even more jj mini/snacks rice

nvim/lua/plugins/lib/session_jj.lua

@@ -0,0 +1,48 @@
+local M = {}
+M.load = function()
+  local jj_root = vim.system({ 'jj', 'workspace', 'root' }):wait()
+  local sessions = require('mini.sessions')
+
+  if jj_root.code ~= 0 then
+    return
+  end
+
+  local result = vim
+      .system({
+        'jj',
+        'log',
+        '-r',
+        'latest(heads(::@ & bookmarks()))',
+        '--template',
+        'bookmarks',
+        '--no-pager',
+        '--no-graph',
+      })
+      :wait()
+  local branch = vim.trim(string.gsub(result.stdout, '[\n*]', ''))
+  local root = vim.trim(string.gsub(jj_root.stdout, '\n', ''))
+  local jj_sesh = string.gsub(string.format('jj:%s:%s', root, branch), '[./]', '-')
+  if jj_sesh ~= '' then
+    vim.opt.shadafile = vim.fn.stdpath('data') .. '/myshada/' .. jj_sesh .. '.shada'
+    for name, _ in pairs(sessions.detected) do
+      if name == jj_sesh then
+        vim.ui.select({
+          'No',
+          'Yes',
+        }, { prompt = 'Session found at ' .. jj_sesh .. ', load it?' }, function(c)
+          if c == 'Yes' then
+            -- load session (buffers, etc) as well as shada (marks)
+            sessions.read(jj_sesh)
+            vim.cmd('rshada')
+            vim.notify('loaded jj session: ' .. jj_sesh)
+          end
+        end)
+        return
+      end
+    end
+    vim.cmd('wshada')
+    sessions.write(jj_sesh)
+  end
+end
+
+return M