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#ifndef __BUILD_H
#define __BUILD_H
#include "types.hh"
namespace nix {
/* Ensure that the output paths of the derivation are valid. If they
are already valid, this is a no-op. Otherwise, validity can
be reached in two ways. First, if the output paths have
substitutes, then those can be used. Second, the output paths can
be created by running the builder, after recursively building any
sub-derivations. */
void buildDerivations(const PathSet & drvPaths);
/* Ensure that a path is valid. If it is not currently valid, it may
be made valid by running a substitute (if defined for the path). */
void ensurePath(const Path & storePath);
}
#endif /* !__BUILD_H */
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