diff options
Diffstat (limited to 'src/libstore/store-api.hh')
| -rw-r--r-- | src/libstore/store-api.hh | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/src/libstore/store-api.hh b/src/libstore/store-api.hh index 128682e7a..0ec14b5f2 100644 --- a/src/libstore/store-api.hh +++ b/src/libstore/store-api.hh @@ -343,9 +343,15 @@ public: /* Query the outputs of the derivation denoted by `path'. */ virtual StorePathSet queryDerivationOutputs(const StorePath & path); - /* Query the mapping outputName=>outputPath for the given derivation */ - virtual OutputPathMap queryDerivationOutputMap(const StorePath & path) - { unsupported("queryDerivationOutputMap"); } + /* Query the mapping outputName => outputPath for the given derivation. All + outputs are mentioned so ones mising the mapping are mapped to + `std::nullopt`. */ + virtual std::map<std::string, std::optional<StorePath>> queryPartialDerivationOutputMap(const StorePath & path) + { unsupported("queryPartialDerivationOutputMap"); } + + /* Query the mapping outputName=>outputPath for the given derivation. + Assume every output has a mapping and throw an exception otherwise. */ + OutputPathMap queryDerivationOutputMap(const StorePath & path); /* Query the full store path given the hash part of a valid store path, or empty if the path doesn't exist. */ |