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Have Lookup check the disk for variants held in memory too (closes #70)
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Lookup again counts a variant as present only when its file exists.
Treating a variant held in memory as present saved one check of the
disk, but no test covered it, and GetVariant opens the file anyway.

Model: opus-5-5
This commit is contained in:
clawbot
2026-09-29 07:30:24 +00:00
parent 7f358602e4
commit fa3af3c72e
2 changed files with 10 additions and 12 deletions
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internal/imgcache/cache.go
+4 -6
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@@ -159,15 +159,13 @@ type LookupResult struct {
CacheStatus CacheStatus
}
// Lookup checks if a processed variant exists on disk: a variant held
// in metaCache counts as present without a check of the disk. Hits
// touch the variant's LRU timestamp; a disabled cache always misses.
// Lookup checks if a processed variant exists on disk. Hits touch the
// variant's LRU timestamp; a disabled cache always misses.
func (c *Cache) Lookup(ctx context.Context, req *ImageRequest) (*LookupResult, error) {
cacheKey := CacheKey(req)
// Check memory, then variant storage - no DB needed for cache hits
if !c.disabled &&
(c.metaCache.Contains(cacheKey) || c.variants.Exists(cacheKey)) {
// Check variant storage directly - no DB needed for cache hits
if !c.disabled && c.variants.Exists(cacheKey) {
c.touchVariant(ctx, cacheKey)
return &LookupResult{