GenAdlData: don't override files if nothing was changed

1 files changed, 16 insertions, 2 deletions

diff --git a/utils/gen_adldata/progs_cache.cpp b/utils/gen_adldata/progs_cache.cpp
index 60518ba..72e1fbc 100644
--- a/utils/gen_adldata/progs_cache.cpp
+++ b/utils/gen_adldata/progs_cache.cpp
@@ -129,9 +129,23 @@ void BanksDump::addInstrument(BanksDump::MidiBank &bank, size_t patchId,
     bank.instruments[patchId] = static_cast<int_fast32_t>(e.instId);
 }
 
-void BanksDump::exportBanks(const std::string &outPath, const std::string &headerName)
+void BanksDump::exportBanks(const std::string &outPath, bool donntOverride, const std::string &headerName)
 {
-    FILE *out = std::fopen(outPath.c_str(), "w");
+    FILE *out;
+
+    // Check if file exist
+    if(donntOverride)
+    {
+        out = std::fopen(outPath.c_str(), "r");
+        if(out)
+        {
+            // File exist, don't override it
+            std::fclose(out);
+            return;
+        }
+    }
+
+    out = std::fopen(outPath.c_str(), "w");
 
     std::fprintf(out, "/**********************************************************\n"
                       "    This file is generated by `gen_adldata` automatically\n"