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authorVincent Ambo <mail@tazj.in>2020-08-20T02·28+0100
committertazjin <mail@tazj.in>2020-08-20T11·48+0000
commit33e8b0f975cd8934405c568cfa1d7e2a1edfa425 (patch)
tree2d67c57661cd424bfe6c87d33c4d38212f9a4e3c /third_party/nix/src/libstore
parentf7fa77f14dedad98ab9e8a014d3bcfd60565dfd0 (diff)
chore(tvix): Thread a std::ostream through Store::buildPaths r/1689
This part of the store API needs to carry a handle to the log sink
from now on, so that it can be passed in as appropriate from the gRPC
handlers.

In all places where there is no such handler available at the moment,
the discarding log sink has been inserted. This can be used as a
convenient grep target in the future.

Change-Id: I26628e30b4c6437dccdf8f722ca2e8ed827dfc19
Reviewed-on: https://cl.tvl.fyi/c/depot/+/1797
Tested-by: BuildkiteCI
Reviewed-by: kanepyork <rikingcoding@gmail.com>
Reviewed-by: glittershark <grfn@gws.fyi>
Diffstat (limited to 'third_party/nix/src/libstore')
-rw-r--r--third_party/nix/src/libstore/build.cc10
-rw-r--r--third_party/nix/src/libstore/local-store.hh3
-rw-r--r--third_party/nix/src/libstore/remote-store.cc9
-rw-r--r--third_party/nix/src/libstore/remote-store.hh3
-rw-r--r--third_party/nix/src/libstore/rpc-store.cc21
-rw-r--r--third_party/nix/src/libstore/rpc-store.hh4
-rw-r--r--third_party/nix/src/libstore/store-api.cc3
-rw-r--r--third_party/nix/src/libstore/store-api.hh10
8 files changed, 33 insertions, 30 deletions
diff --git a/third_party/nix/src/libstore/build.cc b/third_party/nix/src/libstore/build.cc
index 91f80e51e042..4b9232b1a221 100644
--- a/third_party/nix/src/libstore/build.cc
+++ b/third_party/nix/src/libstore/build.cc
@@ -7,6 +7,7 @@
 #include <iostream>
 #include <map>
 #include <memory>
+#include <ostream>
 #include <queue>
 #include <regex>
 #include <sstream>
@@ -4687,8 +4688,9 @@ static void primeCache(Store& store, const PathSet& paths) {
   }
 }
 
-absl::Status LocalStore::buildPaths(const PathSet& drvPaths,
-                                    BuildMode buildMode) {
+absl::Status LocalStore::buildPaths(std::ostream& /* log_sink */,
+                                    const PathSet& drvPaths,
+                                    BuildMode build_mode) {
   Worker worker(*this);
 
   primeCache(*this, drvPaths);
@@ -4697,10 +4699,10 @@ absl::Status LocalStore::buildPaths(const PathSet& drvPaths,
   for (auto& i : drvPaths) {
     DrvPathWithOutputs i2 = parseDrvPathWithOutputs(i);
     if (isDerivation(i2.first)) {
-      goals.insert(worker.makeDerivationGoal(i2.first, i2.second, buildMode));
+      goals.insert(worker.makeDerivationGoal(i2.first, i2.second, build_mode));
     } else {
       goals.insert(worker.makeSubstitutionGoal(
-          i, buildMode == bmRepair ? Repair : NoRepair));
+          i, build_mode == bmRepair ? Repair : NoRepair));
     }
   }
 
diff --git a/third_party/nix/src/libstore/local-store.hh b/third_party/nix/src/libstore/local-store.hh
index f9e08e5e6be1..669b878b6601 100644
--- a/third_party/nix/src/libstore/local-store.hh
+++ b/third_party/nix/src/libstore/local-store.hh
@@ -156,7 +156,8 @@ class LocalStore : public LocalFSStore {
   Path addTextToStore(const std::string& name, const std::string& s,
                       const PathSet& references, RepairFlag repair) override;
 
