test: introduce a new flag to display env variable line per line
It's easier to conditionalize some of the environment variables per Mercurial
version once there is only one value per line.
Differential Revision: https://phab.mercurial-scm.org/D5453
BasedOnStyle: LLVM
IndentWidth: 8
UseTab: ForIndentation
BreakBeforeBraces: Linux
AllowShortIfStatementsOnASingleLine: false
IndentCaseLabels: false
AllowShortBlocksOnASingleLine: false
AllowShortFunctionsOnASingleLine: false
IncludeCategories:
- Regex: '^<'
Priority: 1
- Regex: '^"'
Priority: 2