trailing whitespace is an antipattern

2 files changed, 11 insertions, 3 deletions

diff --git a/.config/nvim/lua/plugins.lua b/.config/nvim/lua/plugins.lua
index a9e206c..d1d671f 100644
--- a/.config/nvim/lua/plugins.lua
+++ b/.config/nvim/lua/plugins.lua
@@ -32,7 +32,7 @@ return require('packer').startup(function()
   end
   }
 
-  
+
   -- general dev
   use 'neovim/nvim-lspconfig'
   use 'kabouzeid/nvim-lspinstall'
@@ -80,8 +80,8 @@ return require('packer').startup(function()
   use 'fatih/vim-go'
 
   -- rust
-  use 'rust-lang/rust.vim'  
-  use 'simrat39/rust-tools.nvim'  
+  use 'rust-lang/rust.vim'
+  use 'simrat39/rust-tools.nvim'
 
   -- debugging
   use 'nvim-lua/plenary.nvim'
diff --git a/.config/nvim/lua/settings.lua b/.config/nvim/lua/settings.lua
index 36d7949..cdeb772 100644
--- a/.config/nvim/lua/settings.lua
+++ b/.config/nvim/lua/settings.lua
@@ -95,6 +95,7 @@ hi EndOfBuffer guibg=none ctermbg=none
 vim.o.wildmenu = true -- on TAB, complete options for system command
 vim.o.wildignore = 'deps,.svn,CVS,.git,.hg,*.o,*.a,*.class,*.mo,*.la,*.so,*.obj,*.swp,*.jpg,*.png,*.xpm,*.gif,.DS_Store,*.aux,*.out,*.toc'
 
+-- rust format on save
 -- https://sharksforarms.dev/posts/neovim-rust/
 local format_sync_grp = vim.api.nvim_create_augroup("Format", {})
 vim.api.nvim_create_autocmd("BufWritePre", {
@@ -104,3 +105,10 @@ vim.api.nvim_create_autocmd("BufWritePre", {
   end,
   group = format_sync_grp,
 })
+
+-- clear whitespace
+vim.api.nvim_create_autocmd({ "BufWritePre" }, {
+  pattern = { "*" },
+  command = [[%s/\s\+$//e]],
+  group = format_sync_grp,
+})