Re: [Gnu-arch-users] changes: tree shows no revisions in version ?

[John A Meinel]

Andrei A. Voropaev wrote:

> Hi!
>
> We have modified files in the project tree. Now I want to see the changes
> and run 'tla changes' at the top of the tree. I get back
>
> $ tla changes
>
> changes: tree shows no revisions in version
>  tree: /home/sm/dev/projects/proj-r4
>  version: address@hidden/proj-r4--pre1--0.18
>
> What shall I do next to figure out the problem?
>
> Andrei
>  

How did you get your working tree? Is this a newly created tree (where 
you run tla init-tree), or is it something that you checked out?

If this is a new tree (from tla init-tree) then there is no old version 
to compare against (since nothing has been added to the archive yet). 
You need to do a tla import first, and then you can do tla changes from 
there on.

If this is a tree that you checked out, it sounds like you deleted some 
patch logs inside the {arch} directory (probably accidentally).

The way tla tells what revision your tree is on is first by checking the 
file {arch}/++default-version to find out what version the tree should 
be. The it looks for patch-logs for that version, and the latest one is 
the revision. If you have removed the patch-logs, then it has nothing to 
tell it what revision the tree is. And thus, nothing to compare against.

I'm not sure how to get out of this state, I can think of a couple 
things, but nothing really definite.

John
=:->

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