diff options
Diffstat (limited to 'contrib/fast-import')
| -rwxr-xr-x | contrib/fast-import/git-p4 | 256 |
1 files changed, 204 insertions, 52 deletions
diff --git a/contrib/fast-import/git-p4 b/contrib/fast-import/git-p4 index 9ccc87b205..c5362c4c11 100755 --- a/contrib/fast-import/git-p4 +++ b/contrib/fast-import/git-p4 @@ -10,7 +10,7 @@ import optparse, sys, os, marshal, subprocess, shelve import tempfile, getopt, os.path, time, platform -import re +import re, shutil verbose = False @@ -38,7 +38,7 @@ def p4_build_cmd(cmd): host = gitConfig("git-p4.host") if len(host) > 0: - real_cmd += ["-h", host] + real_cmd += ["-H", host] client = gitConfig("git-p4.client") if len(client) > 0: @@ -186,6 +186,47 @@ def split_p4_type(p4type): mods = s[1] return (base, mods) +# +# return the raw p4 type of a file (text, text+ko, etc) +# +def p4_type(file): + results = p4CmdList(["fstat", "-T", "headType", file]) + return results[0]['headType'] + +# +# Given a type base and modifier, return a regexp matching +# the keywords that can be expanded in the file +# +def p4_keywords_regexp_for_type(base, type_mods): + if base in ("text", "unicode", "binary"): + kwords = None + if "ko" in type_mods: + kwords = 'Id|Header' + elif "k" in type_mods: + kwords = 'Id|Header|Author|Date|DateTime|Change|File|Revision' + else: + return None + pattern = r""" + \$ # Starts with a dollar, followed by... + (%s) # one of the keywords, followed by... + (:[^$]+)? # possibly an old expansion, followed by... + \$ # another dollar + """ % kwords + return pattern + else: + return None + +# +# Given a file, return a regexp matching the possible +# RCS keywords that will be expanded, or None for files +# with kw expansion turned off. +# +def p4_keywords_regexp_for_file(file): + if not os.path.exists(file): + return None + else: + (type_base, type_mods) = split_p4_type(p4_type(file)) + return p4_keywords_regexp_for_type(type_base, type_mods) def setP4ExecBit(file, mode): # Reopens an already open file and changes the execute bit to match @@ -603,6 +644,26 @@ class Command: class P4UserMap: def __init__(self): self.userMapFromPerforceServer = False + self.myP4UserId = None + + def p4UserId(self): + if self.myP4UserId: + return self.myP4UserId + + results = p4CmdList("user -o") + for r in results: + if r.has_key('User'): + self.myP4UserId = r['User'] + return r['User'] + die("Could not find your p4 user id") + + def p4UserIsMe(self, p4User): + # return True if the given p4 user is actually me + me = self.p4UserId() + if not p4User or p4User != me: + return False + else: + return True def getUserCacheFilename(self): home = os.environ.get("HOME", os.environ.get("USERPROFILE")) @@ -740,7 +801,6 @@ class P4Submit(Command, P4UserMap): self.verbose = False self.preserveUser = gitConfig("git-p4.preserveUser").lower() == "true" self.isWindows = (platform.system() == "Windows") - self.myP4UserId = None def check(self): if len(p4CmdList("opened ...")) > 0: @@ -774,6 +834,29 @@ class P4Submit(Command, P4UserMap): return result + def patchRCSKeywords(self, file, pattern): + # Attempt to zap the RCS keywords in a p4 controlled file matching the given pattern + (handle, outFileName) = tempfile.mkstemp(dir='.') + try: + outFile = os.fdopen(handle, "w+") + inFile = open(file, "r") + regexp = re.compile(pattern, re.VERBOSE) + for line in inFile.readlines(): + line = regexp.sub(r'$\1$', line) + outFile.write(line) + inFile.close() + outFile.close() + # Forcibly overwrite the original file + os.unlink(file) + shutil.move(outFileName, file) + except: + # cleanup our temporary file + os.unlink(outFileName) + print "Failed to strip RCS keywords in %s" % file + raise + + print "Patched up RCS keywords in %s" % file + def p4UserForCommit(self,id): # Return the tuple (perforce user,git email) for a given git commit id self.getUserMapFromPerforceServer() @@ -839,7 +922,7 @@ class P4Submit(Command, P4UserMap): def canChangeChangelists(self): # check to see if we have p4 admin or super-user permissions, either of # which are required to modify changelists. - results = p4CmdList("protects %s" % self.depotPath) + results = p4CmdList(["protects", self.depotPath]) for r in results: if r.has_key('perm'): if r['perm'] == 'admin': @@ -848,25 +931,6 @@ class P4Submit(Command, P4UserMap): return 1 return 0 - def p4UserId(self): - if self.myP4UserId: - return self.myP4UserId - - results = p4CmdList("user -o") - for r in results: - if r.has_key('User'): - self.myP4UserId = r['User'] - return r['User'] - die("Could not find your p4 user id") - - def p4UserIsMe(self, p4User): - # return True if the given p4 user is actually me - me = self.p4UserId() - if not p4User or p4User != me: - return False - else: - return True - def prepareSubmitTemplate(self): # remove lines in the Files section that show changes to files outside the depot path we're committing into template = "" @@ -958,6 +1022,7 @@ class P4Submit(Command, P4UserMap): filesToDelete = set() editedFiles = set() filesToChangeExecBit = {} + for line in diff: diff = parseDiffTreeEntry(line) modifier = diff['status'] @@ -1004,9 +1069,45 @@ class P4Submit(Command, P4UserMap): patchcmd = diffcmd + " | git apply " tryPatchCmd = patchcmd + "--check -" applyPatchCmd = patchcmd + "--check --apply -" + patch_succeeded = True if os.system(tryPatchCmd) != 0: + fixed_rcs_keywords = False + patch_succeeded = False print "Unfortunately applying the change failed!" + + # Patch failed, maybe it's just RCS keyword woes. Look through + # the patch to see if that's possible. + if gitConfig("git-p4.attemptRCSCleanup","--bool") == "true": + file = None + pattern = None + kwfiles = {} + for file in editedFiles | filesToDelete: + # did this file's delta contain RCS keywords? + pattern = p4_keywords_regexp_for_file(file) + + if pattern: + # this file is a possibility...look for RCS keywords. + regexp = re.compile(pattern, re.VERBOSE) + for line in read_pipe_lines(["git", "diff", "%s^..%s" % (id, id), file]): + if regexp.search(line): + if verbose: + print "got keyword match on %s in %s in %s" % (pattern, line, file) + kwfiles[file] = pattern + break + + for file in kwfiles: + if verbose: + print "zapping %s with %s" % (line,pattern) + self.patchRCSKeywords(file, kwfiles[file]) + fixed_rcs_keywords = True + + if fixed_rcs_keywords: + print "Retrying the patch with RCS keywords cleaned up" + if os.system(tryPatchCmd) == 0: + patch_succeeded = True + + if not patch_succeeded: print "What do you want to do?" response = "x" while response != "s" and response != "a" and response != "w": @@ -1256,8 +1357,8 @@ class View(object): die("Can't handle * wildcards in view: %s" % self.path) triple_dot_index = self.path.find("...") if triple_dot_index >= 0: - if not self.path.endswith("..."): - die("Can handle ... wildcard only at end of path: %s" % + if triple_dot_index != len(self.path) - 3: + die("Can handle only single ... wildcard, at end: %s" % self.path) self.ends_triple_dot = True @@ -1312,7 +1413,7 @@ class View(object): if self.exclude: c = "-" return "View.Mapping: %s%s -> %s" % \ - (c, self.depot_side, self.client_side) + (c, self.depot_side.path, self.client_side.path) def map_depot_to_client(self, depot_path): """Calculate the client path if using this mapping on the @@ -1412,7 +1513,8 @@ class View(object): else: # This mapping matched; no need to search any further. # But, the mapping could be rejected if the client path - # has already been claimed by an earlier mapping. + # has already been claimed by an earlier mapping (i.e. + # one later in the list, which we are walking backwards). already_mapped_in_client = False for f in paths_filled: # this is View.Path.match @@ -1479,6 +1581,8 @@ class P4Sync(Command, P4UserMap): self.useClientSpec = False self.useClientSpec_from_options = False self.clientSpecDirs = None + self.tempBranches = [] + self.tempBranchLocation = "git-p4-tmp" if gitConfig("git-p4.syncFromOrigin") == "false": self.syncWithOrigin = False @@ -1500,6 +1604,14 @@ class P4Sync(Command, P4UserMap): .replace("%25", "%") return path + # Force a checkpoint in fast-import and wait for it to finish + def checkpoint(self): + self.gitStream.write("checkpoint\n\n") + self.gitStream.write("progress checkpoint\n\n") + out = self.gitOutput.readline() + if self.verbose: + print "checkpoint finished: " + out + def extractFilesFromCommit(self, commit): self.cloneExclude = [re.sub(r"\.\.\.$", "", path) for path in self.cloneExclude] @@ -1624,15 +1736,12 @@ class P4Sync(Command, P4UserMap): # Note that we do not try to de-mangle keywords on utf16 files, # even though in theory somebody may want that. - if type_base in ("text", "unicode", "binary"): - if "ko" in type_mods: - text = ''.join(contents) - text = re.sub(r'\$(Id|Header):[^$]*\$', r'$\1$', text) - contents = [ text ] - elif "k" in type_mods: - text = ''.join(contents) - text = re.sub(r'\$(Id|Header|Author|Date|DateTime|Change|File|Revision):[^$]*\$', r'$\1$', text) - contents = [ text ] + pattern = p4_keywords_regexp_for_type(type_base, type_mods) + if pattern: + regexp = re.compile(pattern, re.VERBOSE) + text = ''.join(contents) + text = regexp.sub(r'$\1$', text) + contents = [ text ] self.gitStream.write("M %s inline %s\n" % (git_mode, relPath)) @@ -1714,6 +1823,12 @@ class P4Sync(Command, P4UserMap): if self.stream_file.has_key('depotFile'): self.streamOneP4File(self.stream_file, self.stream_contents) + def make_email(self, userid): + if userid in self.users: + return self.users[userid] + else: + return "%s <a@b>" % userid + def commit(self, details, files, branch, branchPrefixes, parent = ""): epoch = details["time"] author = details["user"] @@ -1737,10 +1852,7 @@ class P4Sync(Command, P4UserMap): committer = "" if author not in self.users: self.getUserMapFromPerforceServer() - if author in self.users: - committer = "%s %s %s" % (self.users[author], epoch, self.tz) - else: - committer = "%s <a@b> %s %s" % (author, epoch, self.tz) + committer = "%s %s %s" % (self.make_email(author), epoch, self.tz) self.gitStream.write("committer %s\n" % committer) @@ -1785,15 +1897,21 @@ class P4Sync(Command, P4UserMap): self.gitStream.write("from %s\n" % branch) owner = labelDetails["Owner"] - tagger = "" - if author in self.users: - tagger = "%s %s %s" % (self.users[owner], epoch, self.tz) + + # Try to use the owner of the p4 label, or failing that, + # the current p4 user id. + if owner: + email = self.make_email(owner) else: - tagger = "%s <a@b> %s %s" % (owner, epoch, self.tz) + email = self.make_email(self.p4UserId()) + tagger = "%s %s %s" % (email, epoch, self.tz) + self.gitStream.write("tagger %s\n" % tagger) - self.gitStream.write("data <<EOT\n") - self.gitStream.write(labelDetails["Description"]) - self.gitStream.write("EOT\n\n") + + description = labelDetails["Description"] + self.gitStream.write("data %d\n" % len(description)) + self.gitStream.write(description) + self.gitStream.write("\n") else: if not self.silent: @@ -1808,7 +1926,7 @@ class P4Sync(Command, P4UserMap): def getLabels(self): self.labels = {} - l = p4CmdList("labels %s..." % ' '.join (self.depotPaths)) + l = p4CmdList(["labels"] + ["%s..." % p for p in self.depotPaths]) if len(l) > 0 and not self.silent: print "Finding files belonging to labels in %s" % `self.depotPaths` @@ -1850,7 +1968,7 @@ class P4Sync(Command, P4UserMap): command = "branches" for info in p4CmdList(command): - details = p4Cmd("branch -o %s" % info["branch"]) + details = p4Cmd(["branch", "-o", info["branch"]]) viewIdx = 0 while details.has_key("View%s" % viewIdx): paths = details["View%s" % viewIdx].split(" ") @@ -1988,7 +2106,7 @@ class P4Sync(Command, P4UserMap): sourceRef = self.gitRefForBranch(sourceBranch) #print "source " + sourceBranch - branchParentChange = int(p4Cmd("changes -m 1 %s...@1,%s" % (sourceDepotPath, firstChange))["change"]) + branchParentChange = int(p4Cmd(["changes", "-m", "1", "%s...@1,%s" % (sourceDepotPath, firstChange)])["change"]) #print "branch parent: %s" % branchParentChange gitParent = self.gitCommitByP4Change(sourceRef, branchParentChange) if len(gitParent) > 0: @@ -1998,10 +2116,24 @@ class P4Sync(Command, P4UserMap): self.importChanges(changes) return True + def searchParent(self, parent, branch, target): + parentFound = False + for blob in read_pipe_lines(["git", "rev-list", "--reverse", "--no-merges", parent]): + blob = blob.strip() + if len(read_pipe(["git", "diff-tree", blob, target])) == 0: + parentFound = True + if self.verbose: + print "Found parent of %s in commit %s" % (branch, blob) + break + if parentFound: + return blob + else: + return None + def importChanges(self, changes): cnt = 1 for change in changes: - description = p4Cmd("describe %s" % change) + description = p4Cmd(["describe", str(change)]) self.updateOptionDict(description) if not self.silent: @@ -2054,7 +2186,21 @@ class P4Sync(Command, P4UserMap): parent = self.initialParents[branch] del self.initialParents[branch] - self.commit(description, filesForCommit, branch, [branchPrefix], parent) + blob = None + if len(parent) > 0: + tempBranch = os.path.join(self.tempBranchLocation, "%d" % (change)) + if self.verbose: + print "Creating temporary branch: " + tempBranch + self.commit(description, filesForCommit, tempBranch, [branchPrefix]) + self.tempBranches.append(tempBranch) + self.checkpoint() + blob = self.searchParent(parent, branch, tempBranch) + if blob: + self.commit(description, filesForCommit, branch, [branchPrefix], blob) + else: + if self.verbose: + print "Parent of %s not found. Committing into head of %s" % (branch, parent) + self.commit(description, filesForCommit, branch, [branchPrefix], parent) else: files = self.extractFilesFromCommit(description) self.commit(description, files, self.branch, self.depotPaths, @@ -2366,6 +2512,12 @@ class P4Sync(Command, P4UserMap): self.gitOutput.close() self.gitError.close() + # Cleanup temporary branches created during import + if self.tempBranches != []: + for branch in self.tempBranches: + read_pipe("git update-ref -d %s" % branch) + os.rmdir(os.path.join(os.environ.get("GIT_DIR", ".git"), self.tempBranchLocation)) + return True class P4Rebase(Command): |