From 86eeba3d8a0f574f80545c28f32bb4905284d88f Mon Sep 17 00:00:00 2001
From: Jordan Russell <jr-github@jrsoftware.org>
Date: Tue, 12 Nov 2024 00:07:21 -0600
Subject: [PATCH] Fix missing FChunkStarted check in EndChunk.

This was causing an extra empty stream to be written after every chunk (each 2 bytes, with lzma2).
---
 Projects/Src/Compiler.CompressionHandler.pas | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

diff --git a/Projects/Src/Compiler.CompressionHandler.pas b/Projects/Src/Compiler.CompressionHandler.pas
index 54b22cfeb..9708f462e 100644
--- a/Projects/Src/Compiler.CompressionHandler.pas
+++ b/Projects/Src/Compiler.CompressionHandler.pas
@@ -231,15 +231,15 @@ procedure TCompressionHandler.NewChunk(const ACompressorClass: TCustomCompressor
 
 procedure TCompressionHandler.EndChunk;
 begin
-  if Assigned(FCompressor) then begin
-    FCompressor.Finish;
-    { In case we didn't get a ProgressProc call after the final block: }
-    FCompiler.SetBytesCompressedSoFar(FInitialBytesCompressedSoFar);
-    FCompiler.AddBytesCompressedSoFar(FChunkBytesRead);
-    FCompiler.CallIdleProc;
-  end;
-
+  if not FChunkStarted then
+    Exit;
   FChunkStarted := False;
+
+  FCompressor.Finish;
+  { In case we didn't get a ProgressProc call after the final block: }
+  FCompiler.SetBytesCompressedSoFar(FInitialBytesCompressedSoFar);
+  FCompiler.AddBytesCompressedSoFar(FChunkBytesRead);
+  FCompiler.CallIdleProc;
 end;
 
 procedure TCompressionHandler.CompressFile(const SourceFile: TFile;
@@ -315,4 +315,4 @@ procedure TCompressionHandler.ProgressProc(BytesProcessed: Cardinal);
   FCompiler.CallIdleProc;
 end;
 
-end.
\ No newline at end of file
+end.