From a1e4c41053dba7dbb1d5330f69d53723fa78abb7 Mon Sep 17 00:00:00 2001
From: Lucas Bader <lucas.bader@sap.com>
Date: Wed, 11 Mar 2020 07:49:50 +0100
Subject: [PATCH] Add new prolog fact to documentation

Documentation for the prolog fact added with [1].

[1] https://gerrit-review.googlesource.com/c/gerrit/+/258270

Change-Id: Ie0d357eb0d0a11c979ca7dd3fdbad99b6e70b605
(cherry picked from commit 8e6c5a5ab75584c1f566d34d48344a8b9a74ea4b)
---
 Documentation/prolog-change-facts.txt | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Documentation/prolog-change-facts.txt b/Documentation/prolog-change-facts.txt
index 2fb13e918a..ac69616c43 100644
--- a/Documentation/prolog-change-facts.txt
+++ b/Documentation/prolog-change-facts.txt
@@ -48,6 +48,9 @@ of them we must use a qualified name like `gerrit:change_branch(X)`.
 |`commit_message/1`   |`commit_message('Fix bug X').`
     |Commit message as string atom
 
+|`commit_parent_count/1`   |`commit_parent_count(1).`
+    |Number of parent commits of a commit. Can be used to detect merge commits
+
 |`commit_stats/3`   |`commit_stats(5,20,50).`
     |Number of files modified, number of insertions and the number of deletions.