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Merge pull request #3859 from obsidiansystems/drv-outputs-map-allow-missing

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`queryDerivationOutputMap` no longer assumes all outputs have a mapping
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Eelco Dolstra 2020-08-20 16:49:23 +02:00 • committed by GitHub
commit 4d77513d97
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9 changed files with 142 additions and 37 deletions
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12
src/libstore/store-api.hh
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@ -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. */