[build] internal/relui: replace httprouter use with http.ServeMux

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Gopher Robot (Gerrit)

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Jan 16, 2026, 5:17:51 PM (2 days ago) Jan 16

to Dmitri Shuralyov, goph...@pubsubhelper.golang.org, golang-...@googlegroups.com, Go LUCI, Michael Knyszek, Dmitri Shuralyov, golang-co...@googlegroups.com

Gopher Robot submitted the change with unreviewed changes

Unreviewed changes

1 is the latest approved patch-set.
The change was submitted with unreviewed changes in the following files:

```
The name of the file: internal/relui/web.go
Insertions: 1, Deletions: 1.

@@ -101,7 +101,7 @@
 	s.m.HandleFunc("GET /new_workflow", s.newWorkflowHandler)
 	s.m.HandleFunc("POST /workflows", s.createWorkflowHandler)
 	s.m.ServeFiles("GET /static/", static)
-	s.m.HandleFunc("GET /$", s.homeHandler)
+	s.m.HandleFunc("GET /{$}", s.homeHandler)
 	if baseURL != nil && baseURL.Path != "/" && baseURL.Path != "" {
 		nosuffix := strings.TrimSuffix(baseURL.Path, "/")
 		s.bm = new(http.ServeMux)
```

Change information

Commit message:

internal/relui: replace httprouter use with http.ServeMux

ServeMux in the net/http package of the Go standard library gained
useful features in Go 1.22, including the ability to match wildcards
in patterns, and register handlers with an HTTP method. The httprouter
package has these features and was used for relui's routing needs prior
to Go 1.22.

By now, it works quite well to migrate back to net/http and its standard
ServeMux router. This is done to simplify the code and reduce the number
of dependencies slightly.

For golang/go#76860.

Change-Id: Ib5ac645c5db2c6f2406fcde596f4978a410198f2

Reviewed-on: https://go-review.googlesource.com/c/build/+/732261

Reviewed-by: Dmitri Shuralyov <dmit...@google.com>

Reviewed-by: Michael Knyszek <mkny...@google.com>

Auto-Submit: Dmitri Shuralyov <dmit...@golang.org>

LUCI-TryBot-Result: Go LUCI <golang...@luci-project-accounts.iam.gserviceaccount.com>

Files: