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-rw-r--r--pkgs/applications/editors/vim/ft-nix-support.patch9
1 files changed, 8 insertions, 1 deletions
diff --git a/pkgs/applications/editors/vim/ft-nix-support.patch b/pkgs/applications/editors/vim/ft-nix-support.patch
index 416ec18cf2ca..5feb9c879517 100644
--- a/pkgs/applications/editors/vim/ft-nix-support.patch
+++ b/pkgs/applications/editors/vim/ft-nix-support.patch
@@ -85,5 +85,12 @@ new file mode 100644
 --- /dev/null
 +++ b/runtime/ftplugin/nix.vim
 @@ -0,0 +1,2 @@
++" Only do this when not done yet for this buffer
++if exists("b:did_ftplugin")
++  finish
++endif
++let b:did_ftplugin = 1
++
 +" coding conventions
-+setlocal sw=2 ts=2 expandtab
++setlocal shiftwidth=2 expandtab softtabstop=2
++let b:undo_ftplugin = "setlocal sw< et< sts<"