narrow: filter files by narrowspec in ctx.matches()
This has no effect yet because 1) for committed changes, ctx.matches()
just calls ctx.walk(), which we updated in the previous patch, and 2)
for the working copy, the filtering is also done in the overridden
dirstate.walk() in narrowdirstate.
Differential Revision: https://phab.mercurial-scm.org/D4899
# See http://EditorConfig.org for the specification
root = true
[*.py]
indent_size = 4
indent_style = space
trim_trailing_whitespace = true
[*.{c,h}]
indent_size = 8
indent_style = tab
trim_trailing_whitespace = true
[*.t]
indent_size = 2
indent_style = space
trim_trailing_whitespace = false