git-send-email: add a new sendemail.to configuration variable
[gitweb.git] / contrib / fast-import / git-p4
index 2c67190ffc49c46199a137071584526e6a4602ed..bf33f74b70a0514ebb3e3f3c31fbace65d26ff8a 100755 (executable)
@@ -63,6 +63,14 @@ def system(cmd):
     if os.system(cmd) != 0:
         die("command failed: %s" % cmd)
 
+def isP4Exec(kind):
+    """Determine if a Perforce 'kind' should have execute permission
+
+    'p4 help filetypes' gives a list of the types.  If it starts with 'x',
+    or x follows one of a few letters.  Otherwise, if there is an 'x' after
+    a plus sign, it is also executable"""
+    return (re.search(r"(^[cku]?x)|\+.*x", kind) != None)
+
 def p4CmdList(cmd, stdin=None, stdin_mode='w+b'):
     cmd = "p4 -G %s" % cmd
     if verbose:
@@ -391,6 +399,7 @@ class P4Submit(Command):
                 optparse.make_option("--dry-run", action="store_true"),
                 optparse.make_option("--direct", dest="directSubmit", action="store_true"),
                 optparse.make_option("--trust-me-like-a-fool", dest="trustMeLikeAFool", action="store_true"),
+                optparse.make_option("-M", dest="detectRename", action="store_true"),
         ]
         self.description = "Submit changes from git to the perforce depot."
         self.usage += " [name of git branch to submit into perforce depot]"
@@ -403,6 +412,7 @@ class P4Submit(Command):
         self.origin = ""
         self.directSubmit = False
         self.trustMeLikeAFool = False
+        self.detectRename = False
         self.verbose = False
         self.isWindows = (platform.system() == "Windows")
 
@@ -483,7 +493,8 @@ class P4Submit(Command):
             diff = self.diffStatus
         else:
             print "Applying %s" % (read_pipe("git log --max-count=1 --pretty=oneline %s" % id))
-            diff = read_pipe_lines("git diff-tree -r --name-status \"%s^\" \"%s\"" % (id, id))
+            diffOpts = ("", "-M")[self.detectRename]
+            diff = read_pipe_lines("git diff-tree -r --name-status %s \"%s^\" \"%s\"" % (diffOpts, id, id))
         filesToAdd = set()
         filesToDelete = set()
         editedFiles = set()
@@ -501,6 +512,13 @@ class P4Submit(Command):
                 filesToDelete.add(path)
                 if path in filesToAdd:
                     filesToAdd.remove(path)
+            elif modifier == "R":
+                src, dest = line.strip().split("\t")[1:3]
+                system("p4 integrate -Dt \"%s\" \"%s\"" % (src, dest))
+                system("p4 edit \"%s\"" % (dest))
+                os.unlink(dest)
+                editedFiles.add(dest)
+                filesToDelete.add(src)
             else:
                 die("unknown modifier %s for %s" % (modifier, path))
 
@@ -521,6 +539,10 @@ class P4Submit(Command):
                                      "and with .rej files / [w]rite the patch to a file (patch.txt) ")
             if response == "s":
                 print "Skipping! Good luck with the next patches..."
+                for f in editedFiles:
+                    system("p4 revert \"%s\"" % f);
+                for f in filesToAdd:
+                    system("rm %s" %f)
                 return
             elif response == "a":
                 os.system(applyPatchCmd)
@@ -932,7 +954,7 @@ class P4Sync(Command):
                 data = file['data']
 
                 mode = "644"
-                if file["type"].startswith("x"):
+                if isP4Exec(file["type"]):
                     mode = "755"
                 elif file["type"] == "symlink":
                     mode = "120000"
@@ -1118,6 +1140,76 @@ class P4Sync(Command):
         self.keepRepoPath = (d.has_key('options')
                              and ('keepRepoPath' in d['options']))
 
