1 files changed, 122 insertions, 0 deletions
diff --git a/home-configuration/config/nvim/after/plugin/netrw_fix.lua b/home-configuration/config/nvim/after/plugin/netrw_fix.lua
new file mode 100644
index 0000000..be253ac
--- /dev/null
+++ b/home-configuration/config/nvim/after/plugin/netrw_fix.lua
@@ -0,0 +1,122 @@
+local orig = {}
+
+local function parse(line)
+	local prefix, name = line:match('^([| ]*)(.-)%s*$')
+	local _, depth = prefix:gsub('|', '')
+	return depth, name
+end
+
+local function open_entry()
+	local buf = vim.api.nvim_get_current_buf()
+	local lnum = vim.fn.line('.')
+	local depth, name = parse(vim.fn.getline(lnum))
+
+	local function fallback()
+		local rhs = orig[buf] and orig[buf].rhs
+		if rhs and rhs ~= '' then
+			vim.api.nvim_feedkeys(vim.keycode(rhs), 'n', false)
+		end
+	end
+
+	if name == '' or name:sub(-1) == '/' or depth == 0 then
+		return fallback()
+	end
+
+	local parts, cur, top = {}, depth, nil
+	for l = lnum - 1, 1, -1 do
+		local d, n = parse(vim.fn.getline(l))
+		if n ~= '' and d < cur and n:sub(-1) == '/' then
+			if d == 0 then
+				top = n
+				break
+			end
+			table.insert(parts, 1, n)
+			cur = d
+		end
+	end
+
+	if not top or not top:match('^%a+://') then
+		return fallback()
+	end
+
+	vim.cmd('edit ' .. vim.fn.fnameescape(top .. table.concat(parts) .. name))
+end
+
+local function install(buf)
+	local m = vim.fn.maparg('<CR>', 'n', false, true)
+	if m.callback then return end
+	orig[buf] = m
+	vim.keymap.set('n', '<CR>', open_entry, { buffer = buf, silent = true })
+end
+
+vim.api.nvim_create_autocmd({ 'BufEnter', 'CursorMoved' }, {
+	callback = function(a)
+		if vim.bo[a.buf].filetype == 'netrw' and vim.g.netrw_liststyle == 3 then
+			install(a.buf)
+		end
+	end,
+})
+
+local pending = {}
+
+local function parse_url(url)
+	local host, path = url:match('^s[cf]tp://([^/]+)/(.*)$')
+	if not host then return end
+	local port
+	local h, p = host:match('^(.+):(%d+)$')
+	if h then host, port = h, p end
+	return host, port, path
+end
+
+local function upload(a)
+	local buf, url = a.buf, a.match
+	local host, port, path = parse_url(url)
+	if not host then
+		vim.notify('cannot parse ' .. url, vim.log.levels.ERROR)
+		return
+	end
+
+	local tmp = vim.fn.tempname()
+	vim.fn.writefile(vim.api.nvim_buf_get_lines(buf, 0, -1, false), tmp)
+
+	local cmd = { 'scp', '-q', '-o', 'BatchMode=yes' }
+	if port then vim.list_extend(cmd, { '-P', port }) end
+	vim.list_extend(cmd, { tmp, host .. ':' .. path })
+
+	local name = vim.fn.fnamemodify(url, ':t')
+	vim.bo[buf].modified = false
+
+	local id = #pending + 1
+	pending[id] = vim.system(cmd, { text = true }, function(res)
+		pending[id] = false
+		os.remove(tmp)
+		vim.schedule(function()
+			if res.code == 0 then
+				vim.notify(name .. ': uploaded')
+			else
+				if vim.api.nvim_buf_is_valid(buf) then
+					vim.bo[buf].modified = true
+				end
+				local err = (vim.trim(res.stderr or ''):gsub('%s*\n%s*', ' '))
+				vim.notify(name .. ': upload failed: ' .. err, vim.log.levels.ERROR)
+			end
+		end)
+	end)
+end
+
+for _, pat in ipairs({ 'scp://*', 'sftp://*' }) do
+	pcall(vim.api.nvim_clear_autocmds, { event = 'BufWriteCmd', pattern = pat })
+end
+
+vim.api.nvim_create_autocmd('BufWriteCmd', {
+	pattern = { 'scp://*', 'sftp://*' },
+	callback = upload,
+})
+
+vim.api.nvim_create_autocmd('VimLeavePre', {
+	callback = function()
+		for _, obj in pairs(pending) do
+			if obj then obj:wait() end
+		end
+	end,
+})