repoview: extract a function for wrapping changelog
I would like to clean up the changelog class by moving out knowledge
of filtering. The filtering will instead be done in a class that wraps
the changelog. This patch prepares for that.
Differential Revision: https://phab.mercurial-scm.org/D7235
BasedOnStyle: LLVM
IndentWidth: 8
UseTab: ForIndentation
BreakBeforeBraces: Linux
AllowShortIfStatementsOnASingleLine: false
IndentCaseLabels: false
AllowShortBlocksOnASingleLine: false
AllowShortFunctionsOnASingleLine: false
IncludeCategories:
- Regex: '^<'
Priority: 1
- Regex: '^"'
Priority: 2