upgrade: introduce the internal code for revlog cloning selection
For now we still clone every single revlogs but all the selection mechanism is
now in place in the lower layer.
The next changesets will introduce the user interface part of the selection.
BasedOnStyle: LLVM
IndentWidth: 8
UseTab: ForIndentation
BreakBeforeBraces: Linux
AllowShortIfStatementsOnASingleLine: false
IndentCaseLabels: false
AllowShortBlocksOnASingleLine: false
AllowShortFunctionsOnASingleLine: false
IncludeCategories:
- Regex: '^<'
Priority: 1
- Regex: '^"'
Priority: 2