From c7db4af34542e8c69135adfb2db2e6df67180237 Mon Sep 17 00:00:00 2001
From: a1012112796 <1012112796@qq.com>
Date: Thu, 8 Aug 2024 17:26:36 +0800
Subject: [PATCH] Add warning message in merge instructions when
 AutodetectManualMerge was not enabled

quick-fix https://github.com/go-gitea/gitea/issues/31433 , maybe need
more disscusion about better solutions.

Signed-off-by: a1012112796 <1012112796@qq.com>
---
 options/locale/locale_en-US.ini                           | 1 +
 routers/web/repo/issue.go                                 | 2 ++
 .../repo/issue/view_content/pull_merge_instruction.tmpl   | 8 +++++++-
 3 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/options/locale/locale_en-US.ini b/options/locale/locale_en-US.ini
index 92f955c78a7e..9ba9a19f16ca 100644
--- a/options/locale/locale_en-US.ini
+++ b/options/locale/locale_en-US.ini
@@ -1890,6 +1890,7 @@ pulls.cmd_instruction_checkout_title = Checkout
 pulls.cmd_instruction_checkout_desc = From your project repository, check out a new branch and test the changes.
 pulls.cmd_instruction_merge_title = Merge
 pulls.cmd_instruction_merge_desc = Merge the changes and update on Gitea.
+pulls.cmd_instruction_merge_warning = Warning: This operation can not merge pull request because "autodetect manual merge" was not enable
 pulls.clear_merge_message = Clear merge message
 pulls.clear_merge_message_hint = Clearing the merge message will only remove the commit message content and keep generated git trailers such as "Co-Authored-By …".
 
diff --git a/routers/web/repo/issue.go b/routers/web/repo/issue.go
index 1018e88f1bc3..9cf3269f18e9 100644
--- a/routers/web/repo/issue.go
+++ b/routers/web/repo/issue.go
@@ -1864,6 +1864,8 @@ func ViewIssue(ctx *context.Context) {
 		}
 		prConfig := prUnit.PullRequestsConfig()
 
+		ctx.Data["AutodetectManualMerge"] = prConfig.AutodetectManualMerge
+
 		var mergeStyle repo_model.MergeStyle
 		// Check correct values and select default
 		if ms, ok := ctx.Data["MergeStyle"].(repo_model.MergeStyle); !ok ||
diff --git a/templates/repo/issue/view_content/pull_merge_instruction.tmpl b/templates/repo/issue/view_content/pull_merge_instruction.tmpl
index bb59b497190b..9a3e2cb7d755 100644
--- a/templates/repo/issue/view_content/pull_merge_instruction.tmpl
+++ b/templates/repo/issue/view_content/pull_merge_instruction.tmpl
@@ -15,7 +15,13 @@
 		<div>git checkout {{$localBranch}}</div>
 	</div>
 	{{if .ShowMergeInstructions}}
-	<div><h3>{{ctx.Locale.Tr "repo.pulls.cmd_instruction_merge_title"}}</h3>{{ctx.Locale.Tr "repo.pulls.cmd_instruction_merge_desc"}}</div>
+	<div>
+		<h3>{{ctx.Locale.Tr "repo.pulls.cmd_instruction_merge_title"}}</h3>
+		{{ctx.Locale.Tr "repo.pulls.cmd_instruction_merge_desc"}}
+		{{if not .AutodetectManualMerge}}
+			<div>{{ctx.Locale.Tr "repo.pulls.cmd_instruction_merge_warning"}}</div>
+		{{end}}
+	</div>
 	<div class="ui secondary segment">
 		<div data-pull-merge-style="merge">
 			<div>git checkout {{.PullRequest.BaseBranch}}</div>