[PATCH] git-p4: Improve branch support.

[Vitor Antunes <vitor.hda@gmail.com>]

Add new config option branchUser to allow filtering P4 branch list by user.
Allow defining the branch list through branchList config option.
Correct base branch directory detection to use '/' as the split character.

Signed-off-by: Vitor Antunes <vitor.hda@gmail.com>
---
 contrib/fast-import/git-p4 |   27 +++++++++++++++++++++++----
 1 files changed, 23 insertions(+), 4 deletions(-)

diff --git a/contrib/fast-import/git-p4 b/contrib/fast-import/git-p4
index 9b67ae2..af1ba43 100755
--- a/contrib/fast-import/git-p4
+++ b/contrib/fast-import/git-p4
@@ -338,6 +338,11 @@ def gitConfig(key):
         _gitConfig[key] = read_pipe("git config %s" % key, ignore_error=True).strip()
     return _gitConfig[key]
 
+def gitConfigList(key):
+    if not _gitConfig.has_key(key):
+        _gitConfig[key] = read_pipe("git config --get-all %s" % key, ignore_error=True).strip().split(os.linesep)
+    return _gitConfig[key]
+
 def p4BranchesInGit(branchesAreInRemotes = True):
     branches = {}
 
@@ -1253,7 +1258,13 @@ class P4Sync(Command):
     def getBranchMapping(self):
         lostAndFoundBranches = set()
 
-        for info in p4CmdList("branches"):
+        user = gitConfig("git-p4.branchUser")
+        if len(user) > 0:
+            command = "branches -u %s" % user
+        else:
+            command = "branches"
+
+        for info in p4CmdList(command):
             details = p4Cmd("branch -o %s" % info["branch"])
             viewIdx = 0
             while details.has_key("View%s" % viewIdx):
@@ -1286,6 +1297,12 @@ class P4Sync(Command):
         for branch in lostAndFoundBranches:
             self.knownBranches[branch] = branch
 
+        configBranches = gitConfigList("git-p4.branchList")
+        for branch in configBranches:
+            if branch:
+                (source, destination) = branch.split(":")
+                self.knownBranches[destination] = source
+
     def getBranchMappingFromGitBranches(self):
         branches = p4BranchesInGit(self.importIntoRemotes)
         for branch in branches.keys():
@@ -1581,12 +1598,14 @@ class P4Sync(Command):
                     else:
                         paths = []
                         for (prev, cur) in zip(self.previousDepotPaths, depotPaths):
-                            for i in range(0, min(len(cur), len(prev))):
-                                if cur[i] <> prev[i]:
+                            prev_list = prev.split("/")
+                            cur_list = cur.split("/")
+                            for i in range(0, min(len(cur_list), len(prev_list))):
+                                if cur_list[i] <> prev_list[i]:
                                     i = i - 1
                                     break
 
-                            paths.append (cur[:i + 1])
+                            paths.append ("/".join(cur_list[:i + 1]))
 
                         self.previousDepotPaths = paths
 
-- 
1.7.2.3