Add emacs config sourcing to export

This fixes a bug where just calling "--batch" does not source your
config. This commit hardcodes to "~/.emacs.d/init.el" which really
should be dynamic in settings/config. Just not sure how to do that.

Author: aareman

DOCS.md

@@ -245,6 +245,11 @@ Determine if blank line should be prepended when:
 * Adding heading via `org_meta_return` and `org_insert_*` mappings
 * Adding a list item via `org_meta_return`
 
+#### **emacs_config**
+*type*: `table`<br />
+*default value*: `{ executable_path = 'emacs', configure_path='$HOME/.emacs.d/init.el' }`<br />
+Set configuration for your emacs. This is useful for having the emacs export properly pickup your emacs config and plugins.
+
 ### Agenda settings
 
 #### **org_deadline_warning_days**

doc/orgmode.txt

@@ -26,6 +26,7 @@ CONTENTS                                                        *orgmode-content
             1.2.1.15. org_custom_exports..............|orgmode-org_custom_exports|
             1.2.1.16. org_time_stamp_rounding_minutes.|orgmode-org_time_stamp_rounding_minutes|
             1.2.1.17. org_blank_before_new_entry.|orgmode-org_blank_before_new_entry|
+            1.2.1.18. emacs_config..........................|orgmode-emacs_config|
         1.2.2. Agenda settings...........................|orgmode-agenda_settings|
             1.2.2.1. org_deadline_warning_days.|orgmode-org_deadline_warning_days|
             1.2.2.2. org_agenda_span.....................|orgmode-org_agenda_span|
@@ -430,6 +431,12 @@ Determine if blank line should be prepended when:
 * Adding heading via `org_meta_return` and `org_insert_*` mappings
 * Adding a list item via `org_meta_return`
 
+EMACS_CONFIG                                                *orgmode-emacs_config*
+
+type: `table`
+default value: `{ executable_path = 'emacs', configure_path='$HOME/.emacs.d/init.el' }`
+Set configuration for your emacs. This is useful for having the emacs export properly pickup your emacs config and plugins.
+
 AGENDA SETTINGS                                          *orgmode-agenda_settings*
 
 ORG_DEADLINE_WARNING_DAYS                      *orgmode-org_deadline_warning_days*

lua/orgmode/config/defaults.lua

@@ -152,4 +152,8 @@ return {
       around_subtree_from_root = 'OR',
     },
   },
+  emacs_config = {
+    executable_path = 'emacs',
+    config_path = '$HOME/.emacs.d/init.el',
+  },
 }

lua/orgmode/export/init.lua

@@ -108,14 +108,18 @@ end
 function Export.emacs(format, extension)
   local file = vim.api.nvim_buf_get_name(0)
   local target = vim.fn.fnamemodify(file, ':p:r') .. '.' .. extension
-  if vim.fn.executable('emacs') ~= 1 then
+  local emacs = config.emacs_config.executable_path
+  local emacs_config_path = config.emacs_config.config_path
+  if vim.fn.executable(emacs) ~= 1 then
     return utils.echo_error('emacs executable not found. Make sure emacs is in $PATH.')
   end
 
   local cmd = {
-    'emacs',
+    emacs,
     '-nw',
     '--batch',
+    '--load',
+    emacs_config_path,
     string.format('--visit=%s', file),
     string.format('--funcall=%s', format),
   }