core/pkgs/build-support/fetchipfs/default.nix

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{ stdenv, curl }:
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{
ipfs,
url ? "",
curlOpts ? "",
outputHash ? "",
outputHashAlgo ? "",
md5 ? "",
sha1 ? "",
sha256 ? "",
sha512 ? "",
meta ? { },
port ? "8080",
postFetch ? "",
preferLocalBuild ? true,
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}:
let
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hasHash =
(outputHash != "" && outputHashAlgo != "")
|| md5 != ""
|| sha1 != ""
|| sha256 != ""
|| sha512 != "";
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in
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if (!hasHash) then
throw "Specify sha for fetchipfs fixed-output derivation"
else
stdenv.mkDerivation {
name = ipfs;
builder = ./builder.sh;
nativeBuildInputs = [ curl ];
# New-style output content requirements.
outputHashAlgo =
if outputHashAlgo != "" then
outputHashAlgo
else if sha512 != "" then
"sha512"
else if sha256 != "" then
"sha256"
else if sha1 != "" then
"sha1"
else
"md5";
outputHash =
if outputHash != "" then
outputHash
else if sha512 != "" then
sha512
else if sha256 != "" then
sha256
else if sha1 != "" then
sha1
else
md5;
outputHashMode = "recursive";
inherit
curlOpts
postFetch
ipfs
url
port
meta
;
# Doing the download on a remote machine just duplicates network
# traffic, so don't do that.
inherit preferLocalBuild;
}