Bump to build with go1.18 (#19120 et al) (#19127)

Backport #19120 
Backport #19099 
Backport #18874 
Backport #18420
Backport #19128
Backport #18270 

Bump to build with go1.18

Co-authored-by: techknowlogick <techknowlogick@gitea.io>
Signed-off-by: Andrew Thornton <art27@cantab.net>
Co-authored-by: silverwind <me@silverwind.io>
Co-authored-by: 6543 <6543@obermui.de>
Co-authored-by: zeripath <art27@cantab.net>
Co-authored-by: Jelle Hulter <jellehulter@gmail.com>

modules/highlight/highlight_test.go

@@ -40,20 +40,19 @@ steps:
 	- go test -v -race -coverprofile=coverage.txt -covermode=atomic
 `,
 			want: []string{
-				`<span class="nt">kind</span><span class="p">:</span><span class="w"> </span><span class="l">pipeline</span>`,
-				`<span class="w"></span><span class="nt">name</span><span class="p">:</span><span class="w"> </span><span class="l">default</span>`,
-				`<span class="w">
-</span>`,
-				`<span class="w"></span><span class="nt">steps</span><span class="p">:</span>`,
-				`<span class="w"></span>- <span class="nt">name</span><span class="p">:</span><span class="w"> </span><span class="l">test</span>`,
-				`<span class="w">	</span><span class="nt">image</span><span class="p">:</span><span class="w"> </span><span class="l">golang:1.13</span>`,
-				`<span class="w">	</span><span class="nt">environment</span><span class="p">:</span>`,
-				`<span class="w"></span><span class="w">		</span><span class="nt">GOPROXY</span><span class="p">:</span><span class="w"> </span><span class="l">https://goproxy.cn</span>`,
-				`<span class="w">	</span><span class="nt">commands</span><span class="p">:</span>`,
-				`<span class="w"></span><span class="w">	</span>- <span class="l">go get -u</span>`,
-				`<span class="w">	</span>- <span class="l">go build -v</span>`,
-				`<span class="w">	</span>- <span class="l">go test -v -race -coverprofile=coverage.txt -covermode=atomic</span><span class="w">
-</span>`,
+				`<span class="line"><span class="cl"><span class="nt">kind</span><span class="p">:</span><span class="w"> </span><span class="l">pipeline</span>`,
+				`</span></span><span class="line"><span class="cl"><span class="w"></span><span class="nt">name</span><span class="p">:</span><span class="w"> </span><span class="l">default</span>`,
+				`</span></span><span class="line"><span class="cl">`,
+				`</span></span><span class="line"><span class="cl"><span class="w"></span><span class="nt">steps</span><span class="p">:</span>`,
+				`</span></span><span class="line"><span class="cl"><span class="w"></span>- <span class="nt">name</span><span class="p">:</span><span class="w"> </span><span class="l">test</span>`,
+				`</span></span><span class="line"><span class="cl"><span class="w">	</span><span class="nt">image</span><span class="p">:</span><span class="w"> </span><span class="l">golang:1.13</span>`,
+				`</span></span><span class="line"><span class="cl"><span class="w">	</span><span class="nt">environment</span><span class="p">:</span>`,
+				`</span></span><span class="line"><span class="cl"><span class="w"></span><span class="w">		</span><span class="nt">GOPROXY</span><span class="p">:</span><span class="w"> </span><span class="l">https://goproxy.cn</span>`,
+				`</span></span><span class="line"><span class="cl"><span class="w">	</span><span class="nt">commands</span><span class="p">:</span>`,
+				`</span></span><span class="line"><span class="cl"><span class="w"></span><span class="w">	</span>- <span class="l">go get -u</span>`,
+				`</span></span><span class="line"><span class="cl"><span class="w">	</span>- <span class="l">go build -v</span>`,
+				`</span></span><span class="line"><span class="cl"><span class="w">	</span>- <span class="l">go test -v -race -coverprofile=coverage.txt -covermode=atomic</span><span class="w">
+</span></span></span>`,
 				`<span class="w">
 </span>`,
 			},
@@ -76,20 +75,19 @@ steps:
 	- go test -v -race -coverprofile=coverage.txt -covermode=atomic
 	`,
 			want: []string{
-				`<span class="nt">kind</span><span class="p">:</span><span class="w"> </span><span class="l">pipeline</span>`,
-				`<span class="w"></span><span class="nt">name</span><span class="p">:</span><span class="w"> </span><span class="l">default  </span>`,
-				`<span class="w">
-</span>`,
-				`<span class="w"></span><span class="nt">steps</span><span class="p">:</span>`,
-				`<span class="w"></span>- <span class="nt">name</span><span class="p">:</span><span class="w"> </span><span class="l">test</span>`,
-				`<span class="w">	</span><span class="nt">image</span><span class="p">:</span><span class="w"> </span><span class="l">golang:1.13</span>`,
-				`<span class="w">	</span><span class="nt">environment</span><span class="p">:</span>`,
-				`<span class="w"></span><span class="w">		</span><span class="nt">GOPROXY</span><span class="p">:</span><span class="w"> </span><span class="l">https://goproxy.cn</span>`,
-				`<span class="w">	</span><span class="nt">commands</span><span class="p">:</span>`,
-				`<span class="w"></span><span class="w">	</span>- <span class="l">go get -u</span>`,
-				`<span class="w">	</span>- <span class="l">go build -v</span>`,
-				`<span class="w">	</span>- <span class="l">go test -v -race -coverprofile=coverage.txt -covermode=atomic</span>`,
-				`<span class="w">	</span>`,
+				`<span class="line"><span class="cl"><span class="nt">kind</span><span class="p">:</span><span class="w"> </span><span class="l">pipeline</span>`,
+				`</span></span><span class="line"><span class="cl"><span class="w"></span><span class="nt">name</span><span class="p">:</span><span class="w"> </span><span class="l">default  </span>`,
+				`</span></span><span class="line"><span class="cl">`,
+				`</span></span><span class="line"><span class="cl"><span class="w"></span><span class="nt">steps</span><span class="p">:</span>`,
+				`</span></span><span class="line"><span class="cl"><span class="w"></span>- <span class="nt">name</span><span class="p">:</span><span class="w"> </span><span class="l">test</span>`,
+				`</span></span><span class="line"><span class="cl"><span class="w">	</span><span class="nt">image</span><span class="p">:</span><span class="w"> </span><span class="l">golang:1.13</span>`,
+				`</span></span><span class="line"><span class="cl"><span class="w">	</span><span class="nt">environment</span><span class="p">:</span>`,
+				`</span></span><span class="line"><span class="cl"><span class="w"></span><span class="w">		</span><span class="nt">GOPROXY</span><span class="p">:</span><span class="w"> </span><span class="l">https://goproxy.cn</span>`,
+				`</span></span><span class="line"><span class="cl"><span class="w">	</span><span class="nt">commands</span><span class="p">:</span>`,
+				`</span></span><span class="line"><span class="cl"><span class="w"></span><span class="w">	</span>- <span class="l">go get -u</span>`,
+				`</span></span><span class="line"><span class="cl"><span class="w">	</span>- <span class="l">go build -v</span>`,
+				`</span></span><span class="line"><span class="cl"><span class="w">	</span>- <span class="l">go test -v -race -coverprofile=coverage.txt -covermode=atomic</span>`,
+				`</span></span><span class="line"><span class="cl"><span class="w">	</span></span></span>`,
 			},
 		},
 	}

