sequencer: remove the 'arg' field from todo_item
[gitweb.git] / git-p4.py
index 7fab255584e5bca70aef305f6ead73330694a88b..1998c3e141bec5142032f08623b916d7741e64ac 100755 (executable)
--- a/git-p4.py
+++ b/git-p4.py
@@ -1306,6 +1306,9 @@ def processContent(self, git_mode, relPath, contents):
             return LargeFileSystem.processContent(self, git_mode, relPath, contents)
 
 class Command:
+    delete_actions = ( "delete", "move/delete", "purge" )
+    add_actions = ( "add", "move/add" )
+
     def __init__(self):
         self.usage = "usage: %prog [options]"
         self.needsGit = True
@@ -2524,7 +2527,6 @@ def map_in_client(self, depot_path):
         return ""
 
 class P4Sync(Command, P4UserMap):
-    delete_actions = ( "delete", "move/delete", "purge" )
 
     def __init__(self):
         Command.__init__(self)
@@ -2612,20 +2614,7 @@ def checkpoint(self):
         if self.verbose:
             print("checkpoint finished: " + out)
 
-    def cmp_shelved(self, path, filerev, revision):
-        """ Determine if a path at revision #filerev is the same as the file
-            at revision @revision for a shelved changelist. If they don't match,
-            unshelving won't be safe (we will get other changes mixed in).
-
-            This is comparing the revision that the shelved changelist is *based* on, not
-            the shelved changelist itself.
-        """
-        ret = p4Cmd(["diff2", "{0}#{1}".format(path, filerev), "{0}@{1}".format(path, revision)])
-        if verbose:
-            print("p4 diff2 path %s filerev %s revision %s => %s" % (path, filerev, revision, ret))
-        return ret["status"] == "identical"
-
-    def extractFilesFromCommit(self, commit, shelved=False, shelved_cl = 0, origin_revision = 0):
+    def extractFilesFromCommit(self, commit, shelved=False, shelved_cl = 0):
         self.cloneExclude = [re.sub(r"\.\.\.$", "", path)
                              for path in self.cloneExclude]
         files = []
@@ -2650,17 +2639,6 @@ def extractFilesFromCommit(self, commit, shelved=False, shelved_cl = 0, origin_r
             file["type"] = commit["type%s" % fnum]
             if shelved:
                 file["shelved_cl"] = int(shelved_cl)
-
-                # For shelved changelists, check that the revision of each file that the
-                # shelve was based on matches the revision that we are using for the
-                # starting point for git-fast-import (self.initialParent). Otherwise
-                # the resulting diff will contain deltas from multiple commits.
-
-                if file["action"] != "add" and \
-                    not self.cmp_shelved(path, file["rev"], origin_revision):
-                    sys.exit("change {0} not based on {1} for {2}, cannot unshelve".format(
-                        commit["change"], self.initialParent, path))
-
             files.append(file)
             fnum = fnum + 1
         return files
@@ -2775,7 +2753,10 @@ def streamOneP4File(self, file, contents):
         relPath = self.stripRepoPath(file['depotFile'], self.branchPrefixes)
         relPath = self.encodeWithUTF8(relPath)
         if verbose:
-            size = int(self.stream_file['fileSize'])
+            if 'fileSize' in self.stream_file:
+                size = int(self.stream_file['fileSize'])
+            else:
+                size = 0 # deleted files don't get a fileSize apparently
             sys.stdout.write('\r%s --> %s (%i MB)\n' % (file['depotFile'], relPath, size/1024/1024))
             sys.stdout.flush()
 
@@ -3029,7 +3010,7 @@ def hasBranchPrefix(self, path):
             print('Ignoring file outside of prefix: {0}'.format(path))
         return hasPrefix
 
-    def commit(self, details, files, branch, parent = ""):
+    def commit(self, details, files, branch, parent = "", allow_empty=False):
         epoch = details["time"]
         author = details["user"]
         jobs = self.extractJobsFromCommit(details)
@@ -3043,7 +3024,10 @@ def commit(self, details, files, branch, parent = ""):
         files = [f for f in files
             if self.inClientSpec(f['path']) and self.hasBranchPrefix(f['path'])]
 
