1 files changed, 38 insertions, 0 deletions
diff --git a/internal/cli/description_cache.go b/internal/cli/description_cache.go
new file mode 100644
index 0000000..1cfc951
--- /dev/null
+++ b/internal/cli/description_cache.go
@@ -0,0 +1,38 @@
+package cli
+
+import (
+    "encoding/json"
+    "fmt"
+    "os"
+    "path/filepath"
+)
+
+// loadDescriptionCache loads the per-repo canonical description cache
+func loadDescriptionCache(workDir string) map[string]string {
+    cache := make(map[string]string)
+    cacheFile := filepath.Join(workDir, ".gitsyncer-descriptions-cache.json")
+    data, err := os.ReadFile(cacheFile)
+    if err != nil {
+        return cache
+    }
+    if err := json.Unmarshal(data, &cache); err != nil {
+        fmt.Printf("Warning: Failed to parse descriptions cache: %v\n", err)
+        return make(map[string]string)
+    }
+    fmt.Printf("Loaded descriptions cache with %d entries\n", len(cache))
+    return cache
+}
+
+// saveDescriptionCache saves the per-repo canonical description cache
+func saveDescriptionCache(workDir string, cache map[string]string) error {
+    cacheFile := filepath.Join(workDir, ".gitsyncer-descriptions-cache.json")
+    data, err := json.MarshalIndent(cache, "", "  ")
+    if err != nil {
+        return fmt.Errorf("failed to marshal descriptions cache: %w", err)
+    }
+    if err := os.WriteFile(cacheFile, data, 0644); err != nil {
+        return fmt.Errorf("failed to write descriptions cache: %w", err)
+    }
+    return nil
+}
+