From 8decfccd37b9a0d2d88695cebaef1a5d3f96b4d0 Mon Sep 17 00:00:00 2001
From: Kyle Meyer <kyle@kyleam.com>
Date: Thu, 16 Apr 2020 23:49:40 -0400
Subject: km-magit: Add command to create dedicated log for a topic branch

---
 lisp/km-magit.el | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/lisp/km-magit.el b/lisp/km-magit.el
index 38fe1cb..3ec0289 100644
--- a/lisp/km-magit.el
+++ b/lisp/km-magit.el
@@ -710,6 +710,25 @@ argument.  Interactively, this can be accessed using the command
     (magit-log-goto-same-commit)
     (current-buffer)))
 
+;;;###autoload
+(defun km/magit-log-topic (branch)
+  "Run `git log --reverse [...] @{upstream}..BRANCH'."
+  (interactive (list (magit-read-branch "Topic branch")))
+  (with-current-buffer
+      (magit-log-setup-buffer
+       (list (format "%s..%s"
+                     (or (let ((upstream (concat branch "@{u}")))
+                           (and (magit-rev-verify upstream)
+                                upstream))
+                         "master")
+                     branch))
+       (let ((args (car (magit-log-arguments))))
+         (cl-pushnew "--reverse" args)
+         args)
+       nil t)
+    ;; Could avoid `magit-log-setup-buffer', but this is good enough.
+    (goto-char (point-min))))
+
 (defun km/magit-cherry-dwim ()
   (interactive)
   (-let [(head . upstream)
-- 
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