[llvm] 1ce0bc3 - Add mention of advantages of `arc` in the Phabricator doc.

[Mehdi Amini via llvm-commits]

Author: Mehdi Amini
Date: 2020-04-04T03:22:29Z
New Revision: 1ce0bc39eebe95a350174eb0ed4e2508e7cb6ed8

URL: https://github.com/llvm/llvm-project/commit/1ce0bc39eebe95a350174eb0ed4e2508e7cb6ed8
DIFF: https://github.com/llvm/llvm-project/commit/1ce0bc39eebe95a350174eb0ed4e2508e7cb6ed8.diff

LOG: Add mention of advantages of `arc` in the Phabricator doc.

Differential Revision: https://reviews.llvm.org/D76952

Added: 
    

Modified: 
    llvm/docs/Phabricator.rst

Removed: 
    


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diff  --git a/llvm/docs/Phabricator.rst b/llvm/docs/Phabricator.rst
index f6b7fa50d79e..0a4b1e74c305 100644
--- a/llvm/docs/Phabricator.rst
+++ b/llvm/docs/Phabricator.rst
@@ -48,7 +48,11 @@ Requesting a review via the web interface
 The tool to create and review patches in Phabricator is called
 *Differential*.
 
-Note that you can upload patches created through git.
+Note that you can upload patches created through git, but using `arc` on the
+command line (see previous section) is prefered: it adds more metadata to
+Phabricator which are useful for the pre-merge testing system and for
+propagating attribution on commits when someone else has to push it for you.
+
 To make reviews easier, please always include **as much context as
 possible** with your 
diff ! Don't worry, Phabricator
 will automatically send a 
diff  with a smaller context in the review