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makeContentAddressed: Add single path helper

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This commit is contained in:
Robert Hensing 2023-06-05 11:37:41 +02:00
parent 8dca95386c
commit 55888633dd
3 changed files with 27 additions and 7 deletions
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11
src/libstore/make-content-addressed.cc
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@ -80,4 +80,15 @@ std::map<StorePath, StorePath> makeContentAddressed(
return remappings;
}
StorePath makeContentAddressed(
Store & srcStore,
Store & dstStore,
const StorePath & fromPath)
{
auto remappings = makeContentAddressed(srcStore, dstStore, StorePathSet { fromPath });
auto i = remappings.find(fromPath);
assert(i != remappings.end());
return i->second;
}
}

13
src/libstore/make-content-addressed.hh
View file

@ -5,9 +5,20 @@
namespace nix {
/** Rewrite a closure of store paths to be completely content addressed.
*/
std::map<StorePath, StorePath> makeContentAddressed(
Store & srcStore,
Store & dstStore,
const StorePathSet & storePaths);
const StorePathSet & rootPaths);
/** Rewrite a closure of a store path to be completely content addressed.
*
* This is a convenience function for the case where you only have one root path.
*/
StorePath makeContentAddressed(
Store & srcStore,
Store & dstStore,
const StorePath & rootPath);
}