Merge pull request #3474 from kitone/fix-issue-3382

Honor RESTIC_CACHE_DIR environment variable

internal/cache/cache.go

@@ -167,7 +167,7 @@ func updateTimestamp(d string) error {
 const MaxCacheAge = 30 * 24 * time.Hour
 
 func validCacheDirName(s string) bool {
-	r := regexp.MustCompile(`^[a-fA-F0-9]{64}$`)
+	r := regexp.MustCompile(`^[a-fA-F0-9]{64}$|^restic-check-cache-[0-9]+$`)
 	return r.MatchString(s)
 }