nvim: Disable history when editing jrnl files

nvim/.config/nvim/lua/core/commands.lua

@@ -5,18 +5,35 @@ vim.api.nvim_create_autocmd({ "TextYankPost" }, {
 	group = vim.api.nvim_create_augroup("highlightyanks", { clear = true }),
 })
 
+local private_mode = function()
+	vim.o.shada = ""
+	vim.o.swapfile = false
+	vim.o.undofile = false
+	vim.o.backup = false
+	vim.o.writebackup = false
+	vim.o.shelltemp = false
+	vim.o.history = 0
+	vim.o.modeline = false
+	vim.o.secure = true
+end
 -- Special setting for editing gopass files - make sure nothing leaks outside the directories it
 -- is supposed to
 vim.api.nvim_create_autocmd({ "BufNewFile", "BufRead" }, {
+	group = vim.api.nvim_create_augroup("passnoleak", { clear = true }),
 	pattern = {
 		"/dev/shm/gopass.*",
 		"/dev/shm/pass.?*/?*.txt",
 		"$TMPDIR/pass.?*/?*.txt",
 		"/tmp/pass.?*/?*.txt",
 	},
-	command = "setlocal noswapfile nobackup noundofile nowritebackup viminfo=",
 	desc = "Don't leak any information when editing potential password files",
-	group = vim.api.nvim_create_augroup("passnoleak", { clear = true }),
+	callback = private_mode,
+})
+vim.api.nvim_create_autocmd({ "BufNewFile", "BufReadPre" }, {
+	group = vim.api.nvim_create_augroup("PrivateJrnl", {}),
+	pattern = "*.jrnl",
+	desc = "Don't leak information when editing jrnl files",
+	callback = private_mode,
 })
 
 -- remove line numbers from terminal buffers