ditch fennel ? (#3)

yes

Reviewed-on: https://git.earth2077.fr/leana/.files/pulls/3
Co-authored-by: Léana 江 <leana.jiang@icloud.com>
Co-committed-by: Léana 江 <leana.jiang@icloud.com>

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

@@ -0,0 +1,91 @@
+local autocmd = vim.api.nvim_create_autocmd
+local usercmd = vim.api.nvim_create_user_command
+
+vim.filetype.add { extension = { typ = "typst" } }
+vim.filetype.add { extension = { skel = "skel", sk = "skel" } }
+vim.filetype.add { extension = { mlw = "why3" } }
+
+autocmd("TextYankPost", { callback = vim.highlight.on_yank })
+
+autocmd("FileType", {
+    pattern = { "markdown", "tex", "typst" },
+    callback =
+        function()
+            vim.opt_local["shiftwidth"] = 2
+            vim.opt_local["tabstop"] = 2
+            vim.opt_local["textwidth"] = 80
+        end,
+})
+
+autocmd("FileType", {
+    pattern = "skel",
+    callback = function()
+        vim.opt_local["commentstring"] = "(* %s *)"
+        vim.keymap.set({ "n" }, "<leader>f", function()
+            vim.cmd "w "
+            vim.cmd "silent exec '!necroprint % -o %'"
+            vim.cmd "e "
+        end, { buffer = true, silent = true })
+    end,
+})
+
+autocmd("FileType", {
+    pattern = "fennel",
+    callback = function()
+        vim.opt_local["list"] = false
+        return vim.keymap.set({ "n" }, "<leader>f", function()
+            vim.cmd "w "
+            vim.cmd "silent exec '!fnlfmt --fix %'"
+            vim.cmd "e "
+        end, { buffer = true, silent = true })
+    end,
+})
+
+autocmd("FileType", {
+    pattern = "why3",
+    callback = function()
+        vim.opt_local["commentstring"] = "(* %s *)"
+        vim.opt_local["shiftwidth"] = 2
+        vim.opt_local["tabstop"] = 2
+        vim.opt_local["expandtab"] = true
+    end,
+})
+
+autocmd("BufEnter", {
+    pattern = "*Caddyfile",
+    callback = function()
+        vim.opt_local["filetype"] = "Caddy"
+        vim.opt_local["commentstring"] = "# %s"
+    end,
+})
+
+autocmd("OptionSet", {
+    pattern = "shiftwidth",
+    callback = function()
+        if vim.o.expandtab then
+            local c = ""
+            for _ = c:len(), vim.o.shiftwidth + 1 do
+                c = c .. " "
+            end
+            return vim.opt.lcs:append("leadmultispace:" .. c)
+        else
+            return nil
+        end
+    end,
+})
+
+usercmd("Retab", function(opts)
+    if (#opts.fargs ~= 2) then
+        return print "should have exactly two argument: [src] and [dst]"
+    end
+    local src = tonumber(opts.fargs[1])
+    local dst = tonumber(opts.fargs[2])
+    vim.opt["shiftwidth"] = src
+    vim.opt["tabstop"] = src
+    vim.opt["expandtab"] = false
+    vim.cmd "%retab! "
+    vim.opt["shiftwidth"] = dst
+    vim.opt["tabstop"] = dst
+    vim.opt["expandtab"] = true
+    vim.cmd "%retab! "
+end, { nargs = "+" })