feat(globals): Add install_treesitter_grammar to global command

Author: kristijanhusak

docs/index.org

@@ -62,10 +62,13 @@ List of available actions:
 - =:Org helpgrep= - Open search agenda view that allows searching through the documentation
 - =:Org agenda {type?}= - Open agenda view by the shortcut, for example =:Org agenda M= will open =tags_todo= view. When =type= is omitted, it opens up Agenda view.
 - =:Org capture {type?}= - Open capture template by the shortcut, for example =:Org capture t=. When =type= is omitted, it opens up Capture prompt.
+- =:Org install_treesitter_grammar= - Install the treesitter grammar for orgmode. If installed, prompt to reinstall. Grammar is installed automatically
+  on first run, but this is useful in case when there are issues with the grammar.
 
 All of the commands above can be executed through the global Lua =Org= variable. Examples:
 - =Org.help()=
 - =Org.helpgrep()=
+- =Org.install_treesitter_grammar()=
 - =Org.agenda()= - Opens =agenda= prompt
 - =Org.agenda.m()= - Opens =tags= view
 - =Org.capture()= - Opens capture prompt

docs/troubleshoot.org

@@ -6,7 +6,7 @@ Make sure you are not overriding indentexpr in Org buffers with [[https://github
 *** I get ~treesitter/query.lua~ errors when opening agenda/capture prompt or org files
 
 Tree-sitter parser might not be installed.
-Try running ~:lua require('orgmode.config'):reinstall_grammar()~ to reinstall it.
+Try running ~:Org install_treesitter_grammar~ to reinstall it.
 
 *** Dates are not in English
 Dates are generated with Lua native date support, and it reads your current locale when creating them.

lua/orgmode/config/init.lua

@@ -33,7 +33,9 @@ function Config:install_grammar()
   local ok, result, err = pcall(vim.treesitter.language.add, 'org')
   if not ok or (not result and err ~= nil) then
     require('orgmode.utils.treesitter.install').run()
+    return true
   end
+  return false
 end
 
 ---@param url? string

lua/orgmode/org/global.lua

@@ -62,6 +62,17 @@ local build = function(orgmode)
       })
     end,
 
+    install_treesitter_grammar = function()
+      local installed = require('orgmode.config'):install_grammar()
+      if not installed then
+        local choice =
+          vim.fn.confirm('Treesitter grammar is already installed. Do you want to re-install it?', '&Yes\n&No', 2)
+        if choice == 1 then
+          return require('orgmode.config'):reinstall_grammar()
+        end
+      end
+    end,
+
     agenda = generate_agenda_object(orgmode, config),
     capture = generate_capture_object(orgmode, config),
   }