Question

My situation:

• I have a repository MVC.
• I created two repositories A and B. I did that by using repository MVC as my parent repository.
• I worked in repositories A and B, adding new files.
• I committe (i.e. repositories A and B are different from MVC repository)
• I fixed a bug in one of the MVC files - but I did that in repository A.
• I committed that bugfix.

What I want:

How do I get my changes (only second commit) from repository A...

1. into my base MVC repository?
2. and then into repository B?

Answer 1

If you are ready to merge repository A into MVC, then you can go ahead and do so. Then you can merge MVC into B, at which point B will have the bugfix as well. The red book has a good tutorial of merging if you need one.

If A isn't ready (and this sounds like your situation), it's a little trickier but not impossible. What you can then do is transplant the change from A to MVC. Transplanting is basically a way of duplicating a changeset onto a different parent node. (So if changeset Z had parent X but you wanted to apply it to parent Y, transplant's your best friend.) The Mercurial transplant extension documentation has more information and a few helpful diagrams.