.editorconfig

manifestcache: only lock the repository if the debug command touch the cache

Not doing so had two consequences:
1) the command cannot be run on read only repositories,
2) when using --add on an empty cache, the command crash prematurely trying to
   read the cache file on disk.

# 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