`mapfs`: _Never use a temp directory again_ (!39155) · Merge requests · Warren Gifford / sourcegraph

Warren Gifford requested to merge ef/mapfs into main Jul 20, 2022

Created by: efritz

Extracted from #36319. This PR adds the internal/mapfs package that presents a dictionary from filenames to file contents as an fs.FS interface.

Test plan

Additional unit tests in this PR.