Improve performance of `analyze`#83

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greezybacon wants to merge 3 commits intoku1ik:masterfrom

greezybacon:issue/analyze-performance

Commits on Jan 30, 2019

perf: Avoid sorting the entire tree at the end
Jared Hancock
committed
perf: Better regex for scrubbing rsync listing
Jared Hancock
committed
perf: Use `cut -b` for stripping the mode
Jared Hancock
committed