Merge branch 'nm/submodule-update-force'
[gitweb.git] / contrib / fast-import / git-p4
index 7cb479c5e1b21e4b0de936ced57981e0bf804b0c..78e5b3aaf4b70b87afbd5df0c9f839776310d18a 100755 (executable)
@@ -222,10 +222,10 @@ def p4CmdList(cmd, stdin=None, stdin_mode='w+b', cb=None):
     try:
         while True:
             entry = marshal.load(p4.stdout)
-           if cb is not None:
-               cb(entry)
-           else:
-               result.append(entry)
+            if cb is not None:
+                cb(entry)
+            else:
+                result.append(entry)
     except EOFError:
         pass
     exitCode = p4.wait()
@@ -333,9 +333,13 @@ def gitBranchExists(branch):
     return proc.wait() == 0;
 
 _gitConfig = {}
-def gitConfig(key):
+def gitConfig(key, args = None): # set args to "--bool", for instance
     if not _gitConfig.has_key(key):
-        _gitConfig[key] = read_pipe("git config %s" % key, ignore_error=True).strip()
+        argsFilter = ""
+        if args != None:
+            argsFilter = "%s " % args
+        cmd = "git config %s%s" % (argsFilter, key)
+        _gitConfig[key] = read_pipe(cmd, ignore_error=True).strip()
     return _gitConfig[key]
 
 def p4BranchesInGit(branchesAreInRemotes = True):
@@ -445,13 +449,26 @@ def p4ChangesForPaths(depotPaths, changeRange):
 
     changes = {}
     for line in output:
-       changeNum = int(line.split(" ")[1])
-       changes[changeNum] = True
+        changeNum = int(line.split(" ")[1])
+        changes[changeNum] = True
 
     changelist = changes.keys()
     changelist.sort()
     return changelist
 
+def p4PathStartsWith(path, prefix):
+    # This method tries to remedy a potential mixed-case issue:
+    #
+    # If UserA adds  //depot/DirA/file1
+    # and UserB adds //depot/dira/file2
+    #
+    # we may or may not have a problem. If you have core.ignorecase=true,
+    # we treat DirA and dira as the same directory
+    ignorecase = gitConfig("core.ignorecase", "--bool") == "true"
+    if ignorecase:
+        return path.lower().startswith(prefix.lower())
+    return path.startswith(prefix)
+
 class Command:
     def __init__(self):
         self.usage = "usage: %prog [options]"
@@ -599,7 +616,7 @@ class P4Submit(Command):
                     lastTab = path.rfind("\t")
                     if lastTab != -1:
                         path = path[:lastTab]
-                        if not path.startswith(self.depotPath):
+                        if not p4PathStartsWith(path, self.depotPath):
                             continue
                 else:
                     inFilesSection = False
@@ -937,11 +954,11 @@ class P4Sync(Command):
             path =  commit["depotFile%s" % fnum]
 
             if [p for p in self.cloneExclude
-                if path.startswith (p)]:
+                if p4PathStartsWith(path, p)]:
                 found = False
             else:
                 found = [p for p in self.depotPaths
-                         if path.startswith (p)]
+                         if p4PathStartsWith(path, p)]
             if not found:
                 fnum = fnum + 1
                 continue
@@ -976,7 +993,7 @@ class P4Sync(Command):
             prefixes = [re.sub("^(//[^/]+/).*", r'\1', prefixes[0])]
 
         for p in prefixes:
-            if path.startswith(p):
+            if p4PathStartsWith(path, p):
                 path = path[len(p):]
 
         return path
@@ -987,7 +1004,7 @@ class P4Sync(Command):
         while commit.has_key("depotFile%s" % fnum):
             path =  commit["depotFile%s" % fnum]
             found = [p for p in self.depotPaths
-                     if path.startswith (p)]
+                     if p4PathStartsWith(path, p)]
             if not found:
                 fnum = fnum + 1
                 continue
@@ -1016,10 +1033,10 @@ class P4Sync(Command):
     # - helper for streamP4Files
 
     def streamOneP4File(self, file, contents):
-       if file["type"] == "apple":
-           print "\nfile %s is a strange apple file that forks. Ignoring" % \
-               file['depotFile']
-           return
+        if file["type"] == "apple":
+            print "\nfile %s is a strange apple file that forks. Ignoring" % \
+                file['depotFile']
+            return
 
         relPath = self.stripRepoPath(file['depotFile'], self.branchPrefixes)
         relPath = self.wildcard_decode(relPath)
@@ -1068,22 +1085,22 @@ class P4Sync(Command):
     # handle another chunk of streaming data
     def streamP4FilesCb(self, marshalled):
 
