From 51c8c0f3feb6b71ff5bf45e9e1422f2428eb7f5f Mon Sep 17 00:00:00 2001
From: wxiaoguang <wxiaoguang@gmail.com>
Date: Sun, 31 Jul 2022 22:41:06 +0800
Subject: [PATCH] Fix default merge style for pull requests (#20564) (#20565)

---
 templates/repo/issue/view_content/pull.tmpl    | 1 +
 web_src/js/components/PullRequestMergeForm.vue | 5 ++++-
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/templates/repo/issue/view_content/pull.tmpl b/templates/repo/issue/view_content/pull.tmpl
index 23aa97217..0d92393cb 100644
--- a/templates/repo/issue/view_content/pull.tmpl
+++ b/templates/repo/issue/view_content/pull.tmpl
@@ -358,6 +358,7 @@
 									'emptyCommit': {{.Issue.PullRequest.IsEmpty}},
 									'pullHeadCommitID': {{.PullHeadCommitID}},
 									'isPullBranchDeletable': {{.IsPullBranchDeletable}},
+									'defaultMergeStyle': {{.MergeStyle}},
 									'defaultDeleteBranchAfterMerge': {{$prUnit.PullRequestsConfig.DefaultDeleteBranchAfterMerge}},
 									'mergeMessageFieldPlaceHolder': {{$.i18n.Tr "repo.editor.commit_message_desc"}},
 
diff --git a/web_src/js/components/PullRequestMergeForm.vue b/web_src/js/components/PullRequestMergeForm.vue
index 08b1f9cb8..64ba98728 100644
--- a/web_src/js/components/PullRequestMergeForm.vue
+++ b/web_src/js/components/PullRequestMergeForm.vue
@@ -145,7 +145,10 @@ export default {
 
   created() {
     this.mergeStyleAllowedCount = this.mergeForm.mergeStyles.reduce((v, msd) => v + (msd.allowed ? 1 : 0), 0);
-    this.switchMergeStyle(this.mergeForm.mergeStyles.find((e) => e.allowed)?.name, !this.mergeForm.canMergeNow);
+
+    let mergeStyle = this.mergeForm.mergeStyles.find((e) => e.allowed && e.name === this.mergeForm.defaultMergeStyle)?.name;
+    if (!mergeStyle) mergeStyle = this.mergeForm.mergeStyles.find((e) => e.allowed)?.name;
+    this.switchMergeStyle(mergeStyle, !this.mergeForm.canMergeNow);
   },
 
   mounted() {