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Commit 9036c7d1 authored by Martin Geisler's avatar Martin Geisler
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largefiles: handle merges between normal files and largefiles (issue3084)

The largefiles extension prevents users from adding a normal file
named 'foo' if there is already a largefile with the same name.
However, there was a loop-hole: when merging, it was possible to bring
in a normal file named 'foo' while also having a '.hglf/foo' file.

This patch fixes this by extending the manifest merge to deal with
these kinds of conflicts. If there is a normal file 'foo' in the
working copy, and the other parent brings in a '.hglf/foo' file, then
the user will be prompted to keep the normal file or the largefile.
Likewise for the symmetric case where a normal file is brought in via
the second parent. The prompt looks like this:

  $ hg merge
  foo has been turned into a largefile
  use (l)argefile or keep as (n)ormal file?

After the merge, either the '.hglf/foo' file or the 'foo' file will
have been deleted. This would cause status to return output like:

  $ hg status
  M foo
  R foo

To fix this, the lfiles_repo.status method is changed so that a
removed normal file isn't shown if there is largefile with the same
name, and vice versa for largefiles.
parent 06671371
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