-       if marshalled.has_key('depotFile') and self.stream_have_file_info:
-           # start of a new file - output the old one first
-           self.streamOneP4File(self.stream_file, self.stream_contents)
-           self.stream_file = {}
-           self.stream_contents = []
-           self.stream_have_file_info = False
+        if marshalled.has_key('depotFile') and self.stream_have_file_info:
+            # start of a new file - output the old one first
+            self.streamOneP4File(self.stream_file, self.stream_contents)
+            self.stream_file = {}
+            self.stream_contents = []
+            self.stream_have_file_info = False
 
-       # pick up the new file information... for the
-       # 'data' field we need to append to our array
-       for k in marshalled.keys():
-           if k == 'data':
-               self.stream_contents.append(marshalled['data'])
-           else:
-               self.stream_file[k] = marshalled[k]
+        # pick up the new file information... for the
+        # 'data' field we need to append to our array
+        for k in marshalled.keys():
+            if k == 'data':
+                self.stream_contents.append(marshalled['data'])
+            else:
+                self.stream_file[k] = marshalled[k]
 
-       self.stream_have_file_info = True
+        self.stream_have_file_info = True
 
     # Stream directly from "p4 files" into "git fast-import"
     def streamP4Files(self, files):
@@ -1115,14 +1132,14 @@ class P4Sync(Command):
             self.stream_contents = []
             self.stream_have_file_info = False
 
-           # curry self argument
-           def streamP4FilesCbSelf(entry):
-               self.streamP4FilesCb(entry)
+            # curry self argument
+            def streamP4FilesCbSelf(entry):
+                self.streamP4FilesCb(entry)
 
-           p4CmdList("-x - print",
-               '\n'.join(['%s#%s' % (f['path'], f['rev'])
+            p4CmdList("-x - print",
+                '\n'.join(['%s#%s' % (f['path'], f['rev'])
                                                   for f in filesToRead]),
-               cb=streamP4FilesCbSelf)
+                cb=streamP4FilesCbSelf)
 
             # do the last chunk
             if self.stream_file.has_key('depotFile'):
@@ -1131,7 +1148,7 @@ class P4Sync(Command):
     def commit(self, details, files, branch, branchPrefixes, parent = ""):
         epoch = details["time"]
         author = details["user"]
-       self.branchPrefixes = branchPrefixes
+        self.branchPrefixes = branchPrefixes
 
         if self.verbose:
             print "commit into %s" % branch
@@ -1140,10 +1157,10 @@ class P4Sync(Command):
         # create a commit.
         new_files = []
         for f in files:
-            if [p for p in branchPrefixes if f['path'].startswith(p)]:
+            if [p for p in branchPrefixes if p4PathStartsWith(f['path'], p)]:
                 new_files.append (f)
             else:
-                sys.stderr.write("Ignoring file outside of prefix: %s\n" % path)
+                sys.stderr.write("Ignoring file outside of prefix: %s\n" % f['path'])
 
         self.gitStream.write("commit %s\n" % branch)
 #        gitStream.write("mark :%s\n" % details["change"])
@@ -1236,7 +1253,7 @@ class P4Sync(Command):
 
         s = ''
         for (key, val) in self.users.items():
-           s += "%s\t%s\n" % (key.expandtabs(1), val.expandtabs(1))
+            s += "%s\t%s\n" % (key.expandtabs(1), val.expandtabs(1))
 
         open(self.getUserCacheFilename(), "wb").write(s)
         self.userMapFromPerforceServer = True
@@ -1304,7 +1321,7 @@ class P4Sync(Command):
                 source = paths[0]
                 destination = paths[1]
                 ## HACK
-                if source.startswith(self.depotPaths[0]) and destination.startswith(self.depotPaths[0]):
+                if p4PathStartsWith(source, self.depotPaths[0]) and p4PathStartsWith(destination, self.depotPaths[0]):
                     source = source[len(self.depotPaths[0]):-4]
                     destination = destination[len(self.depotPaths[0]):-4]
 
@@ -1763,7 +1780,9 @@ class P4Sync(Command):
 
                 changes.sort()
             else:
-                if not isinstance(self, P4Clone) and not self.p4BranchesInGit:
+                # catch "git-p4 sync" with no new branches, in a repo that
+                # does not have any existing git-p4 branches
+                if len(args) == 0 and not self.p4BranchesInGit:
                     die("No remote p4 branches.  Perhaps you never did \"git p4 clone\" in here.");
                 if self.verbose:
                     print "Getting p4 changes for %s...%s" % (', '.join(self.depotPaths),