From 3da4c74de37a249c8208c9751ccc578b89f07cc5 Mon Sep 17 00:00:00 2001
From: Matthias Wirth <matthias.wirth@gmail.com>
Date: Wed, 14 Aug 2024 07:16:52 +0200
Subject: [PATCH] add --devel=legacy_history

---
 readsb.c | 5 ++++-
 readsb.h | 1 +
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/readsb.c b/readsb.c
index d5703ba0..a4aca6c4 100644
--- a/readsb.c
+++ b/readsb.c
@@ -571,7 +571,7 @@ static void *jsonEntryPoint(void *arg) {
             }
             writeJsonToFile(Modes.json_dir, "aircraft.json", cb);
 
-            if ((ALL_JSON) && Modes.onlyBin < 2 && now >= next_history) {
+            if ((Modes.legacy_history || ((ALL_JSON) && Modes.onlyBin < 2)) && now >= next_history) {
                 char filebuf[PATH_MAX];
 
                 snprintf(filebuf, PATH_MAX, "history_%d.json", Modes.json_aircraft_history_next);
@@ -1896,6 +1896,9 @@ static error_t parse_opt(int key, char *arg, struct argp_state *state) {
                         Modes.apiThreadCount = atoi(token[1]);
                     }
                 }
+                if (strcasecmp(token[0], "legacy_history") == 0) {
+                    Modes.legacy_history = 1;
+                }
                 if (strcasecmp(token[0], "beast_forward_noforward") == 0) {
                     Modes.beast_forward_noforward = 1;
                 }
diff --git a/readsb.h b/readsb.h
index 33039b4c..06064c11 100644
--- a/readsb.h
+++ b/readsb.h
@@ -673,6 +673,7 @@ struct _Modes
     int8_t debug_gps;
     int8_t debug_planefinder;
     int8_t debug_zstd;
+    int8_t legacy_history;
     int8_t enable_zstd;
     int8_t incrementId;
     int8_t omitGlobeFiles;