hg cat and renamed files

[Bastian Doetsch]

> > 
> > Now I can only hopes, somebody steps ahead and adds the option :)).
> > Unfortunately, I know basically nothing about coding in python...
> 
> That's been the case with most hg contributors. For anyone interested in
> looking at this, you'll have to:
> 
> - add an option to the commands table in commands.py
> - add a branch in the inner loop of commands.py:cat to trace the history
> of each file
> 
> That loop will have to get a filectx for the file in question via
> repo['.'][file] and use its parents() method to trace the tree back to
> the rev in question.
> 
> And then you'll have to deal with:
> 
> - the file not currently existing
> - the file history not going back to rev
> - multiple instances of file at rev
> 


Sounds doable. I'll have a try at implementing it.
Bastian
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