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Add a way to get all the outputs of a derivation with their label

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Generalize `queryDerivationOutputNames` and `queryDerivationOutputs` by
adding a `queryDerivationOutputMap` that returns the map
`outputName=>outputPath`

(not that this is not equivalent to merging the results of
`queryDerivationOutputs` and `queryDerivationOutputNames` as sets don't
preserve the order, so we would end up with an incorrect mapping).

squash! Add a way to get all the outputs of a derivation with their label

Rename StorePathMap to OutputPathMap
This commit is contained in:
regnat 2020-06-10 11:20:52 +02:00
parent 3c50e84387
commit d38f860c3e
10 changed files with 78 additions and 11 deletions
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7
src/libstore/store-api.hh
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@ -418,8 +418,11 @@ public:
virtual StorePathSet queryValidDerivers(const StorePath & path) { return {}; };
/* Query the outputs of the derivation denoted by `path'. */
virtual StorePathSet queryDerivationOutputs(const StorePath & path)
{ unsupported("queryDerivationOutputs"); }
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 full store path given the hash part of a valid store
path, or empty if the path doesn't exist. */