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Diffstat (limited to 'src/libstore/store-api.hh')
| -rw-r--r-- | src/libstore/store-api.hh | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/libstore/store-api.hh b/src/libstore/store-api.hh index cbbacc12c92a..053bece7a3a3 100644 --- a/src/libstore/store-api.hh +++ b/src/libstore/store-api.hh @@ -133,6 +133,12 @@ public: no deriver has been set. */ virtual Path queryDeriver(const Path & path) = 0; + /* Return all currently valid derivations that have `path' as an + output. (Note that the result of `queryDeriver()' is the + derivation that was actually used to produce `path', which may + not exist anymore.) */ + virtual PathSet queryValidDerivers(const Path & path) = 0; + /* Query the outputs of the derivation denoted by `path'. */ virtual PathSet queryDerivationOutputs(const Path & path) = 0; |