[Updated] D11377: rhg: add support for calling `rhg cat` without a revision

[Alphare (Raphaël Gomès)]

Alphare added inline comments.

INLINE COMMENTS

> SimonSapin wrote in cat.rs:63
> What should happen when p1 is null? (Such as in a new empty repository.) Is this case covered by tests?

> What should happen when p1 is null? (Such as in a new empty repository.) Is this case covered by tests?

If `p1` is `nullrev`, it's the same path as any other revision, but if the dirstate does not exist, then it's an abort in the same way as `hg` does it. Should I add a testcase in `test-cat.t` or somewhere similar?

REPOSITORY
  rHG Mercurial

CHANGES SINCE LAST ACTION
  https://phab.mercurial-scm.org/D11377/new/

REVISION DETAIL
  https://phab.mercurial-scm.org/D11377

To: Alphare, #hg-reviewers
Cc: SimonSapin, mercurial-patches
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