largefiles: use wrappedfunction() for match() override in overridecopy()
This reduced the time that the override is in place, but I that it's
correct this way (only for the duration of the orig() call).
Differential Revision: https://phab.mercurial-scm.org/D5867
BasedOnStyle: LLVM
IndentWidth: 8
UseTab: ForIndentation
BreakBeforeBraces: Linux
AllowShortIfStatementsOnASingleLine: false
IndentCaseLabels: false
AllowShortBlocksOnASingleLine: false
AllowShortFunctionsOnASingleLine: false
IncludeCategories:
- Regex: '^<'
Priority: 1
- Regex: '^"'
Priority: 2