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queryDerivationOutputMap no longer assumes all outputs have a mapping

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This assumption is broken by CA derivations. Making a PR now to do the
breaking daemon change as soon as possible (if it is already too late,
we can bump protocol intead).
This commit is contained in:
John Ericson 2020-07-24 21:02:51 +00:00
parent 2292814049
commit 2c7557481b
10 changed files with 102 additions and 36 deletions
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10
src/libstore/store-api.hh
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@ -423,10 +423,16 @@ 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)
/* 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>> queryDerivationOutputMap(const StorePath & path)
{ unsupported("queryDerivationOutputMap"); }
/* Query the mapping outputName=>outputPath for the given derivation.
Assume every output has a mapping and throw an exception otherwise. */
OutputPathMap queryDerivationOutputMapAssumeTotal(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. */
virtual std::optional<StorePath> queryPathFromHashPart(const std::string & hashPart) = 0;