-  absl::Status buildPaths(const PathSet& paths, BuildMode buildMode) override;
+  absl::Status buildPaths(std::ostream& log_sink, const PathSet& paths,
+                          BuildMode build_mode) override;
 
   BuildResult buildDerivation(const Path& drvPath, const BasicDerivation& drv,
                               BuildMode buildMode) override;
diff --git a/third_party/nix/src/libstore/remote-store.cc b/third_party/nix/src/libstore/remote-store.cc
index 6948d4e61d0e..e99c442c3d67 100644
--- a/third_party/nix/src/libstore/remote-store.cc
+++ b/third_party/nix/src/libstore/remote-store.cc
@@ -460,18 +460,19 @@ Path RemoteStore::addTextToStore(const std::string& name, const std::string& s,
   return readStorePath(*this, conn->from);
 }
 
-absl::Status RemoteStore::buildPaths(const PathSet& drvPaths,
-                                     BuildMode buildMode) {
+absl::Status RemoteStore::buildPaths(std::ostream& /* log_sink */,
+                                     const PathSet& drvPaths,
+                                     BuildMode build_mode) {
   auto conn(getConnection());
   conn->to << wopBuildPaths;
   if (GET_PROTOCOL_MINOR(conn->daemonVersion) >= 13) {
     conn->to << drvPaths;
     if (GET_PROTOCOL_MINOR(conn->daemonVersion) >= 15) {
-      conn->to << buildMode;
+      conn->to << build_mode;
     } else
         /* Old daemons did not take a 'buildMode' parameter, so we
            need to validate it here on the client side.  */
-        if (buildMode != bmNormal) {
+        if (build_mode != bmNormal) {
       return absl::Status(
           absl::StatusCode::kInvalidArgument,
           "repairing or checking is not supported when building through the "
diff --git a/third_party/nix/src/libstore/remote-store.hh b/third_party/nix/src/libstore/remote-store.hh
index 4aad5a5d2f02..60da6045a81a 100644
--- a/third_party/nix/src/libstore/remote-store.hh
+++ b/third_party/nix/src/libstore/remote-store.hh
@@ -71,7 +71,8 @@ class RemoteStore : public virtual Store {
   Path addTextToStore(const std::string& name, const std::string& s,
                       const PathSet& references, RepairFlag repair) override;
 
-  absl::Status buildPaths(const PathSet& paths, BuildMode buildMode) override;
+  absl::Status buildPaths(std::ostream& log_sink, const PathSet& paths,
+                          BuildMode build_mode) override;
 
   BuildResult buildDerivation(const Path& drvPath, const BasicDerivation& drv,
                               BuildMode buildMode) override;
diff --git a/third_party/nix/src/libstore/rpc-store.cc b/third_party/nix/src/libstore/rpc-store.cc
index f3fc5582f3ef..92ad4e762bf9 100644
--- a/third_party/nix/src/libstore/rpc-store.cc
+++ b/third_party/nix/src/libstore/rpc-store.cc
@@ -4,6 +4,7 @@
 #include <filesystem>
 #include <memory>
 #include <optional>
+#include <ostream>
 
 #include <absl/status/status.h>
 #include <absl/strings/str_cat.h>
@@ -318,7 +319,8 @@ Path RpcStore::addTextToStore(const std::string& name,
   return result.path();
 }
 
