• built on NixOS
• The tests defined in passthru.tests, if any, passed
• /bin/sh passed the binary check.
• 1 of 1 passed binary check by having a zero exit code.
• 0 of 1 passed binary check by having the new version present in output.
• found 2019.07.22.00 with grep in /nix/store/2y546872arcc4hxhy36jfjcfylc9xlvm-folly-2019.07.22.00
• directory tree listing: https://gist.github.com/8ab8a707778e34b03e1273734c6dbef8
• du listing: https://gist.github.com/ed5533b44dd449b3fc3147f233b4c912

2 total rebuild path(s)

1 package rebuild(s)

1 x86_64-linux rebuild(s)
0 i686-linux rebuild(s)
1 x86_64-darwin rebuild(s)
0 aarch64-linux rebuild(s)

First fifty rebuilds by attrpath
folly

Either download from Cachix:

nix-store -r /nix/store/2y546872arcc4hxhy36jfjcfylc9xlvm-folly-2019.07.22.00 \
  --option binary-caches 'https://cache.nixos.org/ https://r-ryantm.cachix.org/' \
  --option trusted-public-keys '
  r-ryantm.cachix.org-1:gkUbLkouDAyvBdpBX0JOdIiD2/DP1ldF3Z3Y6Gqcc4c=
  cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY=
  '

(r-ryantm's Cachix cache is only trusted for this store-path realization.)

Or, build yourself:

nix-build -A folly https://github.com/r-ryantm/nixpkgs/archive/fb74eae088a7b7ad35a45d63c34a46810c22f17e.tar.gz

After you've downloaded or built it, look at the files and if there are any, run the binaries:

ls -la /nix/store/2y546872arcc4hxhy36jfjcfylc9xlvm-folly-2019.07.22.00
ls -la /nix/store/2y546872arcc4hxhy36jfjcfylc9xlvm-folly-2019.07.22.00/bin