From c9fb929a035238e0b4c702bf0e68729c433aedc9 Mon Sep 17 00:00:00 2001
From: "martin f. krafft" <madduck@madduck.net>
Date: Mon, 28 Apr 2025 14:19:34 +0200
Subject: [PATCH] inject markdown into mail body

---
 .config/lazyvim/after/ftplugin/mail.lua           | 15 +++++++++++++++
 .config/lazyvim/after/queries/mail/injections.scm |  2 ++
 .../lazyvim/lua/plugins/markdown-in-mailbody.lua  |  8 ++++++++
 .gitignore.d/lazyvim                              |  2 ++
 4 files changed, 27 insertions(+)
 create mode 100644 .config/lazyvim/after/queries/mail/injections.scm
 create mode 100644 .config/lazyvim/lua/plugins/markdown-in-mailbody.lua

diff --git a/.config/lazyvim/after/ftplugin/mail.lua b/.config/lazyvim/after/ftplugin/mail.lua
index afa4c39..36c6ead 100644
--- a/.config/lazyvim/after/ftplugin/mail.lua
+++ b/.config/lazyvim/after/ftplugin/mail.lua
@@ -1,3 +1,18 @@
+local i, _ = string.find(vim.bo.filetype, "markdown")
+if not i then
+  vim.opt_local.filetype = "mail.markdown"
+  -- this should trigger a reload of the ftplugin
+  return
+end
+
+-- There are no diagnostics for mail, but we do not want the
+-- Markdown standards imposed on mail header and signature…
+vim.diagnostic.enable(false)
+vim.b.autoformat = false
+
+-- disable Treesitter format expression for Mail
+vim.opt_local.formatexpr = ""
+
 vim.opt_local.formatoptions:remove("o")
 vim.opt_local.formatoptions:remove("r")
 vim.opt_local.formatoptions:remove("l")
diff --git a/.config/lazyvim/after/queries/mail/injections.scm b/.config/lazyvim/after/queries/mail/injections.scm
new file mode 100644
index 0000000..dd08e00
--- /dev/null
+++ b/.config/lazyvim/after/queries/mail/injections.scm
@@ -0,0 +1,2 @@
+((body) @injection.content
+ (#set! injection.language "markdown"))
diff --git a/.config/lazyvim/lua/plugins/markdown-in-mailbody.lua b/.config/lazyvim/lua/plugins/markdown-in-mailbody.lua
new file mode 100644
index 0000000..1a04d60
--- /dev/null
+++ b/.config/lazyvim/lua/plugins/markdown-in-mailbody.lua
@@ -0,0 +1,8 @@
+return {
+  {
+    "nvim-treesitter/nvim-treesitter",
+    dependencies = {
+      "stevenxxiu/tree-sitter-mail",
+    },
+  },
+}
diff --git a/.gitignore.d/lazyvim b/.gitignore.d/lazyvim
index 345a341..86ec3ac 100644
--- a/.gitignore.d/lazyvim
+++ b/.gitignore.d/lazyvim
@@ -4,6 +4,7 @@
 !/.config/lazyvim/after/ftplugin/markdown.lua
 !/.config/lazyvim/after/ftplugin/python.lua
 !/.config/lazyvim/after/ftplugin/tex.vim
+!/.config/lazyvim/after/queries/mail/injections.scm
 !/.config/lazyvim/autocmds.lua
 !/.config/lazyvim/ftp
 !/.config/lazyvim/.gitignore
@@ -25,6 +26,7 @@
 !/.config/lazyvim/lua/plugins/disable-tokyonight.lua
 !/.config/lazyvim/lua/plugins/disable-treesitter-indenting.lua
 !/.config/lazyvim/lua/plugins/example.lua
+!/.config/lazyvim/lua/plugins/markdown-in-mailbody.lua
 !/.config/lazyvim/lua/plugins/mini-align.lua
 !/.config/lazyvim/lua/plugins/vim-table-mode.lua
 !/.config/lazyvim/options.lua
-- 
2.39.5