From 8bfbfe48db844191531d1b6e785e3d296bf94e1e Mon Sep 17 00:00:00 2001
From: James Patrick <subscriptions@jpatrick.io>
Date: Sat, 20 Nov 2021 15:37:15 -0500
Subject: [PATCH] Added diff for babel tangle

---
 emacs/org/+babel-diff.el | 9 +++++++++
 1 file changed, 9 insertions(+)
 create mode 100644 emacs/org/+babel-diff.el

diff --git a/emacs/org/+babel-diff.el b/emacs/org/+babel-diff.el
new file mode 100644
index 0000000..3dd5f0d
--- /dev/null
+++ b/emacs/org/+babel-diff.el
@@ -0,0 +1,9 @@
+(defun org-babel-execute:diff (body params)
+  "Applies diff patches. Use with care.
+See https://emacs.stackexchange.com/questions/63517/org-mode-evaluate-diff-code-block"
+  (with-temp-buffer
+    (insert body "\n")
+    (shell-command-on-region (point-min) (point-max) "patch --strip=1" "*patch*")
+    (prog1
+    (with-current-buffer "*patch*" (buffer-string))
+      (kill-buffer "*patch*"))))