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- #pragma once
- #include "derivations.hh"
- namespace nix {
- /* Read a derivation, after ensuring its existence through
- ensurePath(). */
- Derivation derivationFromPath(StoreAPI & store, const Path & drvPath);
- /* Place in `paths' the set of all store paths in the file system
- closure of `storePath'; that is, all paths than can be directly or
- indirectly reached from it. `paths' is not cleared. If
- `flipDirection' is true, the set of paths that can reach
- `storePath' is returned; that is, the closures under the
- `referrers' relation instead of the `references' relation is
- returned. */
- void computeFSClosure(StoreAPI & store, const Path & path,
- PathSet & paths, bool flipDirection = false,
- bool includeOutputs = false, bool includeDerivers = false);
- bool willBuildLocally(const Derivation & drv);
- bool substitutesAllowed(const Derivation & drv);
- }
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