1 files changed, 22 insertions, 3 deletions
diff --git a/routers/web/repo/view_home.go b/routers/web/repo/view_home.go
index 8ed9179290..c7396d44e3 100644
--- a/routers/web/repo/view_home.go
+++ b/routers/web/repo/view_home.go
@@ -143,7 +143,7 @@ func prepareToRenderDirectory(ctx *context.Context) {
 		ctx.Data["Title"] = ctx.Tr("repo.file.title", ctx.Repo.Repository.Name+"/"+path.Base(ctx.Repo.TreePath), ctx.Repo.RefFullName.ShortName())
 	}
 
-	subfolder, readmeFile, err := findReadmeFileInEntries(ctx, entries, true)
+	subfolder, readmeFile, err := findReadmeFileInEntries(ctx, ctx.Repo.TreePath, entries, true)
 	if err != nil {
 		ctx.ServerError("findReadmeFileInEntries", err)
 		return
@@ -377,8 +377,8 @@ func prepareHomeTreeSideBarSwitch(ctx *context.Context) {
 
 func redirectSrcToRaw(ctx *context.Context) bool {
 	// GitHub redirects a tree path with "?raw=1" to the raw path
-	// It is useful to embed some raw contents into markdown files,
-	// then viewing the markdown in "src" path could embed the raw content correctly.
+	// It is useful to embed some raw contents into Markdown files,
+	// then viewing the Markdown in "src" path could embed the raw content correctly.
 	if ctx.Repo.TreePath != "" && ctx.FormBool("raw") {
 		ctx.Redirect(ctx.Repo.RepoLink + "/raw/" + ctx.Repo.RefTypeNameSubURL() + "/" + util.PathEscapeSegments(ctx.Repo.TreePath))
 		return true
@@ -386,6 +386,20 @@ func redirectSrcToRaw(ctx *context.Context) bool {
 	return false
 }
 
+func redirectFollowSymlink(ctx *context.Context, treePathEntry *git.TreeEntry) bool {
+	if ctx.Repo.TreePath == "" || !ctx.FormBool("follow_symlink") {
+		return false
+	}
+	if treePathEntry.IsLink() {
+		if res, err := git.EntryFollowLinks(ctx.Repo.Commit, ctx.Repo.TreePath, treePathEntry); err == nil {
+			redirect := ctx.Repo.RepoLink + "/src/" + ctx.Repo.RefTypeNameSubURL() + "/" + util.PathEscapeSegments(res.TargetFullPath) + "?" + ctx.Req.URL.RawQuery
+			ctx.Redirect(redirect)
+			return true
+		} // else: don't handle the links we cannot resolve, so ignore the error
+	}
+	return false
+}
+
 // Home render repository home page
 func Home(ctx *context.Context) {
 	if handleRepoHomeFeed(ctx) {
@@ -394,6 +408,7 @@ func Home(ctx *context.Context) {
 	if redirectSrcToRaw(ctx) {
 		return
 	}
+
 	// Check whether the repo is viewable: not in migration, and the code unit should be enabled
 	// Ideally the "feed" logic should be after this, but old code did so, so keep it as-is.
 	checkHomeCodeViewable(ctx)
@@ -424,6 +439,10 @@ func Home(ctx *context.Context) {
 		return
 	}
 
+	if redirectFollowSymlink(ctx, entry) {
+		return
+	}
+
 	// prepare the tree path
 	var treeNames, paths []string
 	branchLink := ctx.Repo.RepoLink + "/src/" + ctx.Repo.RefTypeNameSubURL()