view .arcconfig @ 39123:4d7b11877dd0

filemerge: add the function to examine a capability of a internal tool

For "symlink" and "binary" capabilities, _toolbool() can not examine
these of internal merge tools strictly, because it examines only
configurations in "merge-tools" section.

Users can configure them explicitly as below for example, but this is
not ordinary usage and not convenient:

  [merge-tools]
  :other.symlink = true
  :other.binary = true

This patch adds hascapability() internal function, which can examine
actual capabilities of a internal merge tool strictly.

At this patch, hascapability() is still used with "strict=False".
Subsequent patches use it with "strict=True".

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    "conduit_uri": "https://phab.mercurial-scm.org/api",
    "repository.callsign": "HG",
    "arc.land.onto.default": "@",
    "base": "hg:.^"
}