gfx: touch exported lz files so they don't get remade

1 files changed, 5 insertions, 0 deletions

diff --git a/pokemontools/gfx.py b/pokemontools/gfx.py
index 147621b..04ccac5 100644
--- a/pokemontools/gfx.py
+++ b/pokemontools/gfx.py
@@ -1566,11 +1566,16 @@ def export_lz_to_png(filename):
     """
     assert filename[-3:] == ".lz"
     lz_data = open(filename, "rb").read()
+
     bpp = Decompressed(lz_data).output
     bpp_filename = filename.replace(".lz", ".2bpp")
     to_file(bpp_filename, bpp)
+
     export_2bpp_to_png(bpp_filename)
 
+    # touch the lz file so it doesn't get remade
+    os.utime(filename, None)
+
 def dump_tileset_pngs():
     """
     Convert .lz format tilesets into .png format tilesets.