Build hook: Pass the timeout to the remote builder

Note that this will only work if the client has a very recent Nix
version (post 15e1b2c223494ecb5efefc3ea0e3b926a6b1d7dc), otherwise the
--option flag will just be ignored.

Fixes #50.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/libstore/build.cc b/src/libstore/build.cc
index e94c6b7939ed..7fc47f3f5294 100644
--- a/src/libstore/build.cc
+++ b/src/libstore/build.cc
@@ -690,10 +690,10 @@ HookInstance::HookInstance()
             if (dup2(builderOut.writeSide, 4) == -1)
                 throw SysError("dupping builder's stdout/stderr");
 
-            /* XXX: Pass `buildTimeout' to the hook?  */
             execl(buildHook.c_str(), buildHook.c_str(), settings.thisSystem.c_str(),
                 (format("%1%") % settings.maxSilentTime).str().c_str(),
                 (format("%1%") % settings.printBuildTrace).str().c_str(),
+                (format("%1%") % settings.buildTimeout).str().c_str(),
                 NULL);
 
             throw SysError(format("executing `%1%'") % buildHook);