-absl::Status RpcStore::buildPaths(const PathSet& paths, BuildMode buildMode) {
+absl::Status RpcStore::buildPaths(std::ostream& log_sink, const PathSet& paths,
+                                  BuildMode build_mode) {
   ClientContext ctx;
   proto::BuildPathsRequest request;
   for (const auto& path : paths) {
@@ -326,14 +328,7 @@ absl::Status RpcStore::buildPaths(const PathSet& paths, BuildMode buildMode) {
   }
 
   google::protobuf::Empty response;
-  request.set_mode(nix::BuildModeToProto(buildMode));
-
-  // TODO(tazjin): Temporary no-op sink used to discard build output,
-  // but satisfy the compiler. A real one is needed.
-  //
-  // Maybe this should just be stderr, considering that this is the
-  // *client*, but I'm not sure.
-  std::ostream discard_logs = DiscardLogsSink();
+  request.set_mode(nix::BuildModeToProto(build_mode));
 
   std::unique_ptr<grpc::ClientReader<proto::BuildEvent>> reader =
       stub_->BuildPaths(&ctx, request);
@@ -342,11 +337,11 @@ absl::Status RpcStore::buildPaths(const PathSet& paths, BuildMode buildMode) {
   while (reader->Read(&event)) {
     if (event.has_build_log()) {
       // TODO(tazjin): Include .path()?
-      discard_logs << event.build_log().line();
+      log_sink << event.build_log().line();
     } else {
-      discard_logs << std::endl
-                   << "Building path: " << event.building_path().path()
-                   << std::endl;
+      log_sink << std::endl
+               << "Building path: " << event.building_path().path()
+               << std::endl;
     }
 
     // has_result() is not in use in this call (for now)
diff --git a/third_party/nix/src/libstore/rpc-store.hh b/third_party/nix/src/libstore/rpc-store.hh
index b1c294532393..3a156e9e1afe 100644
--- a/third_party/nix/src/libstore/rpc-store.hh
+++ b/third_party/nix/src/libstore/rpc-store.hh
@@ -67,8 +67,8 @@ class RpcStore : public LocalFSStore, public virtual Store {
                               const PathSet& references,
                               RepairFlag repair = NoRepair) override;
 
-  virtual absl::Status buildPaths(const PathSet& paths,
-                                  BuildMode buildMode) override;
+  absl::Status buildPaths(std::ostream& log_sink, const PathSet& paths,
+                          BuildMode build_mode) override;
 
   virtual BuildResult buildDerivation(const Path& drvPath,
                                       const BasicDerivation& drv,
diff --git a/third_party/nix/src/libstore/store-api.cc b/third_party/nix/src/libstore/store-api.cc
index 7972f5083657..0ea6b1d62c34 100644
--- a/third_party/nix/src/libstore/store-api.cc
+++ b/third_party/nix/src/libstore/store-api.cc
@@ -714,7 +714,8 @@ const Store::Stats& Store::getStats() {
   return stats;
 }
 
-absl::Status Store::buildPaths(const PathSet& paths, BuildMode) {
+absl::Status Store::buildPaths(std::ostream& /* log_sink */,
+                               const PathSet& paths, BuildMode) {
   for (auto& path : paths) {
     if (isDerivation(path)) {
       return absl::Status(absl::StatusCode::kUnimplemented,
diff --git a/third_party/nix/src/libstore/store-api.hh b/third_party/nix/src/libstore/store-api.hh
index 6c125ad2765f..91dd54cfe5f1 100644
--- a/third_party/nix/src/libstore/store-api.hh
+++ b/third_party/nix/src/libstore/store-api.hh
@@ -455,11 +455,13 @@ class Store : public std::enable_shared_from_this<Store>, public Config {
      output paths can be created by running the builder, after
      recursively building any sub-derivations. For inputs that are
      not derivations, substitute them. */
-  [[nodiscard]] virtual absl::Status buildPaths(const PathSet& paths,
-                                                BuildMode buildMode);
+  [[nodiscard]] virtual absl::Status buildPaths(std::ostream& log_sink,
+                                                const PathSet& paths,
+                                                BuildMode build_mode);
 
-  [[nodiscard]] absl::Status buildPaths(const PathSet& paths) {
-    return buildPaths(paths, bmNormal);
+  [[nodiscard]] absl::Status buildPaths(std::ostream& log_sink,
+                                        const PathSet& paths) {
+    return buildPaths(log_sink, paths, bmNormal);
   }
 
   /* Build a single non-materialized derivation (i.e. not from an