36 lines
1.2 KiB
C++
36 lines
1.2 KiB
C++
#ifndef __NORMALISE_H
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#define __NORMALISE_H
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#include "fstate.hh"
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/* Normalise an fstate-expression, that is, return an equivalent
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slice. (For the meaning of `pending', see expandId()). */
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FSId normaliseFState(FSId id, FSIdSet pending = FSIdSet());
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/* Realise a Slice in the file system. */
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void realiseSlice(const FSId & id, FSIdSet pending = FSIdSet());
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/* Get the list of root (output) paths of the given
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fstate-expression. */
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Strings fstatePaths(const FSId & id);
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/* Get the list of paths that are required to realise the given
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expression. For a derive expression, this is the union of
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requisites of the inputs; for a slice expression, it is the path of
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each element in the slice. If `includeExprs' is true, include the
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paths of the Nix expressions themselves. If `includeSuccessors' is
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true, include the requisites of successors. */
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Strings fstateRequisites(const FSId & id,
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bool includeExprs, bool includeSuccessors);
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/* Return the list of the ids of all known fstate-expressions whose
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output ids are completely contained in `ids'. */
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FSIds findGenerators(const FSIds & ids);
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/* Register a successor. */
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void registerSuccessor(const FSId & id1, const FSId & id2);
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#endif /* !__NORMALISE_H */
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