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Merge remote-tracking branch 'obsidian/fix-url-format' into add-body-to-network-errors

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This commit is contained in:
John Ericson 2020-06-18 18:08:02 +00:00
commit fb432b0bd2
17 changed files with 111 additions and 54 deletions
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6
doc/manual/advanced-topics/diff-hook.xml
View file

@ -70,7 +70,7 @@ path just built.</para>
<screen>
$ nix-build ./deterministic.nix -A stable
these derivations will be built:
this derivation will be built:
/nix/store/z98fasz2jqy9gs0xbvdj939p27jwda38-stable.drv
building '/nix/store/z98fasz2jqy9gs0xbvdj939p27jwda38-stable.drv'...
/nix/store/yyxlzw3vqaas7wfp04g0b1xg51f2czgq-stable
@ -85,7 +85,7 @@ checking outputs of '/nix/store/z98fasz2jqy9gs0xbvdj939p27jwda38-stable.drv'...
<screen>
$ nix-build ./deterministic.nix -A unstable
these derivations will be built:
this derivation will be built:
/nix/store/cgl13lbj1w368r5z8gywipl1ifli7dhk-unstable.drv
building '/nix/store/cgl13lbj1w368r5z8gywipl1ifli7dhk-unstable.drv'...
/nix/store/krpqk0l9ib0ibi1d2w52z293zw455cap-unstable
@ -193,7 +193,7 @@ repeat = 1
An example output of this configuration:
<screen>
$ nix-build ./test.nix -A unstable
these derivations will be built:
this derivation will be built:
/nix/store/ch6llwpr2h8c3jmnf3f2ghkhx59aa97f-unstable.drv
building '/nix/store/ch6llwpr2h8c3jmnf3f2ghkhx59aa97f-unstable.drv' (round 1/2)...
building '/nix/store/ch6llwpr2h8c3jmnf3f2ghkhx59aa97f-unstable.drv' (round 2/2)...

2
doc/manual/advanced-topics/post-build-hook.xml
View file

@ -122,7 +122,7 @@ post-build-hook = /etc/nix/upload-to-cache.sh
<screen>
$ nix-build -E '(import &lt;nixpkgs&gt; {}).writeText "example" (builtins.toString builtins.currentTime)'
these derivations will be built:
this derivation will be built:
/nix/store/s4pnfbkalzy5qz57qs6yybna8wylkig6-example.drv
building '/nix/store/s4pnfbkalzy5qz57qs6yybna8wylkig6-example.drv'...
running post-build-hook '/home/grahamc/projects/github.com/NixOS/nix/post-hook.sh'...

2
doc/manual/command-ref/nix-env.xml
View file

@ -516,7 +516,7 @@ source:
$ nix-env -f '&lt;nixpkgs>' -iA hello --dry-run
(dry run; not doing anything)
installing ‘hello-2.10’
these paths will be fetched (0.04 MiB download, 0.19 MiB unpacked):
this path will be fetched (0.04 MiB download, 0.19 MiB unpacked):
/nix/store/wkhdf9jinag5750mqlax6z2zbwhqb76n-hello-2.10
<replaceable>...</replaceable></screen>

2
doc/manual/installation/env-variables.xml
View file

@ -39,7 +39,7 @@ bundle.</para>
<step><para>Set the environment variable and install Nix</para>
<screen>
$ export NIX_SSL_CERT_FILE=/etc/ssl/my-certificate-bundle.crt
$ sh &lt;(curl https://nixos.org/nix/install)
$ sh &lt;(curl -L https://nixos.org/nix/install)
</screen></step>
<step><para>In the shell profile and rc files (for example,

4
doc/manual/installation/installing-binary.xml
View file

@ -12,7 +12,7 @@
</para>
<screen>
$ sh &lt;(curl https://nixos.org/nix/install)
$ sh &lt;(curl -L https://nixos.org/nix/install)
</screen>
<para>
@ -39,7 +39,7 @@
To explicitly select a single-user installation on your system:
<screen>
sh &lt;(curl https://nixos.org/nix/install) --no-daemon
sh &lt;(curl -L https://nixos.org/nix/install) --no-daemon
</screen>
</para>

2
doc/manual/introduction/quick-start.xml
View file

@ -15,7 +15,7 @@ to subsequent chapters.</para>
<step><para>Install single-user Nix by running the following:
<screen>
$ bash &lt;(curl https://nixos.org/nix/install)
$ bash &lt;(curl -L https://nixos.org/nix/install)
</screen>
This will install Nix in <filename>/nix</filename>. The install script

13
src/libexpr/attr-path.cc
View file

@ -6,11 +6,11 @@
namespace nix {
static Strings parseAttrPath(const string & s)
static Strings parseAttrPath(std::string_view s)
{
Strings res;
string cur;
string::const_iterator i = s.begin();
auto i = s.begin();
while (i != s.end()) {
if (*i == '.') {
res.push_back(cur);
@ -32,6 +32,15 @@ static Strings parseAttrPath(const string & s)
}
std::vector<Symbol> parseAttrPath(EvalState & state, std::string_view s)
{
std::vector<Symbol> res;
for (auto & a : parseAttrPath(s))
res.push_back(state.symbols.create(a));
return res;
}
std::pair<Value *, Pos> findAlongAttrPath(EvalState & state, const string & attrPath,
Bindings & autoArgs, Value & vIn)
{

2
src/libexpr/attr-path.hh
View file

@ -16,4 +16,6 @@ std::pair<Value *, Pos> findAlongAttrPath(EvalState & state, const string & attr
/* Heuristic to find the filename and lineno or a nix value. */
Pos findDerivationFilename(EvalState & state, Value & v, std::string what);
std::vector<Symbol> parseAttrPath(EvalState & state, std::string_view s);
}

39
src/libexpr/eval.cc
View file

@ -161,12 +161,12 @@ const Value *getPrimOp(const Value &v) {
}
string showType(const Value & v)
string showType(ValueType type)
{
switch (v.type) {
switch (type) {
case tInt: return "an integer";
case tBool: return "a boolean";
case tString: return v.string.context ? "a string with context" : "a string";
case tBool: return "a Boolean";
case tString: return "a string";
case tPath: return "a path";
case tNull: return "null";
case tAttrs: return "a set";
@ -175,14 +175,27 @@ string showType(const Value & v)
case tApp: return "a function application";
case tLambda: return "a function";
case tBlackhole: return "a black hole";
case tPrimOp: return "a built-in function";
case tPrimOpApp: return "a partially applied built-in function";
case tExternal: return "an external value";
case tFloat: return "a float";
}
abort();
}
string showType(const Value & v)
{
switch (v.type) {
case tString: return v.string.context ? "a string with context" : "a string";
case tPrimOp:
return fmt("the built-in function '%s'", string(v.primOp->name));
case tPrimOpApp:
return fmt("the partially applied built-in function '%s'", string(getPrimOp(v)->primOp->name));
case tExternal: return v.external->showType();
case tFloat: return "a float";
default:
return showType(v.type);
}
abort();
}
@ -323,6 +336,7 @@ EvalState::EvalState(const Strings & _searchPath, ref<Store> store)
, sOutputHash(symbols.create("outputHash"))
, sOutputHashAlgo(symbols.create("outputHashAlgo"))
, sOutputHashMode(symbols.create("outputHashMode"))
, sRecurseForDerivations(symbols.create("recurseForDerivations"))
, repair(NoRepair)
, store(store)
, baseEnv(allocEnv(128))
@ -471,14 +485,21 @@ Value * EvalState::addConstant(const string & name, Value & v)
Value * EvalState::addPrimOp(const string & name,
size_t arity, PrimOpFun primOp)
{
auto name2 = string(name, 0, 2) == "__" ? string(name, 2) : name;
Symbol sym = symbols.create(name2);
/* Hack to make constants lazy: turn them into a application of
the primop to a dummy value. */
if (arity == 0) {
auto vPrimOp = allocValue();
vPrimOp->type = tPrimOp;
vPrimOp->primOp = new PrimOp(primOp, 1, sym);
Value v;
primOp(*this, noPos, nullptr, v);
mkApp(v, *vPrimOp, *vPrimOp);
return addConstant(name, v);
}
Value * v = allocValue();
string name2 = string(name, 0, 2) == "__" ? string(name, 2) : name;
Symbol sym = symbols.create(name2);
v->type = tPrimOp;
v->primOp = new PrimOp(primOp, arity, sym);
staticBaseEnv.vars[symbols.create(name)] = baseEnvDispl;

6
src/libexpr/eval.hh
View file

@ -18,7 +18,7 @@ namespace nix {
class Store;
class EvalState;
struct StorePath;
class StorePath;
enum RepairFlag : bool;
@ -74,7 +74,8 @@ public:
sSystem, sOverrides, sOutputs, sOutputName, sIgnoreNulls,
sFile, sLine, sColumn, sFunctor, sToString,
sRight, sWrong, sStructuredAttrs, sBuilder, sArgs,
sOutputHash, sOutputHashAlgo, sOutputHashMode;
sOutputHash, sOutputHashAlgo, sOutputHashMode,
sRecurseForDerivations;
Symbol sDerivationNix;
/* If set, force copying files to the Nix store even if they
@ -324,6 +325,7 @@ private:
/* Return a string representing the type of the value `v'. */
string showType(ValueType type);
string showType(const Value & v);
/* Decode a context string ‘!<name>!<path>’ into a pair <path,

