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93227ff65c
This should also fix: nix-instantiate: ./../boost/shared_ptr.hpp:254: T* boost::shared_ptr<T>::operator->() const [with T = nix::StoreAPI]: Assertion `px != 0' failed. which was caused by hashDerivationModulo() calling the ‘store’ object (during store upgrades) before openStore() assigned it.
40 lines
1.3 KiB
C++
40 lines
1.3 KiB
C++
#ifndef __MISC_H
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#define __MISC_H
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#include "derivations.hh"
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namespace nix {
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/* Read a derivation, after ensuring its existence through
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ensurePath(). */
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Derivation derivationFromPath(StoreAPI & store, const Path & drvPath);
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/* Place in `paths' the set of all store paths in the file system
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closure of `storePath'; that is, all paths than can be directly or
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indirectly reached from it. `paths' is not cleared. If
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`flipDirection' is true, the set of paths that can reach
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`storePath' is returned; that is, the closures under the
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`referrers' relation instead of the `references' relation is
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returned. */
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void computeFSClosure(StoreAPI & store, const Path & storePath,
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PathSet & paths, bool flipDirection = false,
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bool includeOutputs = false);
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/* Return the path corresponding to the output identifier `id' in the
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given derivation. */
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Path findOutput(const Derivation & drv, string id);
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/* Given a set of paths that are to be built, return the set of
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derivations that will be built, and the set of output paths that
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will be substituted. */
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void queryMissing(StoreAPI & store, const PathSet & targets,
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PathSet & willBuild, PathSet & willSubstitute, PathSet & unknown,
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unsigned long long & downloadSize, unsigned long long & narSize);
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}
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#endif /* !__MISC_H */
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