From 56cd894e90949294d9578fd9fa45a179389f3306 Mon Sep 17 00:00:00 2001
From: Adam Sokolnicki <adam.sokolnicki@gmail.com>
Date: Sun, 17 Nov 2013 23:39:13 +0200
Subject: [PATCH] * lisp/progmodes/ruby-mode.el (ruby-toggle-block): Don't stop
 at interpolation curlies.

Fixes: debbugs:15914
---
 lisp/ChangeLog                    | 5 +++++
 lisp/progmodes/ruby-mode.el       | 3 ++-
 test/automated/ruby-mode-tests.el | 6 ++++++
 3 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index faa2243ca3..7017e3ffb4 100644
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,3 +1,8 @@
+2013-11-17  Adam Sokolnicki  <adam.sokolnicki@gmail.com>  (tiny change)
+
+	* progmodes/ruby-mode.el (ruby-toggle-block): Don't stop at
+	interpolation curlies (Bug#15914).
+
 2013-11-17  Jay Belanger  <jay.p.belanger@gmail.com>
 
 	* calc/calc.el (calc-context-sensitive-enter): New variable.
diff --git a/lisp/progmodes/ruby-mode.el b/lisp/progmodes/ruby-mode.el
index ab9fdce6af..28c44307ff 100644
--- a/lisp/progmodes/ruby-mode.el
+++ b/lisp/progmodes/ruby-mode.el
@@ -1590,8 +1590,9 @@ If the result is do-end block, it will always be multiline."
   (let ((start (point)) beg end)
     (end-of-line)
     (unless
-        (if (and (re-search-backward "\\({\\)\\|\\_<do\\(\\s \\|$\\||\\)")
+        (if (and (re-search-backward "\\(?:[^#]\\)\\({\\)\\|\\(\\_<do\\_>\\)")
                  (progn
+                   (goto-char (or (match-beginning 1) (match-beginning 2)))
                    (setq beg (point))
                    (save-match-data (ruby-forward-sexp))
                    (setq end (point))
diff --git a/test/automated/ruby-mode-tests.el b/test/automated/ruby-mode-tests.el
index d5d262590b..e84f55be93 100644
--- a/test/automated/ruby-mode-tests.el
+++ b/test/automated/ruby-mode-tests.el
@@ -309,6 +309,12 @@ VALUES-PLIST is a list with alternating index and value elements."
     (ruby-toggle-block)
     (should (string= "foo do |b|\n  b + 1\nend" (buffer-string)))))
 
+(ert-deftest ruby-toggle-block-with-interpolation ()
+  (ruby-with-temp-buffer "foo do\n  \"#{bar}\"\nend"
+    (beginning-of-line)
+    (ruby-toggle-block)
+    (should (string= "foo { \"#{bar}\" }" (buffer-string)))))
+
 (ert-deftest ruby-recognize-symbols-starting-with-at-character ()
   (ruby-assert-face ":@abc" 3 font-lock-constant-face))
 
-- 
2.20.1