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Get rid of downloadCached()

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Everything uses the generic caching system now.
This commit is contained in:
Eelco Dolstra 2020-03-18 17:23:56 +01:00
parent c5ec95e2c7
commit f6ddf48882
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GPG key ID: 8170B4726D7198DE
9 changed files with 113 additions and 260 deletions
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67
src/libexpr/primops.cc
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@ -1,6 +1,5 @@
#include "archive.hh"
#include "derivations.hh"
#include "download.hh"
#include "eval-inline.hh"
#include "eval.hh"
#include "globals.hh"
@ -2046,68 +2045,6 @@ static void prim_splitVersion(EvalState & state, const Pos & pos, Value * * args
}
/*************************************************************
* Networking
*************************************************************/
void fetch(EvalState & state, const Pos & pos, Value * * args, Value & v,
const string & who, bool unpack, const std::string & defaultName)
{
CachedDownloadRequest request("");
request.unpack = unpack;
request.name = defaultName;
state.forceValue(*args[0]);
if (args[0]->type == tAttrs) {
state.forceAttrs(*args[0], pos);
for (auto & attr : *args[0]->attrs) {
string n(attr.name);
if (n == "url")
request.uri = state.forceStringNoCtx(*attr.value, *attr.pos);
else if (n == "sha256")
request.expectedHash = Hash(state.forceStringNoCtx(*attr.value, *attr.pos), htSHA256);
else if (n == "name")
request.name = state.forceStringNoCtx(*attr.value, *attr.pos);
else
throw EvalError(format("unsupported argument '%1%' to '%2%', at %3%") % attr.name % who % attr.pos);
}
if (request.uri.empty())
throw EvalError(format("'url' argument required, at %1%") % pos);
} else
request.uri = state.forceStringNoCtx(*args[0], pos);
state.checkURI(request.uri);
if (evalSettings.pureEval && !request.expectedHash)
throw Error("in pure evaluation mode, '%s' requires a 'sha256' argument", who);
auto res = getDownloader()->downloadCached(state.store, request);
if (state.allowedPaths)
state.allowedPaths->insert(res.path);
mkString(v, res.storePath, PathSet({res.storePath}));
}
static void prim_fetchurl(EvalState & state, const Pos & pos, Value * * args, Value & v)
{
fetch(state, pos, args, v, "fetchurl", false, "");
}
static void prim_fetchTarball(EvalState & state, const Pos & pos, Value * * args, Value & v)
{
fetch(state, pos, args, v, "fetchTarball", true, "source");
}
/*************************************************************
* Primop registration
*************************************************************/
@ -2290,10 +2227,6 @@ void EvalState::createBaseEnv()
addPrimOp("derivationStrict", 1, prim_derivationStrict);
addPrimOp("placeholder", 1, prim_placeholder);
// Networking
addPrimOp("__fetchurl", 1, prim_fetchurl);
addPrimOp("fetchTarball", 1, prim_fetchTarball);
/* Add a wrapper around the derivation primop that computes the
`drvPath' and `outPath' attributes lazily. */
string path = canonPath(settings.nixDataDir + "/nix/corepkgs/derivation.nix", true);