canola git custom

config/nvim/lua/plugins/oil.lua

@@ -5,8 +5,8 @@ return {
         dependencies = { 'nvim-tree/nvim-web-devicons' },
         init = function()
             vim.g.canola = {
-                columns = { 'icon', 'git_status' },
+                columns = { 'icon' },
-                delete = { wipe = false, recursive = true},
+                delete = { wipe = false, recursive = true },
                 hidden = { enabled = false },
                 keymaps = {
                     ['g?'] = { callback = 'actions.show_help', mode = 'n' },
@@ -21,6 +21,62 @@ return {
             }
             map('n', '-', '<cmd>Canola<cr>')
             map('n', '<leader>e', '<cmd>Canola<cr>')
+
+            local ns = vim.api.nvim_create_namespace('canola_git_trailing')
+            local symbols = {
+                M = { '~', 'DiagnosticWarn' },
+                A = { '+', 'DiagnosticOk' },
+                D = { '-', 'DiagnosticError' },
+                R = { '→', 'DiagnosticWarn' },
+                ['?'] = { '?', 'DiagnosticInfo' },
+                ['!'] = { '!', 'Comment' },
+            }
+
+            local function apply_git_status(buf)
+                if not vim.api.nvim_buf_is_valid(buf) then return end
+                vim.api.nvim_buf_clear_namespace(buf, ns, 0, -1)
+
+                local ok, canola = pcall(require, 'canola')
+                if not ok then return end
+
+                local dir = canola.get_current_dir(buf)
+                if not dir then return end
+
+                local git_ok, git = pcall(require, 'canola-git')
+                if not git_ok then return end
+
+                local dir_cache = git._cache[dir]
+                if not dir_cache or not dir_cache.status then return end
+
+                local lines = vim.api.nvim_buf_line_count(buf)
+                for lnum = 0, lines - 1 do
+                    local entry = canola.get_entry_on_line(buf, lnum + 1)
+                    if entry then
+                        local status = dir_cache.status[entry.name]
+                        if status then
+                            local ch = status:sub(1, 1)
+                            if ch == ' ' then ch = status:sub(2, 2) end
+                            local sym = symbols[ch]
+                            if sym then
+                                vim.api.nvim_buf_set_extmark(buf, ns, lnum, 0, {
+                                    virt_text = { { ' ' .. sym[1], sym[2] } },
+                                    virt_text_pos = 'eol',
+                                    invalidate = true,
+                                })
+                            end
+                        end
+                    end
+                end
+            end
+
+            vim.api.nvim_create_autocmd('User', {
+                pattern = 'CanolaReadPost',
+                callback = function(args)
+                    local buf = args.buf
+                    apply_git_status(buf)
+                    vim.defer_fn(function() apply_git_status(buf) end, 500)
+                end,
+            })
         end,
     },
     {