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Merge pull request #13138 from NixOS/register-builtin-builders

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Register builtin builders
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Jörg Thalheim 2025-05-13 08:50:19 +02:00 • committed by GitHub
commit 0f985fea11
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6 changed files with 63 additions and 53 deletions
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26
src/libstore/unix/build/derivation-builder.cc
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@ -1861,15 +1861,18 @@ void DerivationBuilderImpl::runChild()
/* Make the contents of netrc and the CA certificate bundle
available to builtin:fetchurl (which may run under a
different uid and/or in a sandbox). */
std::string netrcData;
std::string caFileData;
BuiltinBuilderContext ctx{
.drv = drv,
.tmpDirInSandbox = tmpDirInSandbox,
};
if (drv.isBuiltin() && drv.builder == "builtin:fetchurl") {
try {
netrcData = readFile(settings.netrcFile);
ctx.netrcData = readFile(settings.netrcFile);
} catch (SystemError &) { }
try {
caFileData = readFile(settings.caFile);
ctx.caFileData = readFile(settings.caFile);
} catch (SystemError &) { }
}
@ -2290,19 +2293,16 @@ void DerivationBuilderImpl::runChild()
try {
logger = makeJSONLogger(getStandardError());
std::map<std::string, Path> outputs;
for (auto & e : drv.outputs)
outputs.insert_or_assign(e.first,
ctx.outputs.insert_or_assign(e.first,
store.printStorePath(scratchOutputs.at(e.first)));
if (drv.builder == "builtin:fetchurl")
builtinFetchurl(drv, outputs, netrcData, caFileData);
else if (drv.builder == "builtin:buildenv")
builtinBuildenv(drv, outputs);
else if (drv.builder == "builtin:unpack-channel")
builtinUnpackChannel(drv, outputs);
std::string builtinName = drv.builder.substr(8);
assert(RegisterBuiltinBuilder::builtinBuilders);
if (auto builtin = get(RegisterBuiltinBuilder::builtinBuilders(), builtinName))
(*builtin)(ctx);
else
throw Error("unsupported builtin builder '%1%'", drv.builder.substr(8));
throw Error("unsupported builtin builder '%1%'", builtinName);
_exit(0);
} catch (std::exception & e) {
writeFull(STDERR_FILENO, e.what() + std::string("\n"));