Summary:
If you just use this profile `hg sparse switch tools/scm/sparse/xplat/flipper-js`, your total checkout will only be around 9 gigs.
I officially ran out of patience and out of space with the recent addition of `/arvr` which alone is about 40GB and I mostly touch Flipper files.
I also included staticdocs and the Rust third-party libraries so Launcher, plugin-metrics etc. are supported, too.
Reviewed By: mweststrate
Differential Revision: D31243980
fbshipit-source-id: 650d67d89298901610fa20330b7737f0a304569e
1d5a2d876f