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Return map of StorePaths in copyPaths

This allows the caller to know what values were actually added to the
store.
This commit is contained in:
Matthew Bauer 2020-06-19 14:48:57 -04:00
parent 7e11cf3399
commit 0c9c1b8826
2 changed files with 20 additions and 9 deletions

View file

@ -444,8 +444,9 @@ public:
virtual StorePathSet querySubstitutablePaths(const StorePathSet & paths) { return {}; };
/* Query substitute info (i.e. references, derivers and download
sizes) of a set of paths. If a path does not have substitute
info, it's omitted from the resulting infos map. */
sizes) of a map of paths to their optional ca values. If a path
does not have substitute info, it's omitted from the resulting
infos map. */
virtual void querySubstitutablePathInfos(const StorePathCAMap & paths,
SubstitutablePathInfos & infos) { return; };
@ -743,11 +744,13 @@ void copyStorePath(ref<Store> srcStore, ref<Store> dstStore,
/* Copy store paths from one store to another. The paths may be copied
in parallel. They are copied in a topologically sorted order
(i.e. if A is a reference of B, then A is copied before B), but
the set of store paths is not automatically closed; use
copyClosure() for that. */
void copyPaths(ref<Store> srcStore, ref<Store> dstStore, const StorePathSet & storePaths,
in parallel. They are copied in a topologically sorted order (i.e.
if A is a reference of B, then A is copied before B), but the set
of store paths is not automatically closed; use copyClosure() for
that. Returns a map of what each path was copied to the dstStore
as. */
std::map<StorePath, StorePath> copyPaths(ref<Store> srcStore, ref<Store> dstStore,
const StorePathSet & storePaths,
RepairFlag repair = NoRepair,
CheckSigsFlag checkSigs = CheckSigs,
SubstituteFlag substitute = NoSubstitute);