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-rw-r--r--compatibility/compatibility.nom6
1 files changed, 5 insertions, 1 deletions
diff --git a/compatibility/compatibility.nom b/compatibility/compatibility.nom
index 5be8eeb..4d96d89 100644
--- a/compatibility/compatibility.nom
+++ b/compatibility/compatibility.nom
@@ -92,7 +92,11 @@ externally [..]
add %k = (%v upgraded from %start_version to %end_version)
set %with_upgraded_args's metatable to (%tree's metatable)
%tree = (%UPGRADES.%ver %with_upgraded_args %end_version)
- %tree.shebang = "#!/usr/bin/env nomsu -V\%end_version\n"
+ if (%tree.version != %end_version):
+ %tree = (SyntaxTree {: for %k = %v in %tree: add %k = %v})
+ %tree.version = %end_version
+ if %tree.shebang:
+ %tree.shebang = "#!/usr/bin/env nomsu -V\%end_version\n"
return %tree
externally (%tree upgraded from %start_version) means (..)