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Merge remote-tracking branch 'origin/master' into debug-exploratory-PR

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This commit is contained in:
Eelco Dolstra 2022-05-04 14:10:21 +02:00
commit c98648bef0
58 changed files with 1041 additions and 330 deletions
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56
src/libexpr/eval-cache.cc
View file

@ -47,7 +47,7 @@ struct AttrDb
{
auto state(_state->lock());
Path cacheDir = getCacheDir() + "/nix/eval-cache-v2";
Path cacheDir = getCacheDir() + "/nix/eval-cache-v3";
createDirs(cacheDir);
Path dbPath = cacheDir + "/" + fingerprint.to_string(Base16, false) + ".sqlite";
@ -175,6 +175,24 @@ struct AttrDb
});
}
AttrId setListOfStrings(
AttrKey key,
const std::vector<std::string> & l)
{
return doSQLite([&]()
{
auto state(_state->lock());
state->insertAttribute.use()
(key.first)
(symbols[key.second])
(AttrType::ListOfStrings)
(concatStringsSep("\t", l)).exec();
return state->db.getLastInsertedRowId();
});
}
AttrId setPlaceholder(AttrKey key)
{
return doSQLite([&]()
@ -269,6 +287,8 @@ struct AttrDb
}
case AttrType::Bool:
return {{rowId, queryAttribute.getInt(2) != 0}};
case AttrType::ListOfStrings:
return {{rowId, tokenizeString<std::vector<std::string>>(queryAttribute.getStr(2), "\t")}};
case AttrType::Missing:
return {{rowId, missing_t()}};
case AttrType::Misc:
@ -385,7 +405,7 @@ std::string AttrCursor::getAttrPathStr(Symbol name) const
Value & AttrCursor::forceValue()
{
debug("evaluating uncached attribute %s", getAttrPathStr());
debug("evaluating uncached attribute '%s'", getAttrPathStr());
auto & v = getValue();
@ -626,6 +646,38 @@ bool AttrCursor::getBool()
return v.boolean;
}
std::vector<std::string> AttrCursor::getListOfStrings()
{
if (root->db) {
if (!cachedValue)
cachedValue = root->db->getAttr(getKey());
if (cachedValue && !std::get_if<placeholder_t>(&cachedValue->second)) {
if (auto l = std::get_if<std::vector<std::string>>(&cachedValue->second)) {
debug("using cached list of strings attribute '%s'", getAttrPathStr());
return *l;
} else
throw TypeError("'%s' is not a list of strings", getAttrPathStr());
}
}
debug("evaluating uncached attribute '%s'", getAttrPathStr());
auto & v = getValue();
root->state.forceValue(v, noPos);
if (v.type() != nList)
throw TypeError("'%s' is not a list", getAttrPathStr());
std::vector<std::string> res;
for (auto & elem : v.listItems())
res.push_back(std::string(root->state.forceStringNoCtx(*elem)));
cachedValue = {root->db->setListOfStrings(getKey(), res), res};
return res;
}
std::vector<Symbol> AttrCursor::getAttrs()
{
if (root->db) {

6
src/libexpr/eval-cache.hh
View file

@ -44,6 +44,7 @@ enum AttrType {
Misc = 4,
Failed = 5,
Bool = 6,
ListOfStrings = 7,
};
struct placeholder_t {};
@ -61,7 +62,8 @@ typedef std::variant<
missing_t,
misc_t,
failed_t,
bool
bool,
std::vector<std::string>
> AttrValue;
class AttrCursor : public std::enable_shared_from_this<AttrCursor>
@ -114,6 +116,8 @@ public:
bool getBool();
std::vector<std::string> getListOfStrings();
std::vector<Symbol> getAttrs();
bool isDerivation();

11
src/libexpr/flake/config.cc
View file

@ -50,13 +50,11 @@ void ConfigFile::apply()
else
assert(false);
if (!whitelist.count(baseName)) {
auto trustedList = readTrustedList();
if (!whitelist.count(baseName) && !nix::fetchSettings.acceptFlakeConfig) {
bool trusted = false;
if (nix::fetchSettings.acceptFlakeConfig){
trusted = true;
} else if (auto saved = get(get(trustedList, name).value_or(std::map<std::string, bool>()), valueS)) {
auto trustedList = readTrustedList();
auto tlname = get(trustedList, name);
if (auto saved = tlname ? get(*tlname, valueS) : nullptr) {
trusted = *saved;
warn("Using saved setting for '%s = %s' from ~/.local/share/nix/trusted-settings.json.", name,valueS);
} else {
@ -69,7 +67,6 @@ void ConfigFile::apply()
writeTrustedList(trustedList);
}
}
if (!trusted) {
warn("ignoring untrusted flake configuration setting '%s'", name);
continue;

