all: replace godoc.org links with pkg.go.dev

Change links from godoc.org to pkg.go.dev.

For golang/go#36106

Change-Id: Ic3ec03efc265cdc332027d538b0c5d4d91bdac24
Reviewed-on: https://go-review.googlesource.com/c/website/+/275195
Trust: Julie Qiu <julie@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
diff --git a/cmd/golangorg/x.go b/cmd/golangorg/x.go
index bde6309..1b3de3f 100644
--- a/cmd/golangorg/x.go
+++ b/cmd/golangorg/x.go
@@ -26,7 +26,7 @@
 func xHandler(w http.ResponseWriter, r *http.Request) {
 	if !strings.HasPrefix(r.URL.Path, xPrefix) {
 		// Shouldn't happen if handler is registered correctly.
-		http.Redirect(w, r, "https://godoc.org/-/subrepo", http.StatusTemporaryRedirect)
+		http.Redirect(w, r, "https://pkg.go.dev/search?q=golang.org/x", http.StatusTemporaryRedirect)
 		return
 	}
 	proj, suffix := strings.TrimPrefix(r.URL.Path, xPrefix), ""
@@ -34,7 +34,7 @@
 		proj, suffix = proj[:i], proj[i:]
 	}
 	if proj == "" {
-		http.Redirect(w, r, "https://godoc.org/-/subrepo", http.StatusTemporaryRedirect)
+		http.Redirect(w, r, "https://pkg.go.dev/search?q=golang.org/x", http.StatusTemporaryRedirect)
 		return
 	}
 	repo, ok := repos.ByGerritProject[proj]
@@ -42,15 +42,10 @@
 		http.NotFound(w, r)
 		return
 	}
-	docSite := "godoc.org"
-	if repo.UsePkgGoDev() {
-		docSite = "pkg.go.dev"
-	}
 	data := struct {
-		DocSite string // Website providing documentation, either "godoc.org" or "pkg.go.dev".
-		Proj    string // Gerrit project ("net", "sys", etc)
-		Suffix  string // optional "/path" for requests like /x/PROJ/path
-	}{docSite, proj, suffix}
+		Proj   string // Gerrit project ("net", "sys", etc)
+		Suffix string // optional "/path" for requests like /x/PROJ/path
+	}{proj, suffix}
 	if err := xTemplate.Execute(w, data); err != nil {
 		log.Println("xHandler:", err)
 	}
@@ -62,10 +57,10 @@
 <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
 <meta name="go-import" content="golang.org/x/{{.Proj}} git https://go.googlesource.com/{{.Proj}}">
 <meta name="go-source" content="golang.org/x/{{.Proj}} https://github.com/golang/{{.Proj}}/ https://github.com/golang/{{.Proj}}/tree/master{/dir} https://github.com/golang/{{.Proj}}/blob/master{/dir}/{file}#L{line}">
-<meta http-equiv="refresh" content="0; url=https://{{.DocSite}}/golang.org/x/{{.Proj}}{{.Suffix}}">
+<meta http-equiv="refresh" content="0; url=https://pkg.go.dev/golang.org/x/{{.Proj}}{{.Suffix}}">
 </head>
 <body>
-Nothing to see here; <a href="https://{{.DocSite}}/golang.org/x/{{.Proj}}{{.Suffix}}">move along</a>.
+Nothing to see here; <a href="https://pkg.go.dev/golang.org/x/{{.Proj}}{{.Suffix}}">move along</a>.
 </body>
 </html>
 `))
diff --git a/cmd/golangorg/x_test.go b/cmd/golangorg/x_test.go
index c304c67..a97dda9 100644
--- a/cmd/golangorg/x_test.go
+++ b/cmd/golangorg/x_test.go
@@ -48,7 +48,7 @@
 			checks: []check{
 				status(200),
 				substr(`<meta name="go-import" content="golang.org/x/net git https://go.googlesource.com/net">`),
-				substr(`http-equiv="refresh" content="0; url=https://godoc.org/golang.org/x/net">`),
+				substr(`http-equiv="refresh" content="0; url=https://pkg.go.dev/golang.org/x/net">`),
 			},
 		},
 		{
@@ -57,7 +57,7 @@
 			checks: []check{
 				status(200),
 				substr(`<meta name="go-import" content="golang.org/x/net git https://go.googlesource.com/net">`),
-				substr(`http-equiv="refresh" content="0; url=https://godoc.org/golang.org/x/net/suffix">`),
+				substr(`http-equiv="refresh" content="0; url=https://pkg.go.dev/golang.org/x/net/suffix">`),
 			},
 		},
 		{
@@ -80,7 +80,7 @@
 			path: "/x/",
 			checks: []check{
 				status(307),
-				hasHeader("Location", "https://godoc.org/-/subrepo"),
+				hasHeader("Location", "https://pkg.go.dev/search?q=golang.org/x"),
 			},
 		},
 		{
diff --git a/content/static/doc/gopath_code.html b/content/static/doc/gopath_code.html
index f537522..5495e47 100644
--- a/content/static/doc/gopath_code.html
+++ b/content/static/doc/gopath_code.html
@@ -100,7 +100,7 @@
 The <code>example</code> repository contains two commands (<code>hello</code>
 and <code>outyet</code>) and one library (<code>stringutil</code>).
 The <code>image</code> repository contains the <code>bmp</code> package
-and <a href="https://godoc.org/golang.org/x/image">several others</a>.
+and <a href="https://pkg.go.dev/golang.org/x/image">several others</a>.
 </p>
 
