view .arcconfig @ 45399:e7c5735433ac

extdiff: pass full paths of `dir1a` and `dir1b` to `_runperfilediff()`

Earlier we were passing basename instead of the fullpath and then joining with
the tmproot. This is wrong because the user can choose `rev1a` as wdir and in
those cases, tmproot should not be joined with the path.

I am working on refactoring extdiff logic so that we can have options like `diff
--tool` and encountered this. Although this patch in itself makes no difference,
however in future when a new caller of `_runperfilediff()` will be added, it
will be useful to directly pass on the full paths instead.

Differential Revision: https://phab.mercurial-scm.org/D8969

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