From 2d6136fe2b44ec4f21d7fa4a20be1a43f103e308 Mon Sep 17 00:00:00 2001
From: Kyle Meyer <kyle@kyleam.com>
Date: Wed, 11 May 2016 21:01:41 -0400
Subject: Define function for add-log-current-defun-function

---
 NEWS              |  2 ++
 snakemake-mode.el | 19 +++++++++++++++++++
 snakemake-test.el | 28 ++++++++++++++++++++++++++++
 3 files changed, 49 insertions(+)

diff --git a/NEWS b/NEWS
index 1f73c4f..900f995 100644
--- a/NEWS
+++ b/NEWS
@@ -19,6 +19,8 @@ NEWS -- history of user-visible changes             -*- mode: org; -*-
 - ~beginning-of-defun~ and ~end-of-defun~ implementations for rule
   blocks are now defined.
 
+- Rule blocks are now recognized by ~add-log-current-defun~.
+
 * v0.4.0
 
 ** New features
diff --git a/snakemake-mode.el b/snakemake-mode.el
index a598aca..a8d0539 100644
--- a/snakemake-mode.el
+++ b/snakemake-mode.el
@@ -206,6 +206,23 @@ forward rather than backward."
   "Move to end of current rule block or function."
   (or (snakemake-end-of-block)
       (python-nav-end-of-defun)))
+
+(defun snakemake-block-name ()
+  "Return rule name for current block."
+  (let ((bounds (snakemake-block-bounds)))
+    (when bounds
+      (save-excursion
+        (goto-char (car bounds))
+        (and (looking-at snakemake-rule-or-subworkflow-re)
+             (match-string-no-properties 2))))))
+
+(defun snakemake-block-or-defun-name ()
+  "Return name of current rule or function.
+This function is appropriate to use as the value of
+`add-log-current-defun-function'."
+  (or (snakemake-block-name)
+      (python-info-current-defun)))
+
 
 ;;; Indentation
 
@@ -400,6 +417,8 @@ embedded R, you need to set mmm-global-mode to a non-nil value such as 'maybe.")
        #'snakemake-beginning-of-defun)
   (set (make-local-variable 'end-of-defun-function)
        #'snakemake-end-of-defun)
+  (set (make-local-variable 'add-log-current-defun-function)
+       #'python-info-current-defun)
 
   (set (make-local-variable 'font-lock-defaults)
        `(,(append snakemake-font-lock-keywords python-font-lock-keywords))))
diff --git a/snakemake-test.el b/snakemake-test.el
index d725345..fc063c6 100644
--- a/snakemake-test.el
+++ b/snakemake-test.el
@@ -681,6 +681,34 @@ rule xyz:
               (snakemake-end-of-block)
               (buffer-substring (point-min) (point))))))
 
+(ert-deftest snakemake-test-block-or-defun-name ()
+  (should
+   (string= "abc"
+            (snakemake-with-temp-text
+                "
+rule abc:
+<point>    output: 'file'
+"
+              (snakemake-block-or-defun-name))))
+  (should
+   (string= "xyz"
+            (snakemake-with-temp-text
+                "
+rule abc:
+    output: 'file'
+
+<point>def xyz():
+    pass
+"
+              (snakemake-block-or-defun-name))))
+  (should-not
+   (snakemake-with-temp-text
+       "
+rule abc:
+    output: 'file'
+"
+     (snakemake-block-or-defun-name))))
+
 
 ;;; snakemake.el
 
-- 
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