 <p>
@@ -595,8 +595,8 @@
 <p>
 This convention is the easiest way to make your Go packages available for
 others to use.
-The <a href="//golang.org/wiki/Projects">Go Wiki</a>
-and <a href="//godoc.org/">godoc.org</a>
+<a href="//pkg.go.dev">Pkg.go.dev</a>
+and the <a href="//golang.org/wiki/Projects">Go Wiki</a>
 provide lists of external Go projects.
 </p>
 
diff --git a/content/static/packageroot.html b/content/static/packageroot.html
index b7edb6f..c246c79 100644
--- a/content/static/packageroot.html
+++ b/content/static/packageroot.html
@@ -119,24 +119,24 @@
 	Install them with "<a href="/cmd/go/#hdr-Download_and_install_packages_and_dependencies">go get</a>".
 	</p>
 	<ul>
-		<li><a href="//godoc.org/golang.org/x/benchmarks">benchmarks</a> — benchmarks to measure Go as it is developed.</li>
-		<li><a href="//godoc.org/golang.org/x/blog">blog</a> — <a href="//blog.golang.org">blog.golang.org</a>'s implementation.</li>
-		<li><a href="//godoc.org/golang.org/x/build">build</a> — <a href="//build.golang.org">build.golang.org</a>'s implementation.</li>
-		<li><a href="//godoc.org/golang.org/x/crypto">crypto</a> — additional cryptography packages.</li>
-		<li><a href="//godoc.org/golang.org/x/debug">debug</a> — an experimental debugger for Go.</li>
-		<li><a href="//godoc.org/golang.org/x/image">image</a> — additional imaging packages.</li>
-		<li><a href="//godoc.org/golang.org/x/mobile">mobile</a> — experimental support for Go on mobile platforms.</li>
-		<li><a href="//godoc.org/golang.org/x/net">net</a> — additional networking packages.</li>
-		<li><a href="//godoc.org/golang.org/x/perf">perf</a> — packages and tools for performance measurement, storage, and analysis.</li>
+		<li><a href="//pkg.go.dev/golang.org/x/benchmarks">benchmarks</a> — benchmarks to measure Go as it is developed.</li>
+		<li><a href="//pkg.go.dev/golang.org/x/blog">blog</a> — <a href="//blog.golang.org">blog.golang.org</a>'s implementation.</li>
+		<li><a href="//pkg.go.dev/golang.org/x/build">build</a> — <a href="//build.golang.org">build.golang.org</a>'s implementation.</li>
+		<li><a href="//pkg.go.dev/golang.org/x/crypto">crypto</a> — additional cryptography packages.</li>
+		<li><a href="//pkg.go.dev/golang.org/x/debug">debug</a> — an experimental debugger for Go.</li>
+		<li><a href="//pkg.go.dev/golang.org/x/image">image</a> — additional imaging packages.</li>
+		<li><a href="//pkg.go.dev/golang.org/x/mobile">mobile</a> — experimental support for Go on mobile platforms.</li>
+		<li><a href="//pkg.go.dev/golang.org/x/net">net</a> — additional networking packages.</li>
+		<li><a href="//pkg.go.dev/golang.org/x/perf">perf</a> — packages and tools for performance measurement, storage, and analysis.</li>
 		<li><a href="//pkg.go.dev/golang.org/x/pkgsite">pkgsite</a> — home of the pkg.go.dev website.</li>
-		<li><a href="//godoc.org/golang.org/x/review">review</a> — a tool for working with Gerrit code reviews.</li>
-		<li><a href="//godoc.org/golang.org/x/sync">sync</a> — additional concurrency primitives.</li>
-		<li><a href="//godoc.org/golang.org/x/sys">sys</a> — packages for making system calls.</li>
-		<li><a href="//godoc.org/golang.org/x/text">text</a> — packages for working with text.</li>
-		<li><a href="//godoc.org/golang.org/x/time">time</a> — additional time packages.</li>
-		<li><a href="//godoc.org/golang.org/x/tools">tools</a> — godoc, goimports, gorename, and other tools.</li>
-		<li><a href="//godoc.org/golang.org/x/tour">tour</a> — <a href="//tour.golang.org">tour.golang.org</a>'s implementation.</li>
-		<li><a href="//godoc.org/golang.org/x/exp">exp</a> — experimental and deprecated packages (handle with care; may change without warning).</li>
+		<li><a href="//pkg.go.dev/golang.org/x/review">review</a> — a tool for working with Gerrit code reviews.</li>
+		<li><a href="//pkg.go.dev/golang.org/x/sync">sync</a> — additional concurrency primitives.</li>
+		<li><a href="//pkg.go.dev/golang.org/x/sys">sys</a> — packages for making system calls.</li>
+		<li><a href="//pkg.go.dev/golang.org/x/text">text</a> — packages for working with text.</li>
+		<li><a href="//pkg.go.dev/golang.org/x/time">time</a> — additional time packages.</li>
+		<li><a href="//pkg.go.dev/golang.org/x/tools">tools</a> — godoc, goimports, gorename, and other tools.</li>
+		<li><a href="//pkg.go.dev/golang.org/x/tour">tour</a> — <a href="//tour.golang.org">tour.golang.org</a>'s implementation.</li>
+		<li><a href="//pkg.go.dev/golang.org/x/exp">exp</a> — experimental and deprecated packages (handle with care; may change without warning).</li>
 	</ul>
 
