nushell settings

init.lua

@@ -94,7 +94,38 @@ vim.g.maplocalleader = ' '
 vim.g.have_nerd_font = true
 
 -- Set your default shell
-if vim.fn.executable 'nu' == 1 then vim.o.shell = 'nu' end
+if vim.fn.executable 'nu' == 1 then
+  vim.o.shell = 'nu'
+  -- WARN: disable the usage of temp files for shell commands
+  -- because Nu doesn't support `input redirection` which Neovim uses to send buffer content to a command:
+  --      `{shell_command} < {temp_file_with_selected_buffer_content}`
+  -- When set to `false` the stdin pipe will be used instead.
+  -- NOTE: some info about `shelltemp`: https://github.com/neovim/neovim/issues/1008
+  vim.o.shelltemp = false
+
+  -- string to be used to put the output of shell commands in a temp file
+  -- 1. when 'shelltemp' is `true`
+  -- 2. in the `diff-mode` (`nvim -d file1 file2`) when `diffopt` is set
+  --    to use an external diff command: `set diffopt-=internal`
+  vim.o.shellredir = 'out+err> %s'
+
+  -- flags for nu:
+  -- * `--stdin`       redirect all input to -c
+  -- * `--no-newline`  do not append `\n` to stdout
+  -- * `--commands -c` execute a command
+  vim.o.shellcmdflag = '--stdin --no-newline -c'
+
+  -- disable all escaping and quoting
+  vim.o.shellxescape = ''
+  vim.o.shellxquote = ''
+  vim.o.shellquote = ''
+
+  -- string to be used with `:make` command to:
+  -- 1. save the stderr of `makeprg` in the temp file which Neovim reads using `errorformat` to populate the `quickfix` buffer
+  -- 2. show the stdout, stderr and the return_code on the screen
+  -- NOTE: `ansi strip` removes all ansi coloring from nushell errors
+  vim.o.shellpipe = '| complete | update stderr { ansi strip } | tee { get stderr | save --force --raw %s } | into record'
+end
 
 -- [[ Setting options ]]
 -- See `:help vim.o`