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Merge branch 'path-info' into ca-drv-exotic

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This commit is contained in:
John Ericson 2023-01-06 15:37:31 -05:00
commit 81727f85cb
17 changed files with 153 additions and 119 deletions
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48
src/libstore/content-address.hh
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@ -4,6 +4,7 @@
#include "hash.hh"
#include "path.hh"
#include "comparator.hh"
#include "reference-set.hh"
namespace nix {
@ -101,48 +102,7 @@ Hash getContentAddressHash(const ContentAddress & ca);
* References set
*/
template<typename Ref>
struct PathReferences
{
std::set<Ref> references;
bool hasSelfReference = false;
/* Functions to view references + hasSelfReference as one set, mainly for
compatibility's sake. */
StorePathSet referencesPossiblyToSelf(const Ref & self) const;
void insertReferencePossiblyToSelf(const Ref & self, Ref && ref);
void setReferencesPossiblyToSelf(const Ref & self, std::set<Ref> && refs);
GENERATE_CMP(PathReferences<Ref>, me->references, me->hasSelfReference);
};
template<typename Ref>
StorePathSet PathReferences<Ref>::referencesPossiblyToSelf(const Ref & self) const
{
StorePathSet refs { references };
if (hasSelfReference)
refs.insert(self);
return refs;
}
template<typename Ref>
void PathReferences<Ref>::insertReferencePossiblyToSelf(const Ref & self, Ref && ref)
{
if (ref == self)
hasSelfReference = true;
else
references.insert(std::move(ref));
}
template<typename Ref>
void PathReferences<Ref>::setReferencesPossiblyToSelf(const Ref & self, std::set<Ref> && refs)
{
if (refs.count(self))
hasSelfReference = true;
refs.erase(self);
references = refs;
}
typedef References<StorePath> StoreReferences;
/*
* Full content address
@ -160,7 +120,7 @@ struct TextInfo : TextHash {
struct FixedOutputInfo : FixedOutputHash {
// References for the paths
PathReferences<StorePath> references;
StoreReferences references;
GENERATE_CMP(FixedOutputInfo, *(const FixedOutputHash *)me, me->references);
};
@ -173,7 +133,7 @@ typedef std::variant<
ContentAddressWithReferences caWithoutRefs(const ContentAddress &);
ContentAddressWithReferences contentAddressFromMethodHashAndRefs(
ContentAddressMethod method, Hash && hash, PathReferences<StorePath> && refs);
ContentAddressMethod method, Hash && hash, StoreReferences && refs);
ContentAddressMethod getContentAddressMethod(const ContentAddressWithReferences & ca);
Hash getContentAddressHash(const ContentAddressWithReferences & ca);