From 47a5c8e1f79fb12baaa8d7af3e99b6ad3523099e Mon Sep 17 00:00:00 2001
From: 6543 <6543@obermui.de>
Date: Tue, 16 Jun 2020 21:56:47 +0200
Subject: [PATCH] Update CommitsAhead CommitsBehind on Pull BaseBranch Change
 too (#11912) (#11915)

* Update CommitsAhead CommitsBehind on Pull BaseBranch Change too (#11912)

* CI.restart()
---
 services/pull/pull.go | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/services/pull/pull.go b/services/pull/pull.go
index aeb0c009f95..373962a2d94 100644
--- a/services/pull/pull.go
+++ b/services/pull/pull.go
@@ -128,7 +128,16 @@ func ChangeTargetBranch(pr *models.PullRequest, doer *models.User, targetBranch
 	if pr.Status == models.PullRequestStatusChecking {
 		pr.Status = models.PullRequestStatusMergeable
 	}
-	if err := pr.UpdateColsIfNotMerged("merge_base", "status", "conflicted_files", "base_branch"); err != nil {
+
+	// Update Commit Divergence
+	divergence, err := GetDiverging(pr)
+	if err != nil {
+		return err
+	}
+	pr.CommitsAhead = divergence.Ahead
+	pr.CommitsBehind = divergence.Behind
+
+	if err := pr.UpdateColsIfNotMerged("merge_base", "status", "conflicted_files", "base_branch", "commits_ahead", "commits_behind"); err != nil {
 		return err
 	}