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exportGit: Don't clone local repositories

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This ensures that commands like 'nix flake info /my/nixpkgs' don't
copy a gigabyte of crap to ~/.cache/nix.

Fixes #60.
This commit is contained in:
Eelco Dolstra 2019-04-19 14:06:27 +02:00
parent 160ce18a0e
commit 0cbda84f5b
5 changed files with 88 additions and 54 deletions
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5
src/libstore/http-binary-cache-store.cc
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@ -160,10 +160,11 @@ static RegisterStoreImplementation regStore([](
const std::string & uri, const Store::Params & params)
-> std::shared_ptr<Store>
{
static bool forceHttp = getEnv("_NIX_FORCE_HTTP") == "1";
if (std::string(uri, 0, 7) != "http://" &&
std::string(uri, 0, 8) != "https://" &&
(getEnv("_NIX_FORCE_HTTP_BINARY_CACHE_STORE") != "1" || std::string(uri, 0, 7) != "file://")
) return 0;
(!forceHttp || std::string(uri, 0, 7) != "file://"))
return 0;
auto store = std::make_shared<HttpBinaryCacheStore>(params, uri);
store->init();
return store;