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downloadCached: Return ETag

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(cherry picked from commit 529add316c)
This commit is contained in:
Eelco Dolstra 2019-02-25 23:20:50 +08:00
parent 94f11d0a61
commit dc29e9fb47
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GPG key ID: 8170B4726D7198DE
6 changed files with 29 additions and 12 deletions
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2
src/libexpr/common-eval-args.cc
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@ -46,7 +46,7 @@ Bindings * MixEvalArgs::getAutoArgs(EvalState & state)
Path lookupFileArg(EvalState & state, string s)
{
if (isUri(s))
return getDownloader()->downloadCached(state.store, s, true);
return getDownloader()->downloadCached(state.store, s, true).path;
else if (s.size() > 2 && s.at(0) == '<' && s.at(s.size() - 1) == '>') {
Path p = s.substr(1, s.size() - 2);
return state.findFile(p);

2
src/libexpr/parser.y
View file

@ -677,7 +677,7 @@ std::pair<bool, std::string> EvalState::resolveSearchPathElem(const SearchPathEl
if (isUri(elem.second)) {
try {
res = { true, getDownloader()->downloadCached(store, elem.second, true) };
res = { true, getDownloader()->downloadCached(store, elem.second, true).path };
} catch (DownloadError & e) {
printError(format("warning: Nix search path entry '%1%' cannot be downloaded, ignoring") % elem.second);
res = { false, "" };

2
src/libexpr/primops.cc
View file

@ -2083,7 +2083,7 @@ void fetch(EvalState & state, const Pos & pos, Value * * args, Value & v,
if (evalSettings.pureEval && !expectedHash)
throw Error("in pure evaluation mode, '%s' requires a 'sha256' argument", who);
Path res = getDownloader()->downloadCached(state.store, url, unpack, name, expectedHash);
Path res = getDownloader()->downloadCached(state.store, url, unpack, name, expectedHash).path;
if (state.allowedPaths)
state.allowedPaths->insert(res);