+    def gitRefForBranch(self, branch):
+        if branch == "main":
+            return self.refPrefix + "master"
+
+        if len(branch) <= 0:
+            return branch
+
+        return self.refPrefix + self.projectName + branch
+
+    def gitCommitByP4Change(self, ref, change):
+        if self.verbose:
+            print "looking in ref " + ref + " for change %s using bisect..." % change
+
+        earliestCommit = ""
+        latestCommit = parseRevision(ref)
+
+        while True:
+            if self.verbose:
+                print "trying: earliest %s latest %s" % (earliestCommit, latestCommit)
+            next = read_pipe("git rev-list --bisect %s %s" % (latestCommit, earliestCommit)).strip()
+            if len(next) == 0:
+                if self.verbose:
+                    print "argh"
+                return ""
+            log = extractLogMessageFromGitCommit(next)
+            settings = extractSettingsGitLog(log)
+            currentChange = int(settings['change'])
+            if self.verbose:
+                print "current change %s" % currentChange
+
+            if currentChange == change:
+                if self.verbose:
+                    print "found %s" % next
+                return next
+
+            if currentChange < change:
+                earliestCommit = "^%s" % next
+            else:
+                latestCommit = "%s" % next
+
+        return ""
+
+    def importNewBranch(self, branch, maxChange):
+        # make fast-import flush all changes to disk and update the refs using the checkpoint
+        # command so that we can try to find the branch parent in the git history
+        self.gitStream.write("checkpoint\n\n");
+        self.gitStream.flush();
+        branchPrefix = self.depotPaths[0] + branch + "/"
+        range = "@1,%s" % maxChange
+        #print "prefix" + branchPrefix
+        changes = p4ChangesForPaths([branchPrefix], range)
+        if len(changes) <= 0:
+            return False
+        firstChange = changes[0]
+        #print "first change in branch: %s" % firstChange
+        sourceBranch = self.knownBranches[branch]
+        sourceDepotPath = self.depotPaths[0] + sourceBranch
+        sourceRef = self.gitRefForBranch(sourceBranch)
+        #print "source " + sourceBranch
+
+        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:
+            self.initialParents[self.gitRefForBranch(branch)] = gitParent
+            #print "parent git commit: %s" % gitParent
+
+        self.importChanges(changes)
+        return True
+
     def importChanges(self, changes):
         cnt = 1
         for change in changes:
@@ -1150,26 +1242,22 @@ class P4Sync(Command):
                             parent = self.knownBranches[branch]
                             if parent == branch:
                                 parent = ""
-                            elif self.verbose:
-                                print "parent determined through known branches: %s" % parent
-
-                        # main branch? use master
-                        if branch == "main":
-                            branch = "master"
-                        else:
-
-                            ## FIXME
-                            branch = self.projectName + branch
-
-                        if parent == "main":
-                            parent = "master"
-                        elif len(parent) > 0:
-                            ## FIXME
-                            parent = self.projectName + parent
-
-                        branch = self.refPrefix + branch
-                        if len(parent) > 0:
-                            parent = self.refPrefix + parent
+                            else:
+                                fullBranch = self.projectName + branch
+                                if fullBranch not in self.p4BranchesInGit:
+                                    if not self.silent:
+                                        print("\n    Importing new branch %s" % fullBranch);
+                                    if self.importNewBranch(branch, change - 1):
+                                        parent = ""
+                                        self.p4BranchesInGit.append(fullBranch)
+                                    if not self.silent:
+                                        print("\n    Resuming with change %s" % change);
+
+                                if self.verbose:
+                                    print "parent determined through known branches: %s" % parent
+
+                        branch = self.gitRefForBranch(branch)
+                        parent = self.gitRefForBranch(parent)
 
                         if self.verbose:
                             print "looking for initial parent for %s; current parent is %s" % (branch, parent)
@@ -1577,6 +1665,7 @@ def printUsage(commands):
 commands = {
     "debug" : P4Debug,
     "submit" : P4Submit,
+    "commit" : P4Submit,
     "sync" : P4Sync,
     "rebase" : P4Rebase,
     "clone" : P4Clone,