Merge branch 'nk/perf-fsmonitor'

Add t/perf support for fsmonitor. * nk/perf-fsmonitor: t/perf/fsmonitor: add benchmark for dirty status t/perf/fsmonitor: perf comparison of multiple fsmonitor integrations t/perf/fsmonitor: initialize test with git reset t/perf/fsmonitor: factor setup for fsmonitor into function t/perf/fsmonitor: silence initial git commit t/perf/fsmonitor: shorten DESC to basename t/perf/fsmonitor: factor description out for readability t/perf/fsmonitor: improve error message if typoing hook name t/perf/fsmonitor: move watchman setup to one-time-repo-setup t/perf/fsmonitor: separate one time repo initialization