decode-gpg.lua

local gpgGroup = vim.api.nvim_create_augroup("customGpg", { clear = true })

vim.api.nvim_create_autocmd({ "BufReadPre", "FileReadPre" }, { pattern = "*.gpg", group = gpgGroup, callback = function() -- Make sure nothing is written to shada file while editing an encrypted file. vim.opt_local.shada = nil -- We don't want a swap file, as it writes unencrypted data to disk vim.opt_local.swapfile = false -- Switch to binary mode to read the encrypted file vim.opt_local.bin = true

-- Save the current 'ch' value to a buffer-local variable
vim.b.ch_save = vim.opt_local.ch
vim.cmd "set ch=2"

end, })

vim.api.nvim_create_autocmd({ "BufReadPost", "FileReadPost" }, { pattern = "*.gpg", group = gpgGroup, callback = function() vim.cmd "'[,']!gpg --decrypt 2> /dev/null"

-- Switch to normal mode for editing
vim.opt_local.bin = false

-- Restore the 'ch' value from the buffer-local variable
vim.opt_local.ch = vim.b.ch_save
vim.cmd "unlet b:ch_save"
vim.cmd(":doautocmd BufReadPost " .. vim.fn.expand "%:r")

end, })

-- Convert all text to encrypted text before writing vim.api.nvim_create_autocmd({ "BufWritePre", "FileWritePre" }, { pattern = ".gpg", group = gpgGroup, command = "'[,']!gpg --default-recipient-self -ae 2>/dev/null", }) -- Undo the encryption so we are back in the normal text, directly -- after the file has been written. vim.api.nvim_create_autocmd({ "BufWritePost", "FileWritePost" }, { pattern = ".gpg", group = gpgGroup, command = "u", })

-- Return an empty table to satisfy plugin loader requirements return {}