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

@ -348,7 +348,7 @@ static void getDerivations(EvalState & state, Value & vIn,
should we recurse into it? => Only if it has a
`recurseForDerivations = true' attribute. */
if (i->value->type == tAttrs) {
Bindings::iterator j = i->value->attrs->find(state.symbols.create("recurseForDerivations"));
Bindings::iterator j = i->value->attrs->find(state.sRecurseForDerivations);
if (j != i->value->attrs->end() && state.forceBool(*j->value, *j->pos))
getDerivations(state, *i->value, pathPrefix2, autoArgs, drvs, done, ignoreAssertionFailures);
}

23
src/libexpr/primops.cc
View file

@ -50,20 +50,20 @@ void EvalState::realiseContext(const PathSet & context)
std::vector<StorePathWithOutputs> drvs;
for (auto & i : context) {
std::pair<string, string> decoded = decodeContext(i);
auto ctx = store->parseStorePath(decoded.first);
auto [ctxS, outputName] = decodeContext(i);
auto ctx = store->parseStorePath(ctxS);
if (!store->isValidPath(ctx))
throw InvalidPathError(store->printStorePath(ctx));
if (!decoded.second.empty() && ctx.isDerivation()) {
drvs.push_back(StorePathWithOutputs{ctx, {decoded.second}});
if (!outputName.empty() && ctx.isDerivation()) {
drvs.push_back(StorePathWithOutputs{ctx, {outputName}});
/* Add the output of this derivation to the allowed
paths. */
if (allowedPaths) {
auto drv = store->derivationFromPath(store->parseStorePath(decoded.first));
DerivationOutputs::iterator i = drv.outputs.find(decoded.second);
auto drv = store->derivationFromPath(ctx);
DerivationOutputs::iterator i = drv.outputs.find(outputName);
if (i == drv.outputs.end())
throw Error("derivation '%s' does not have an output named '%s'", decoded.first, decoded.second);
throw Error("derivation '%s' does not have an output named '%s'", ctxS, outputName);
allowedPaths->insert(store->printStorePath(i->second.path));
}
}
@ -79,6 +79,7 @@ void EvalState::realiseContext(const PathSet & context)
StorePathSet willBuild, willSubstitute, unknown;
unsigned long long downloadSize, narSize;
store->queryMissing(drvs, willBuild, willSubstitute, unknown, downloadSize, narSize);
store->buildPaths(drvs);
}
@ -2201,10 +2202,11 @@ static void prim_splitVersion(EvalState & state, const Pos & pos, Value * * args
RegisterPrimOp::PrimOps * RegisterPrimOp::primOps;
RegisterPrimOp::RegisterPrimOp(std::string name, size_t arity, PrimOpFun fun)
RegisterPrimOp::RegisterPrimOp(std::string name, size_t arity, PrimOpFun fun,
std::optional<std::string> requiredFeature)
{
if (!primOps) primOps = new PrimOps;
primOps->emplace_back(name, arity, fun);
primOps->push_back({name, arity, fun, requiredFeature});
}
@ -2396,7 +2398,8 @@ void EvalState::createBaseEnv()
if (RegisterPrimOp::primOps)
for (auto & primOp : *RegisterPrimOp::primOps)
addPrimOp(std::get<0>(primOp), std::get<1>(primOp), std::get<2>(primOp));
if (!primOp.requiredFeature || settings.isExperimentalFeatureEnabled(*primOp.requiredFeature))
addPrimOp(primOp.name, primOp.arity, primOp.primOp);
/* Now that we've added all primops, sort the `builtins' set,
because attribute lookups expect it to be sorted. */

17
src/libexpr/primops.hh
View file

@ -7,12 +7,25 @@ namespace nix {
struct RegisterPrimOp
{
typedef std::vector<std::tuple<std::string, size_t, PrimOpFun>> PrimOps;
struct Info
{
std::string name;
size_t arity;
PrimOpFun primOp;
std::optional<std::string> requiredFeature;
};
typedef std::vector<Info> PrimOps;
static PrimOps * primOps;
/* You can register a constant by passing an arity of 0. fun
will get called during EvalState initialization, so there
may be primops not yet added and builtins is not yet sorted. */
RegisterPrimOp(std::string name, size_t arity, PrimOpFun fun);
RegisterPrimOp(
std::string name,
size_t arity,
PrimOpFun fun,
std::optional<std::string> requiredFeature = {});
};
/* These primops are disabled without enableNativeCode, but plugins

