Maintaning local changes

Neil Martinsen-Burrell nmb at
Wed Aug 26 18:35:07 BST 2009

On 2009-08-26 10:57 , Ivan Sagalaev wrote:
> Hello!
> I'm a recent user of Bazaar and one of the things I like is it's support
> for a variety of workflow patterns. However here's one that I don't know
> how to do with bzr.
> I have an upstream branch with which I synchronize periodically and it's
> used as an upstream branch by other developers. Sometimes it happens
> that I need to do some changes to code that make sense only to my local
> environment (temporary hacks, local config changes). I'd like to have
> these changes in all my local branches but I don't want them to be
> pushed upstream.
> The only (inconvenient) solution that I can think of is to have one
> local branch dedicated to testing that will contain those environment
> modifications. Then I do development in other branches and every time I
> need to test my work I merge it to this test branch, test it and revert
> it back to "upstream state + environment mods" every time.
> Is there a better solution?

There is no automated way to do this.  The conceptual problem as I 
understand it is that you want to label the changes in a working copy as 
being either locally important or globally relevant.  Bazaar (and as far 
as I know, not other VCS) doesn't track any additional meta-information 
about a given change.  As a result, you need to keep this information in 
your head and when you merge from upstream and then revert, you have to 
manually keep track of what changes should *not* be reverted, namely 
those which are locally important.

Note that this problem is very, very common for version control.  Here, 
from the Subversion FAQ is one way of dealing with it in general:


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