Fix nil dereference on error (#30740) (#30746)

Backport #30740 manually

Co-authored-by: Chongyi Zheng <git@zcy.dev>

docs/content/administration/config-cheat-sheet.en-us.md

@@ -214,9 +214,9 @@ The following configuration set `Content-Type: application/vnd.android.package-a
 - `SITEMAP_PAGING_NUM`: **20**: Number of items that are displayed in a single subsitemap.
 - `GRAPH_MAX_COMMIT_NUM`: **100**: Number of maximum commits shown in the commit graph.
 - `CODE_COMMENT_LINES`: **4**: Number of line of codes shown for a code comment.
-- `DEFAULT_THEME`: **gitea-auto**: Set the default theme for the Gitea installation, custom themes could be provided by "{CustomPath}/public/assets/css/theme-*.css".
+- `DEFAULT_THEME`: **gitea-auto**: Set the default theme for the Gitea installation, custom themes could be provided by `{CustomPath}/public/assets/css/theme-*.css`.
 - `SHOW_USER_EMAIL`: **true**: Whether the email of the user should be shown in the Explore Users page.
-- `THEMES`: **_empty_**: All available themes by "{CustomPath}/public/assets/css/theme-*.css". Allow users select personalized themes.
+- `THEMES`: **_empty_**: All available themes by `{CustomPath}/public/assets/css/theme-*.css`. Allow users select personalized themes.
 - `MAX_DISPLAY_FILE_SIZE`: **8388608**: Max size of files to be displayed (default is 8MiB)
 - `AMBIGUOUS_UNICODE_DETECTION`: **true**: Detect ambiguous unicode characters in file contents and show warnings on the UI
 - `REACTIONS`: All available reactions users can choose on issues/prs and comments

docs/content/administration/config-cheat-sheet.zh-cn.md

@@ -212,9 +212,9 @@ menu:
 - `SITEMAP_PAGING_NUM`: **20**: 在单个子SiteMap中显示的项数。
 - `GRAPH_MAX_COMMIT_NUM`: **100**: 提交图中显示的最大commit数量。
 - `CODE_COMMENT_LINES`: **4**: 在代码评论中能够显示的最大代码行数。
-- `DEFAULT_THEME`: **gitea-auto**: 在Gitea安装时候设置的默认主题，自定义的主题可以通过 "{CustomPath}/public/assets/css/theme-*.css" 提供。
+- `DEFAULT_THEME`: **gitea-auto**: 在Gitea安装时候设置的默认主题，自定义的主题可以通过 `{CustomPath}/public/assets/css/theme-*.css` 提供。
 - `SHOW_USER_EMAIL`: **true**: 用户的电子邮件是否应该显示在`Explore Users`页面中。
-- `THEMES`:  **_empty_**: 所有可用的主题（由 "{CustomPath}/public/assets/css/theme-*.css" 提供）。允许用户选择个性化的主题，
+- `THEMES`:  **_empty_**: 所有可用的主题（由 `{CustomPath}/public/assets/css/theme-*.css` 提供）。允许用户选择个性化的主题，
 - `MAX_DISPLAY_FILE_SIZE`: **8388608**: 能够显示文件的最大大小（默认为8MiB）。
 - `REACTIONS`: 用户可以在问题（Issue）、Pull Request（PR）以及评论中选择的所有可选的反应。
     这些值可以是表情符号别名（例如：:smile:）或Unicode表情符号。

docs/content/usage/repo-mirror.en-us.md

@@ -58,7 +58,7 @@ The repository now gets mirrored periodically to the remote repository. You can
 
 To set up a mirror from Gitea to GitHub, you need to follow these steps:
 
-1. Create a [GitHub personal access token](https://docs.github.com/en/github/authenticating-to-github/creating-a-personal-access-token) with the *public_repo* box checked. Also check the **workflow** checkbox in case your repo using act for continuous integration.
+1. Create a [GitHub personal access token](https://docs.github.com/en/github/authenticating-to-github/creating-a-personal-access-token) with the *public_repo* box checked. Also check the **workflow** checkbox in case your repo uses GitHub Actions for continuous integration.
 2. Create a repository with that name on GitHub. Unlike Gitea, GitHub does not support creating repositories by pushing to the remote. You can also use an existing remote repo if it has the same commit history as your Gitea repo.
 3. In the settings of your Gitea repo, fill in the **Git Remote Repository URL**: `https://github.com/<your_github_group>/<your_github_project>.git`.
 4. Fill in the **Authorization** fields with your GitHub username and the personal access token as **Password**.
@@ -91,10 +91,10 @@ The repository pushes shortly thereafter. To force a push, select the **Synchron
 
 ### Mirror an existing ssh repository
 
-Currently gitea supports no ssh push mirrors. You can work around this by adding a `post-receive` hook to your gitea repository that pushes manually.
+Currently Gitea supports no ssh push mirrors. You can work around this by adding a `post-receive` hook to your Gitea repository that pushes manually.
 
-1. Make sure the user running gitea has access to the git repo you are trying to mirror to from shell.
-2. On the Webinterface at the repository settings > git hooks add a post-receive hook for the mirror. I.e.
+1. Make sure the user running Gitea has access to the git repo you are trying to mirror to from shell.
+2. On the web interface at the repository settings > git hooks add a post-receive hook for the mirror. I.e.
 
 ```
 #!/usr/bin/env bash

routers/api/actions/artifacts.go

@@ -466,14 +466,15 @@ func (ar artifactRoutes) downloadArtifact(ctx *ArtifactContext) {
 		log.Error("Error getting artifact: %v", err)
 		ctx.Error(http.StatusInternalServerError, err.Error())
 		return
-	} else if !exist {
+	}
+	if !exist {
 		log.Error("artifact with ID %d does not exist", artifactID)
 		ctx.Error(http.StatusNotFound, fmt.Sprintf("artifact with ID %d does not exist", artifactID))
 		return
 	}
 	if artifact.RunID != runID {
-		log.Error("Error dismatch runID and artifactID, task: %v, artifact: %v", runID, artifactID)
-		ctx.Error(http.StatusBadRequest, err.Error())
+		log.Error("Error mismatch runID and artifactID, task: %v, artifact: %v", runID, artifactID)
+		ctx.Error(http.StatusBadRequest)
 		return
 	}
 

routers/web/repo/actions/view.go

@@ -504,7 +504,7 @@ func getRunJobs(ctx *context_module.Context, runIndex, jobIndex int64) (*actions
 		return nil, nil
 	}
 	if len(jobs) == 0 {
-		ctx.Error(http.StatusNotFound, err.Error())
+		ctx.Error(http.StatusNotFound)
 		return nil, nil
 	}