diff options
| -rwxr-xr-x | contrib/fast-import/git-p4 | 93 |
1 files changed, 89 insertions, 4 deletions
diff --git a/contrib/fast-import/git-p4 b/contrib/fast-import/git-p4 index bf33f74b7..c148b5ab7 100755 --- a/contrib/fast-import/git-p4 +++ b/contrib/fast-import/git-p4 @@ -71,6 +71,79 @@ def isP4Exec(kind): a plus sign, it is also executable""" return (re.search(r"(^[cku]?x)|\+.*x", kind) != None) +def setP4ExecBit(file, mode): + # Reopens an already open file and changes the execute bit to match + # the execute bit setting in the passed in mode. + + p4Type = "+x" + + if not isModeExec(mode): + p4Type = getP4OpenedType(file) + p4Type = re.sub('^([cku]?)x(.*)', '\\1\\2', p4Type) + p4Type = re.sub('(.*?\+.*?)x(.*?)', '\\1\\2', p4Type) + if p4Type[-1] == "+": + p4Type = p4Type[0:-1] + + system("p4 reopen -t %s %s" % (p4Type, file)) + +def getP4OpenedType(file): + # Returns the perforce file type for the given file. + + result = read_pipe("p4 opened %s" % file) + match = re.match(".*\((.+)\)$", result) + if match: + return match.group(1) + else: + die("Could not determine file type for %s" % file) + +def diffTreePattern(): + # This is a simple generator for the diff tree regex pattern. This could be + # a class variable if this and parseDiffTreeEntry were a part of a class. + pattern = re.compile(':(\d+) (\d+) (\w+) (\w+) ([A-Z])(\d+)?\t(.*?)((\t(.*))|$)') + while True: + yield pattern + +def parseDiffTreeEntry(entry): + """Parses a single diff tree entry into its component elements. + + See git-diff-tree(1) manpage for details about the format of the diff + output. This method returns a dictionary with the following elements: + + src_mode - The mode of the source file + dst_mode - The mode of the destination file + src_sha1 - The sha1 for the source file + dst_sha1 - The sha1 fr the destination file + status - The one letter status of the diff (i.e. 'A', 'M', 'D', etc) + status_score - The score for the status (applicable for 'C' and 'R' + statuses). This is None if there is no score. + src - The path for the source file. + dst - The path for the destination file. This is only present for + copy or renames. If it is not present, this is None. + + If the pattern is not matched, None is returned.""" + + match = diffTreePattern().next().match(entry) + if match: + return { + 'src_mode': match.group(1), + 'dst_mode': match.group(2), + 'src_sha1': match.group(3), + 'dst_sha1': match.group(4), + 'status': match.group(5), + 'status_score': match.group(6), + 'src': match.group(7), + 'dst': match.group(10) + } + return None + +def isModeExec(mode): + # Returns True if the given git mode represents an executable file, + # otherwise False. + return mode[-3:] == "755" + +def isModeExecChanged(src_mode, dst_mode): + return isModeExec(src_mode) != isModeExec(dst_mode) + def p4CmdList(cmd, stdin=None, stdin_mode='w+b'): cmd = "p4 -G %s" % cmd if verbose: @@ -494,18 +567,23 @@ class P4Submit(Command): else: print "Applying %s" % (read_pipe("git log --max-count=1 --pretty=oneline %s" % id)) diffOpts = ("", "-M")[self.detectRename] - diff = read_pipe_lines("git diff-tree -r --name-status %s \"%s^\" \"%s\"" % (diffOpts, id, id)) + diff = read_pipe_lines("git diff-tree -r %s \"%s^\" \"%s\"" % (diffOpts, id, id)) filesToAdd = set() filesToDelete = set() editedFiles = set() + filesToChangeExecBit = {} for line in diff: - modifier = line[0] - path = line[1:].strip() + diff = parseDiffTreeEntry(line) + modifier = diff['status'] + path = diff['src'] if modifier == "M": system("p4 edit \"%s\"" % path) + if isModeExecChanged(diff['src_mode'], diff['dst_mode']): + filesToChangeExecBit[path] = diff['dst_mode'] editedFiles.add(path) elif modifier == "A": filesToAdd.add(path) + filesToChangeExecBit[path] = diff['dst_mode'] if path in filesToDelete: filesToDelete.remove(path) elif modifier == "D": @@ -513,9 +591,11 @@ class P4Submit(Command): if path in filesToAdd: filesToAdd.remove(path) elif modifier == "R": - src, dest = line.strip().split("\t")[1:3] + src, dest = diff['src'], diff['dst'] system("p4 integrate -Dt \"%s\" \"%s\"" % (src, dest)) system("p4 edit \"%s\"" % (dest)) + if isModeExecChanged(diff['src_mode'], diff['dst_mode']): + filesToChangeExecBit[dest] = diff['dst_mode'] os.unlink(dest) editedFiles.add(dest) filesToDelete.add(src) @@ -568,6 +648,11 @@ class P4Submit(Command): system("p4 revert \"%s\"" % f) system("p4 delete \"%s\"" % f) + # Set/clear executable bits + for f in filesToChangeExecBit.keys(): + mode = filesToChangeExecBit[f] + setP4ExecBit(f, mode) + logMessage = "" if not self.directSubmit: logMessage = extractLogMessageFromGitCommit(id) |