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Clean up store hierarchy with IndirectRootStore

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See the API doc comments for details.
This commit is contained in:
John Ericson 2023-03-23 10:06:45 -04:00
parent 13269ba93b
commit 60d8dd7aea
12 changed files with 136 additions and 37 deletions
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16
src/libstore/local-fs-store.hh
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@ -40,6 +40,7 @@ class LocalFSStore : public virtual LocalFSStoreConfig,
public virtual LogStore
{
public:
inline static std::string operationName = "Local Filesystem Store";
const static std::string drvsLogDir;
@ -49,9 +50,20 @@ public:
ref<FSAccessor> getFSAccessor() override;
/**
* Register a permanent GC root.
* Creates symlink from the `gcRoot` to the `storePath` and
* registers the `gcRoot` as a permanent GC root. The `gcRoot`
* symlink lives outside the store and is created and owned by the
* user.
*
* @param gcRoot The location of the symlink.
*
* @param storePath The store object being rooted. The symlink will
* point to `toRealPath(store.printStorePath(storePath))`.
*
* How the permanent GC root corresponding to this symlink is
* managed is implementation-specific.
*/
Path addPermRoot(const StorePath & storePath, const Path & gcRoot);
virtual Path addPermRoot(const StorePath & storePath, const Path & gcRoot) = 0;
virtual Path getRealStoreDir() { return realStoreDir; }