Re: [PATCH 2/3] git-p4: support exclude paths

> Teach git-p4 about the -/ option which adds depot paths to the exclude
> list, used when cloning. The option is chosen such that the natural
> Perforce syntax works, eg:
>
>   git p4 clone //branch/path/... -//branch/path/{large,old}/...
>
> Trailing ... on exclude paths are optional.
>
> This is a generalization of a change by Dmitry Kakurin (thanks).
>
> Signed-off-by: Tommy Thorn <tommy-git@thorn.ws>

> ---
>  contrib/fast-import/git-p4 |   26 ++++++++++++++++++++++----
>  1 files changed, 22 insertions(+), 4 deletions(-)
>
> diff --git a/contrib/fast-import/git-p4 b/contrib/fast-import/git-p4
> index 553e237..2340876 100755
> --- a/contrib/fast-import/git-p4
> +++ b/contrib/fast-import/git-p4
> @@ -876,18 +876,25 @@ class P4Sync(Command):
>          self.keepRepoPath = False
>          self.depotPaths = None
>          self.p4BranchesInGit = []
> +        self.cloneExclude = []
>
>          if gitConfig("git-p4.syncFromOrigin") == "false":
>              self.syncWithOrigin = False
>
>      def extractFilesFromCommit(self, commit):
> +        self.cloneExclude = [re.sub(r"\.\.\.$", "", path)
> +                             for path in self.cloneExclude]
>          files = []
>          fnum = 0
>          while commit.has_key("depotFile%s" % fnum):
>              path =  commit["depotFile%s" % fnum]
>
> -            found = [p for p in self.depotPaths
> -                     if path.startswith (p)]
> +            if [p for p in self.cloneExclude
> +                if path.startswith (p)]:
> +                found = False
> +            else:
> +                found = [p for p in self.depotPaths
> +                         if path.startswith (p)]
>              if not found:
>                  fnum = fnum + 1
>                  continue
> @@ -1658,13 +1665,23 @@ class P4Clone(P4Sync):
>          P4Sync.__init__(self)
>          self.description = "Creates a new git repository and imports from
> Perforce into it" self.usage = "usage: %prog [options]
> //depot/path[@revRange]" -        self.options.append(
> +        self.options += [
>              optparse.make_option("--destination", dest="cloneDestination",
>                                   action='store', default=None,
> -                                 help="where to leave result of the
> clone")) +                                 help="where to leave result of
> the clone"), +            optparse.make_option("-/", dest="cloneExclude",
> +                                 action="append", type="string",
> +                                 help="exclude depot path")
> +        ]
>          self.cloneDestination = None
>          self.needsGit = False
>
> +    # This is required for the "append" cloneExclude action
> +    def ensure_value(self, attr, value):
> +        if not hasattr(self, attr) or getattr(self, attr) is None:
> +            setattr(self, attr, value)
> +        return getattr(self, attr)
> +
>      def defaultDestination(self, args):
>          ## TODO: use common prefix of args?
>          depotPath = args[0]
> @@ -1688,6 +1705,7 @@ class P4Clone(P4Sync):
>              self.cloneDestination = depotPaths[-1]
>              depotPaths = depotPaths[:-1]
>
> +        self.cloneExclude = ["/"+p for p in self.cloneExclude]
>          for p in depotPaths:
>              if not p.startswith("//"):
>                  return False