-        if not files and not gitConfigBool('git-p4.keepEmptyCommits'):
+        if gitConfigBool('git-p4.keepEmptyCommits'):
+            allow_empty = True
+
+        if not files and not allow_empty:
             print('Ignoring revision {0} as it would produce an empty commit.'
                 .format(details['change']))
             return
@@ -3384,10 +3368,10 @@ def searchParent(self, parent, branch, target):
         else:
             return None
 
-    def importChanges(self, changes, shelved=False, origin_revision=0):
+    def importChanges(self, changes, origin_revision=0):
         cnt = 1
         for change in changes:
-            description = p4_describe(change, shelved)
+            description = p4_describe(change)
             self.updateOptionDict(description)
 
             if not self.silent:
@@ -3457,7 +3441,7 @@ def importChanges(self, changes, shelved=False, origin_revision=0):
                                 print("Parent of %s not found. Committing into head of %s" % (branch, parent))
                             self.commit(description, filesForCommit, branch, parent)
                 else:
-                    files = self.extractFilesFromCommit(description, shelved, change, origin_revision)
+                    files = self.extractFilesFromCommit(description)
                     self.commit(description, files, self.branch,
                                 self.initialParent)
                     # only needed once, to connect to the previous commit
@@ -3953,7 +3937,7 @@ def __init__(self):
         ]
         self.verbose = False
         self.noCommit = False
-        self.destbranch = "refs/remotes/p4/unshelved"
+        self.destbranch = "refs/remotes/p4-unshelved"
 
     def renameBranch(self, branch_name):
         """ Rename the existing branch to branch_name.N
@@ -3985,6 +3969,32 @@ def findLastP4Revision(self, starting_point):
 
         sys.exit("could not find git-p4 commits in {0}".format(self.origin))
 
+    def createShelveParent(self, change, branch_name, sync, origin):
+        """ Create a commit matching the parent of the shelved changelist 'change'
+        """
+        parent_description = p4_describe(change, shelved=True)
+        parent_description['desc'] = 'parent for shelved changelist {}\n'.format(change)
+        files = sync.extractFilesFromCommit(parent_description, shelved=False, shelved_cl=change)
+
+        parent_files = []
+        for f in files:
+            # if it was added in the shelved changelist, it won't exist in the parent
+            if f['action'] in self.add_actions:
+                continue
+
+            # if it was deleted in the shelved changelist it must not be deleted
+            # in the parent - we might even need to create it if the origin branch
+            # does not have it
+            if f['action'] in self.delete_actions:
+                f['action'] = 'add'
+
+            parent_files.append(f)
+
+        sync.commit(parent_description, parent_files, branch_name,
+                parent=origin, allow_empty=True)
+        print("created parent commit for {0} based on {1} in {2}".format(
+            change, self.origin, branch_name))
+
     def run(self, args):
         if len(args) != 1:
             return False
@@ -3994,9 +4004,8 @@ def run(self, args):
 
         sync = P4Sync()
         changes = args
-        sync.initialParent = self.origin
 
-        # use the first change in the list to construct the branch to unshelve into
+        # only one change at a time
         change = changes[0]
 
         # if the target branch already exists, rename it
@@ -4009,14 +4018,21 @@ def run(self, args):
         sync.suppress_meta_comment = True
 
         settings = self.findLastP4Revision(self.origin)
-        origin_revision = settings['change']
         sync.depotPaths = settings['depot-paths']
         sync.branchPrefixes = sync.depotPaths
 
         sync.openStreams()
         sync.loadUserMapFromCache()
         sync.silent = True
-        sync.importChanges(changes, shelved=True, origin_revision=origin_revision)
+
+        # create a commit for the parent of the shelved changelist
+        self.createShelveParent(change, branch_name, sync, self.origin)
+
+        # create the commit for the shelved changelist itself
+        description = p4_describe(change, True)
+        files = sync.extractFilesFromCommit(description, True, change)
+
+        sync.commit(description, files, branch_name, "")
         sync.closeStreams()
 
         print("unshelved changelist {0} into {1}".format(change, branch_name))