() else: return [self.rev] def getchanges(self, rev): #revision = self.mtncmd("get_revision %s" % rev).split("\n\n") revision = self.mtnrun("get_revision", rev).split("\n\n") files = {} ignoremove = {} renameddirs = [] copies = {} for e in revision: m = self.add_file_re.match(e) if m: files[m.group(1)] = rev ignoremove[m.group(1)] = rev m = self.patch_re.match(e) if m: files[m.group(1)] = rev # Delete/rename is handled later when the convert engine # discovers an IOError exception from getfile, # but only if we add the "from" file to the list of changes. m = self.delete_re.match(e) if m: files[m.group(1)] = rev m = self.rename_re.match(e) if m: toname = m.group(2) fromname = m.group(1) if self.mtnisfile(toname, rev): ignoremove[toname] = 1 copies[toname] = fromname files[toname] = rev files[fromname] = rev elif self.mtnisdir(toname, rev): renameddirs.append((fromname, toname)) # Directory renames can be handled only once we have recorded # all new files for fromdir, todir in renameddirs: renamed = {} for tofile in self.files: if tofile in ignoremove: continue if tofile.startswith(todir + '/'): renamed[tofile] = fromdir + tofile[len(todir):] # Avoid chained moves like: # d1(/a) => d3/d1(/a) # d2 => d3 ignoremove[tofile] = 1 for tofile, fromfile in renamed.items(): self.ui.debug (_("copying file in renamed directory " "from '%s' to '%s'") % (fromfile, tofile), '\n') files[tofile] = rev copies[tofile] = fromfile for fromfile in renamed.values(): files[fromfile] = rev return (files.items(), copies) def getmode(self, name, rev): self.mtnloadmanifest(rev) node, attr = self.files.get(name, (None, "")) return attr def getfile(self, name, rev): if not self.mtnisfile(name, rev): raise IOError() # file was deleted or renamed try: return self.mtnrun("get_file_of", name, r=rev) except: raise IOError() # file was deleted or renamed def getcommit(self, rev): certs = self.mtngetcerts(rev) return commit( author=certs["author"], date=util.datestr(util.strdate(certs["date"], "%Y-%m-%dT%H:%M:%S")), desc=certs["changelog"], rev=rev, parents=self.mtnrun("parents", rev).splitlines(), branch=certs["branch"]) def gettags(self): tags = {} for e in self.mtnrun("tags").split("\n\n"): m = self.tag_re.match(e) if m: tags[m.group(1)] = m.group(2) return tags def getchangedfiles(self, rev, i): # This function is only needed to support --filemap # ... and we don't support that raise NotImplementedError()