diff options
| -rw-r--r-- | src/libstore/globals.cc | 7 | ||||
| -rw-r--r-- | src/libstore/globals.hh | 18 | ||||
| -rw-r--r-- | src/libstore/local-store.cc | 1 | ||||
| -rw-r--r-- | src/libstore/store-api.cc | 14 |
4 files changed, 33 insertions, 7 deletions
diff --git a/src/libstore/globals.cc b/src/libstore/globals.cc index 2780e0bf5..8d44003f4 100644 --- a/src/libstore/globals.cc +++ b/src/libstore/globals.cc @@ -165,10 +165,15 @@ bool Settings::isExperimentalFeatureEnabled(const std::string & name) return std::find(f.begin(), f.end(), name) != f.end(); } +MissingExperimentalFeature::MissingExperimentalFeature(std::string feature) + : Error("experimental Nix feature '%1%' is disabled; use '--experimental-features %1%' to override", feature) + , missingFeature(feature) + {} + void Settings::requireExperimentalFeature(const std::string & name) { if (!isExperimentalFeatureEnabled(name)) - throw Error("experimental Nix feature '%1%' is disabled; use '--experimental-features %1%' to override", name); + throw MissingExperimentalFeature(name); } bool Settings::isWSL1() diff --git a/src/libstore/globals.hh b/src/libstore/globals.hh index df61d6417..25351f55c 100644 --- a/src/libstore/globals.hh +++ b/src/libstore/globals.hh @@ -45,6 +45,16 @@ struct PluginFilesSetting : public BaseSetting<Paths> void set(const std::string & str, bool append = false) override; }; +/* MakeError(MissingExperimentalFeature, Error); */ +class MissingExperimentalFeature: public Error +{ +public: + std::string missingFeature; + + MissingExperimentalFeature(std::string feature); + virtual const char* sname() const override { return "MissingExperimentalFeature"; } +}; + class Settings : public Config { unsigned int getDefaultCores(); @@ -632,7 +642,7 @@ public: is `root`. > **Warning** - > + > > Adding a user to `trusted-users` is essentially equivalent to > giving that user root access to the system. For example, the user > can set `sandbox-paths` and thereby obtain read access to @@ -722,13 +732,13 @@ public: The program executes with no arguments. The program's environment contains the following environment variables: - - `DRV_PATH` + - `DRV_PATH` The derivation for the built paths. Example: `/nix/store/5nihn1a7pa8b25l9zafqaqibznlvvp3f-bash-4.4-p23.drv` - - `OUT_PATHS` + - `OUT_PATHS` Output paths of the built derivation, separated by a space character. @@ -759,7 +769,7 @@ public: documentation](https://ec.haxx.se/usingcurl-netrc.html). > **Note** - > + > > This must be an absolute path, and `~` is not resolved. For > example, `~/.netrc` won't resolve to your home directory's > `.netrc`. diff --git a/src/libstore/local-store.cc b/src/libstore/local-store.cc index 0962418dd..90fb4a4bd 100644 --- a/src/libstore/local-store.cc +++ b/src/libstore/local-store.cc @@ -655,6 +655,7 @@ void LocalStore::checkDerivationOutputs(const StorePath & drvPath, const Derivat void LocalStore::registerDrvOutput(const Realisation & info) { + settings.requireExperimentalFeature("ca-derivations"); auto state(_state.lock()); retrySQLite<void>([&]() { state->stmts->RegisterRealisedOutput.use() diff --git a/src/libstore/store-api.cc b/src/libstore/store-api.cc index 529c34de5..ac1d8ee2c 100644 --- a/src/libstore/store-api.cc +++ b/src/libstore/store-api.cc @@ -794,8 +794,18 @@ std::map<StorePath, StorePath> copyPaths(ref<Store> srcStore, ref<Store> dstStor realisations.insert(*realisation); } auto pathsMap = copyPaths(srcStore, dstStore, storePaths, repair, checkSigs, substitute); - for (auto& realisation : realisations) { - dstStore->registerDrvOutput(realisation); + try { + for (auto& realisation : realisations) { + dstStore->registerDrvOutput(realisation); + } + } catch (MissingExperimentalFeature & e) { + // Don't fail if the remote doesn't support CA derivations is it might + // not be whithin our control to change that, and we might still want + // to at least copy the output paths. + if (e.missingFeature == "ca-derivations") + ignoreException(); + else + throw; } return pathsMap; |