From dd027e1e5379019bfeffc48ff1274b5e05581ff3 Mon Sep 17 00:00:00 2001
From: Runxi Yu
Date: Sun, 8 Mar 2026 15:33:36 +0800
Subject: objectstore: Refresh

* Add manual Refresh for various objectstore's
* RefreshPolicy option
* Refreshable MRU and atomic snapshotting
---
 objectstore/packed/new.go | 23 +++++++++++++++--------
 1 file changed, 15 insertions(+), 8 deletions(-)

(limited to 'objectstore/packed/new.go')

diff --git a/objectstore/packed/new.go b/objectstore/packed/new.go
index 407bc1d0..c8e7338e 100644
--- a/objectstore/packed/new.go
+++ b/objectstore/packed/new.go
@@ -1,24 +1,31 @@
 package packed
 
 import (
+	"fmt"
 	"os"
 
 	"codeberg.org/lindenii/furgit/objectid"
 )
 
 // New creates a packed-object store rooted at an objects/pack directory.
-func New(root *os.Root, algo objectid.Algorithm) (*Store, error) {
+func New(root *os.Root, algo objectid.Algorithm, opts Options) (*Store, error) {
 	if algo.Size() == 0 {
 		return nil, objectid.ErrInvalidAlgorithm
 	}
 
+	switch opts.RefreshPolicy {
+	case RefreshPolicyOnMissing, RefreshPolicyNever:
+	default:
+		return nil, fmt.Errorf("objectstore/packed: invalid refresh policy %d", opts.RefreshPolicy)
+	}
+
 	return &Store{
-		root:                root,
-		algo:                algo,
-		candidateByPack:     make(map[string]packCandidate),
-		candidateNodeByPack: make(map[string]*packCandidateNode),
-		idxByPack:           make(map[string]*idxFile),
-		packs:               make(map[string]*packFile),
-		deltaCache:          newDeltaCache(defaultDeltaCacheMaxBytes),
+		root:          root,
+		algo:          algo,
+		refreshPolicy: opts.RefreshPolicy,
+		mruNodeByPack: make(map[string]*packCandidateNode),
+		idxByPack:     make(map[string]*idxFile),
+		packs:         make(map[string]*packFile),
+		deltaCache:    newDeltaCache(defaultDeltaCacheMaxBytes),
 	}, nil
 }
-- 
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