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WIP: Make Hash always store a valid hash type

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This commit is contained in:
John Ericson 2020-06-19 18:41:33 +00:00
parent 984e521392
commit 507aa48739
29 changed files with 126 additions and 124 deletions
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8
src/libexpr/primops.cc
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@ -1122,7 +1122,7 @@ static void prim_toFile(EvalState & state, const Pos & pos, Value * * args, Valu
static void addPath(EvalState & state, const Pos & pos, const string & name, const Path & path_,
Value * filterFun, FileIngestionMethod method, const Hash & expectedHash, Value & v)
Value * filterFun, FileIngestionMethod method, const std::optional<Hash> expectedHash, Value & v)
{
const auto path = evalSettings.pureEval && expectedHash ?
path_ :
@ -1153,7 +1153,7 @@ static void addPath(EvalState & state, const Pos & pos, const string & name, con
std::optional<StorePath> expectedStorePath;
if (expectedHash)
expectedStorePath = state.store->makeFixedOutputPath(method, expectedHash, name);
expectedStorePath = state.store->makeFixedOutputPath(method, *expectedHash, name);
Path dstPath;
if (!expectedHash || !state.store->isValidPath(*expectedStorePath)) {
dstPath = state.store->printStorePath(settings.readOnlyMode
@ -1187,7 +1187,7 @@ static void prim_filterSource(EvalState & state, const Pos & pos, Value * * args
.nixCode = NixCode { .errPos = pos }
});
addPath(state, pos, std::string(baseNameOf(path)), path, args[0], FileIngestionMethod::Recursive, Hash(), v);
addPath(state, pos, std::string(baseNameOf(path)), path, args[0], FileIngestionMethod::Recursive, std::nullopt, v);
}
static void prim_path(EvalState & state, const Pos & pos, Value * * args, Value & v)
@ -1197,7 +1197,7 @@ static void prim_path(EvalState & state, const Pos & pos, Value * * args, Value
string name;
Value * filterFun = nullptr;
auto method = FileIngestionMethod::Recursive;
Hash expectedHash;
Hash expectedHash(htSHA256);
for (auto & attr : *args[0]->attrs) {
const string & n(attr.name);

4
src/libexpr/primops/fetchTree.cc
View file

@ -23,7 +23,7 @@ void emitTreeAttrs(
assert(tree.info.narHash);
mkString(*state.allocAttr(v, state.symbols.create("narHash")),
tree.info.narHash.to_string(SRI, true));
tree.info.narHash->to_string(SRI, true));
if (input->getRev()) {
mkString(*state.allocAttr(v, state.symbols.create("rev")), input->getRev()->gitRev());
@ -147,7 +147,7 @@ static void fetch(EvalState & state, const Pos & pos, Value * * args, Value & v,
: hashFile(htSHA256, path);
if (hash != *expectedHash)
throw Error((unsigned int) 102, "hash mismatch in file downloaded from '%s':\n wanted: %s\n got: %s",
*url, expectedHash->to_string(Base32, true), hash.to_string(Base32, true));
*url, expectedHash->to_string(Base32, true), hash->to_string(Base32, true));
}
if (state.allowedPaths)