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.config/nvim/lua/config/autocmds.lua

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+-- Autocmds are automatically loaded on the VeryLazy event
+-- Docs: https://www.lazyvim.org/configuration/general
+-- Default autocmds that are always set: https://github.com/LazyVim/LazyVim/blob/main/lua/lazyvim/config/autocmds.lua
+-- Add any additional autocmds here
+
+local function find_python_executable()
+  if vim.env.VIRTUAL_ENV then
+    local paths = vim.fn.glob(vim.env.VIRTUAL_ENV .. "/**/bin/python", true, true)
+    local executable_path = table.concat(paths, ", ")
+    if executable_path ~= "" then
+      vim.api.nvim_echo({ { "Using path for python: " .. executable_path, "None" } }, false, {})
+      return executable_path
+    end
+  elseif vim.fn.filereadable(".venv/bin/python") == 1 then
+    local executable_path = vim.fn.expand(".venv/bin/python")
+    vim.api.nvim_echo({ { "Using path for python: " .. executable_path, "None" } }, false, {})
+    return executable_path
+  end
+  vim.api.nvim_echo({ { "No python executable found (see autocmds.lua)", "WarningMsg" } }, false, {})
+end
+
+vim.api.nvim_create_autocmd("FileType", {
+  pattern = { "python" },
+  callback = function()
+    vim.g.python3_host_prog = find_python_executable() -- python executable
+    vim.opt_local.colorcolumn = "72,88" -- Ruler at column number
+    vim.opt_local.tabstop = 4 -- Number of spaces tabs count for
+    vim.opt_local.shiftwidth = 4 -- Size of an indent
+  end,
+})
+
+vim.api.nvim_create_autocmd("FileType", {
+  pattern = { "rust" },
+  callback = function()
+    vim.opt_local.colorcolumn = "79" -- Ruler at column number
+    vim.opt_local.tabstop = 4 -- Number of spaces tabs count for
+    vim.opt_local.shiftwidth = 4 -- Size of an indent
+  end,
+})
+
+vim.api.nvim_create_autocmd("FileType", {
+  pattern = "typescript",
+  callback = function()
+    vim.opt_local.colorcolumn = "79" -- Ruler at column number
+    vim.opt_local.tabstop = 4
+    vim.opt_local.shiftwidth = 4
+  end,
+})
+-- see lint.lua
+-- vim.api.nvim_create_autocmd({ "InsertLeave", "BufWritePost" }, {
+--   callback = function()
+--     require("lint").try_lint()
+--   end,
+-- })