I have a bzr repository "A" based on which I created a branch call "a". I revert "a" to a earlier version by "bzr uncommit", and want it affect on its parent "A" as well. I tried "bzr push :parent --no-strict" but it says "No revision to push", and "A" is still the latest version. Hope my statement is clear and thanks for comments.
The --no-strict option is to make it possible to push even if there are pending changes in your working tree.
Use --overwrite to overwrite the parent branch with the current branch:
bzr push :parent --overwrite