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Expose the fact that storeFS is a MountedSourceAccessor

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This will become useful.
This commit is contained in:
Eelco Dolstra 2025-09-22 23:04:58 +02:00 • committed by John Ericson
parent 8ef70ef522
commit 35189c0ae0
2 changed files with 3 additions and 2 deletions
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2
src/libexpr/eval.cc
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@ -240,7 +240,7 @@ EvalState::EvalState(
auto realStoreDir = dirOf(store->toRealPath(StorePath::dummy));
if (settings.pureEval || store->storeDir != realStoreDir) {
accessor = settings.pureEval ? storeFS : makeUnionSourceAccessor({accessor, storeFS});
accessor = settings.pureEval ? storeFS.cast<SourceAccessor>() : makeUnionSourceAccessor({accessor, storeFS});
}
/* Apply access control if needed. */

3
src/libexpr/include/nix/expr/eval.hh
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@ -48,6 +48,7 @@ class StorePath;
struct SingleDerivedPath;
enum RepairFlag : bool;
struct MemorySourceAccessor;
struct MountedSourceAccessor;
namespace eval_cache {
class EvalCache;
@ -319,7 +320,7 @@ public:
/**
* The accessor corresponding to `store`.
*/
const ref<SourceAccessor> storeFS;
const ref<MountedSourceAccessor> storeFS;
/**
* The accessor for the root filesystem.