D3175: commands: implement `export --format=X` with support for CBOR

[yuja (Yuya Nishihara)]

yuja requested changes to this revision.
yuja added a comment.
This revision now requires changes to proceed.


  OK, `hg export -Tjson` appears mostly working. Perhaps we can add
  cborfromatter for `-Tcbor`.

REPOSITORY
  rHG Mercurial

REVISION DETAIL
  https://phab.mercurial-scm.org/D3175

To: indygreg, #hg-reviewers, yuja
Cc: yuja, durin42, mercurial-devel