 	<h3 id="community">Community</h3>
@@ -144,7 +144,7 @@
 	These services can help you find Open Source packages provided by the community.
 	</p>
 	<ul>
-		<li><a href="//godoc.org">GoDoc</a> - a package index and search engine.</li>
+		<li><a href="//pkg.go.dev">Pkg.go.dev</a> - the Go package discovery site.</li>
 		<li><a href="/wiki/Projects">Projects at the Go Wiki</a> - a curated list of Go projects.</li>
 	</ul>
 {{end}}
diff --git a/content/static/static.go b/content/static/static.go
index 120fc0d..21572db 100644
--- a/content/static/static.go
+++ b/content/static/static.go
@@ -63,7 +63,7 @@
 
 	"doc/download.js": 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-	"packageroot.html": 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
 	"play.js": 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('buttons');\x0a\x20\x20\x20\x20button.appendChild(run1);\x0a\x20\x20\x20\x20//\x20Hack\x20to\x20simulate\x20insertAfter\x0a\x20\x20\x20\x20code.parentNode.insertBefore(button,\x20code.nextSibling);\x0a\x0a\x20\x20\x20\x20var\x20buttons\x20=\x20document.createElement('div');\x0a\x20\x20\x20\x20buttons.classList.add('buttons');\x0a\x20\x20\x20\x20buttons.appendChild(run2);\x0a\x20\x20\x20\x20buttons.appendChild(kill);\x0a\x20\x20\x20\x20buttons.appendChild(close);\x0a\x0a\x20\x20\x20\x20output.classList.add('output');\x0a\x20\x20\x20\x20output.appendChild(buttons);\x0a\x20\x20\x20\x20output.appendChild(outpre);\x0a\x20\x20\x20\x20output.style.display\x20=\x20'none';\x0a\x20\x20\x20\x20code.parentNode.insertBefore(output,\x20button.nextSibling);\x0a\x20\x20}\x0a\x0a\x20\x20var\x20play\x20=\x20document.querySelectorAll('div.playground');\x0a\x20\x20for\x20(var\x20i\x20=\x200;\x20i\x20<\x20play.length;\x20i++)\x20{\x0a\x20\x20\x20\x20init(play[i],\x20i);\x0a\x20\x20}\x0a}\x0a",
 
diff --git a/internal/dl/server.go b/internal/dl/server.go
index c837584..7ec45a6 100644
--- a/internal/dl/server.go
+++ b/internal/dl/server.go
@@ -209,7 +209,7 @@
 		http.Redirect(w, r, downloadBaseURL+name, http.StatusFound)
 		return
 	case name == "gotip":
-		redirectURL = "https://godoc.org/golang.org/dl/gotip"
+		redirectURL = "https://pkg.go.dev/golang.org/dl/gotip"
 	case goGetRe.MatchString(name):
 		redirectURL = "https://golang.org/dl/#" + name
 	default:
diff --git a/internal/redirect/redirect.go b/internal/redirect/redirect.go
index 439a357..8ae61cb 100644
--- a/internal/redirect/redirect.go
+++ b/internal/redirect/redirect.go
@@ -99,7 +99,7 @@
 	"/build":      "http://build.golang.org",
 	"/change":     "https://go.googlesource.com/go",
 	"/cl":         "https://go-review.googlesource.com",
-	"/cmd/godoc/": "http://godoc.org/golang.org/x/tools/cmd/godoc/",
+	"/cmd/godoc/": "https://pkg.go.dev/golang.org/x/tools/cmd/godoc",
 	"/issue":      "https://github.com/golang/go/issues",
 	"/issue/new":  "https://github.com/golang/go/issues/new",
 	"/issues":     "https://github.com/golang/go/issues",