20
src/libmain/shared.cc
View file

@ -48,7 +48,10 @@ void printMissing(ref<Store> store, const StorePathSet & willBuild,
unsigned long long downloadSize, unsigned long long narSize, Verbosity lvl)
{
if (!willBuild.empty()) {
printMsg(lvl, "these derivations will be built:");
if (willBuild.size() == 1)
printMsg(lvl, fmt("this derivation will be built:"));
else
printMsg(lvl, fmt("these %d derivations will be built:", willBuild.size()));
auto sorted = store->topoSortPaths(willBuild);
reverse(sorted.begin(), sorted.end());
for (auto & i : sorted)
@ -56,9 +59,18 @@ void printMissing(ref<Store> store, const StorePathSet & willBuild,
}
if (!willSubstitute.empty()) {
printMsg(lvl, fmt("these paths will be fetched (%.2f MiB download, %.2f MiB unpacked):",
downloadSize / (1024.0 * 1024.0),
narSize / (1024.0 * 1024.0)));
const float downloadSizeMiB = downloadSize / (1024.f * 1024.f);
const float narSizeMiB = narSize / (1024.f * 1024.f);
if (willSubstitute.size() == 1) {
printMsg(lvl, fmt("this path will be fetched (%.2f MiB download, %.2f MiB unpacked):",
downloadSizeMiB,
narSizeMiB));
} else {
printMsg(lvl, fmt("these %d paths will be fetched (%.2f MiB download, %.2f MiB unpacked):",
willSubstitute.size(),
downloadSizeMiB,
narSizeMiB));
}
for (auto & i : willSubstitute)
printMsg(lvl, fmt(" %s", store->printStorePath(i)));
}

2
src/libstore/binary-cache-store.cc
View file

@ -388,8 +388,6 @@ void BinaryCacheStore::addSignatures(const StorePath & storePath, const StringSe
narInfo->sigs.insert(sigs.begin(), sigs.end());
auto narInfoFile = narInfoFileFor(narInfo->path);
writeNarInfo(narInfo);
}

6
src/libstore/build.cc
View file

@ -86,7 +86,7 @@ struct HookInstance;
/* A pointer to a goal. */
class Goal;
struct Goal;
class DerivationGoal;
typedef std::shared_ptr<Goal> GoalPtr;
typedef std::weak_ptr<Goal> WeakGoalPtr;
@ -1196,8 +1196,8 @@ void DerivationGoal::haveDerivation()
parsedDrv = std::make_unique<ParsedDerivation>(drvPath, *drv);
if (parsedDrv->contentAddressed()) {
settings.requireExperimentalFeature("content-addressed-paths");
throw Error("content-addressed-paths isn't implemented yet");
settings.requireExperimentalFeature("ca-derivations");
throw Error("ca-derivations isn't implemented yet");
}

17
src/libstore/filetransfer.cc
View file

@ -424,16 +424,13 @@ struct curlFileTransfer : public FileTransfer
response = teeSink->data;
auto exc =
code == CURLE_ABORTED_BY_CALLBACK && _isInterrupted
? FileTransferError(Interrupted, response, fmt("%s of '%s' was interrupted", request.verb(), request.uri))
? FileTransferError(Interrupted, response, "%s of '%s' was interrupted", request.verb(), request.uri)
: httpStatus != 0
? FileTransferError(err, response,
fmt("unable to %s '%s': HTTP error %d",
request.verb(), request.uri, httpStatus)
+ (code == CURLE_OK ? "" : fmt(" (curl error: %s)", curl_easy_strerror(code)))
)
: FileTransferError(err, response,
fmt("unable to %s '%s': %s (%d)",
request.verb(), request.uri, curl_easy_strerror(code), code));
? FileTransferError(err, response, "unable to %s '%s': HTTP error %d%s",
request.verb(), request.uri, httpStatus,
code == CURLE_OK ? "" : fmt(" (curl error: %s)", curl_easy_strerror(code)))
: FileTransferError(err, response, "unable to %s '%s': %s (%d)",
request.verb(), request.uri, curl_easy_strerror(code), code);
/* If this is a transient error, then maybe retry the
download after a while. If we're writing to a
@ -689,7 +686,7 @@ struct curlFileTransfer : public FileTransfer
auto s3Res = s3Helper.getObject(bucketName, key);
FileTransferResult res;
if (!s3Res.data)
throw FileTransferError(NotFound, nullptr, fmt("S3 object '%s' does not exist", request.uri));
throw FileTransferError(NotFound, nullptr, "S3 object '%s' does not exist", request.uri);
res.data = s3Res.data;
callback(std::move(res));
#else