17
src/libexpr/flake/flakeref.cc
View file

@ -176,7 +176,7 @@ std::pair<FlakeRef, std::string> parseFlakeRefWithFragment(
parsedURL.query.insert_or_assign("shallow", "1");
return std::make_pair(
FlakeRef(Input::fromURL(parsedURL), get(parsedURL.query, "dir").value_or("")),
FlakeRef(Input::fromURL(parsedURL), getOr(parsedURL.query, "dir", "")),
fragment);
}
@ -189,7 +189,7 @@ std::pair<FlakeRef, std::string> parseFlakeRefWithFragment(
if (!hasPrefix(path, "/"))
throw BadURL("flake reference '%s' is not an absolute path", url);
auto query = decodeQuery(match[2]);
path = canonPath(path + "/" + get(query, "dir").value_or(""));
path = canonPath(path + "/" + getOr(query, "dir", ""));
}
fetchers::Attrs attrs;
@ -208,7 +208,7 @@ std::pair<FlakeRef, std::string> parseFlakeRefWithFragment(
input.parent = baseDir;
return std::make_pair(
FlakeRef(std::move(input), get(parsedURL.query, "dir").value_or("")),
FlakeRef(std::move(input), getOr(parsedURL.query, "dir", "")),
fragment);
}
}
@ -238,4 +238,15 @@ std::pair<fetchers::Tree, FlakeRef> FlakeRef::fetchTree(ref<Store> store) const
return {std::move(tree), FlakeRef(std::move(lockedInput), subdir)};
}
std::tuple<FlakeRef, std::string, OutputsSpec> parseFlakeRefWithFragmentAndOutputsSpec(
const std::string & url,
const std::optional<Path> & baseDir,
bool allowMissing,
bool isFlake)
{
auto [prefix, outputsSpec] = parseOutputsSpec(url);
auto [flakeRef, fragment] = parseFlakeRefWithFragment(prefix, baseDir, allowMissing, isFlake);
return {std::move(flakeRef), fragment, outputsSpec};
}
}

8
src/libexpr/flake/flakeref.hh
View file

@ -3,6 +3,7 @@
#include "types.hh"
#include "hash.hh"
#include "fetchers.hh"
#include "path-with-outputs.hh"
#include <variant>
@ -79,4 +80,11 @@ std::pair<FlakeRef, std::string> parseFlakeRefWithFragment(
std::optional<std::pair<FlakeRef, std::string>> maybeParseFlakeRefWithFragment(
const std::string & url, const std::optional<Path> & baseDir = {});
std::tuple<FlakeRef, std::string, OutputsSpec> parseFlakeRefWithFragmentAndOutputsSpec(
const std::string & url,
const std::optional<Path> & baseDir = {},
bool allowMissing = false,
bool isFlake = true);
}

2
src/libexpr/get-drvs.cc
View file

@ -34,7 +34,7 @@ DrvInfo::DrvInfo(EvalState & state, ref<Store> store, const std::string & drvPat
outputName =
selectedOutputs.empty()
? get(drv.env, "outputName").value_or("out")
? getOr(drv.env, "outputName", "out")
: *selectedOutputs.begin();
auto i = drv.outputs.find(outputName);

19
src/libexpr/primops.cc
View file

@ -76,18 +76,18 @@ StringMap EvalState::realiseContext(const PathSet & context)
/* Get all the output paths corresponding to the placeholders we had */
for (auto & [drvPath, outputs] : drvs) {
auto outputPaths = store->queryDerivationOutputMap(drvPath);
const auto outputPaths = store->queryDerivationOutputMap(drvPath);
for (auto & outputName : outputs) {
if (outputPaths.count(outputName) == 0)
{
auto outputPath = get(outputPaths, outputName);
if (!outputPath) {
auto e = Error("derivation '%s' does not have an output named '%s'",
store->printStorePath(drvPath), outputName);
store->printStorePath(drvPath), outputName);
debugLastTrace(e);
throw e;
}
res.insert_or_assign(
downstreamPlaceholder(*store, drvPath, outputName),
store->printStorePath(outputPaths.at(outputName))
store->printStorePath(*outputPath)
);
}
}
@ -1369,8 +1369,13 @@ static void prim_derivationStrict(EvalState & state, const PosIdx pos, Value * *
switch (hashModulo.kind) {
case DrvHash::Kind::Regular:
for (auto & i : outputs) {
auto h = hashModulo.hashes.at(i);
auto outPath = state.store->makeOutputPath(i, h, drvName);
auto h = get(hashModulo.hashes, i);
if (!h)
throw AssertionError({
.msg = hintfmt("derivation produced no hash for output '%s'", i),
.errPos = state.positions[posDrvName],
});
auto outPath = state.store->makeOutputPath(i, *h, drvName);
drv.env[i] = state.store->printStorePath(outPath);
drv.outputs.insert_or_assign(
i,