nix-config: 1b2a1cdde7e274bbf1238bd845458f289bfdeced

     1: From: Chris Warburton
     2: Date: Mon, 09 Apr 2018 10:06:57 +0100
     3: State: resolved
     4: Subject: Add a fetchIpfs function
     5: Message-Id: <93b977b47fb8f5db-0-artemis@nixos>
     6: resolution: fixed
     7: 
     8: Takes a hash. It should look for a /ipfs directory, if not found it
     9: should look for a localhost HTTP API and fall back to ipfs.io.
    10: 
    11: Find some well-known content that we can use as our check.
    12: 
    13: Note: we don't need to take an sha256 or anything, since IPFS is
    14: content-addressed.
    15: 
    16: See if we can make them fixed-output derivations.