From a79094efdc245967788896c0eb979fec2a164e0f Mon Sep 17 00:00:00 2001
From: Emil Lerch <emil@lerch.org>
Date: Thu, 8 Jan 2026 20:03:42 -0800
Subject: [PATCH] delete cache if old

---
 src/location/GeoIp.zig       | 1 -
 src/location/Ip2location.zig | 5 +++++
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/location/GeoIp.zig b/src/location/GeoIp.zig
index accaddf..ded42ef 100644
--- a/src/location/GeoIp.zig
+++ b/src/location/GeoIp.zig
@@ -48,7 +48,6 @@ pub fn deinit(self: *GeoIP) void {
     c.MMDB_close(self.mmdb);
     self.allocator.destroy(self.mmdb);
     self.ip2location_client.deinit();
-    log.debug("destroying client", .{});
     self.allocator.destroy(self.ip2location_client);
 }
 
diff --git a/src/location/Ip2location.zig b/src/location/Ip2location.zig
index 32df3db..3968866 100644
--- a/src/location/Ip2location.zig
+++ b/src/location/Ip2location.zig
@@ -198,6 +198,11 @@ pub const Cache = struct {
         if (lines.next()) |first_line| {
             if (!std.mem.eql(u8, first_line, "#Ip2location:v2")) {
                 log.warn("Cache file missing or invalid header, discarding", .{});
+                file.close();
+                self.file = null;
+                std.fs.deleteFileAbsolute(self.path) catch |e| {
+                    log.err("error deleting {s}: {}", .{ self.path, e });
+                };
                 return;
             }
         } else {