modules/hostmatcher/hostmatcher.go

@@ -8,8 +8,6 @@ import (
 	"net"
 	"path/filepath"
 	"strings"
-
-	"code.gitea.io/gitea/modules/util"
 )
 
 // HostMatchList is used to check if a host or IP is in a list.
@@ -104,11 +102,11 @@ func (hl *HostMatchList) checkIP(ip net.IP) bool {
 	for _, builtin := range hl.builtins {
 		switch builtin {
 		case MatchBuiltinExternal:
-			if ip.IsGlobalUnicast() && !util.IsIPPrivate(ip) {
+			if ip.IsGlobalUnicast() && !ip.IsPrivate() {
 				return true
 			}
 		case MatchBuiltinPrivate:
-			if util.IsIPPrivate(ip) {
+			if ip.IsPrivate() {
 				return true
 			}
 		case MatchBuiltinLoopback:

modules/markup/common/footnote.go

@@ -205,7 +205,7 @@ func (b *footnoteBlockParser) Open(parent ast.Node, reader text.Reader, pc parse
 	}
 	open := pos + 1
 	closes := 0
-	closure := util.FindClosure(line[pos+1:], '[', ']', false, false)
+	closure := util.FindClosure(line[pos+1:], '[', ']', false, false) //nolint
 	closes = pos + 1 + closure
 	next := closes + 1
 	if closure > -1 {
@@ -296,7 +296,7 @@ func (s *footnoteParser) Parse(parent ast.Node, block text.Reader, pc parser.Con
 		return nil
 	}
 	open := pos
-	closure := util.FindClosure(line[pos:], '[', ']', false, false)
+	closure := util.FindClosure(line[pos:], '[', ']', false, false) //nolint
 	if closure < 0 {
 		return nil
 	}

modules/markup/orgmode/orgmode_test.go

@@ -77,9 +77,9 @@ func HelloWorld() {
 }
 #+end_src
 `, `<div class="src src-go">
-<pre><code class="chroma language-go"><span class="c1">// HelloWorld prints &#34;Hello World&#34;
-</span><span class="c1"></span><span class="kd">func</span> <span class="nf">HelloWorld</span><span class="p">()</span> <span class="p">{</span>
-	<span class="nx">fmt</span><span class="p">.</span><span class="nf">Println</span><span class="p">(</span><span class="s">&#34;Hello World&#34;</span><span class="p">)</span>
-<span class="p">}</span></code></pre>
+<pre><code class="chroma language-go"><span class="line"><span class="cl"><span class="c1">// HelloWorld prints &#34;Hello World&#34;
+</span></span></span><span class="line"><span class="cl"><span class="c1"></span><span class="kd">func</span> <span class="nf">HelloWorld</span><span class="p">()</span> <span class="p">{</span>
+</span></span><span class="line"><span class="cl">	<span class="nx">fmt</span><span class="p">.</span><span class="nf">Println</span><span class="p">(</span><span class="s">&#34;Hello World&#34;</span><span class="p">)</span>
+</span></span><span class="line"><span class="cl"><span class="p">}</span></span></span></code></pre>
 </div>`)
 }

modules/util/net.go

@@ -1,19 +0,0 @@
-// Copyright 2021 The Gitea Authors. All rights reserved.
-// Use of this source code is governed by a MIT-style
-// license that can be found in the LICENSE file.
-
-package util
-
-import (
-	"net"
-)
-
-// IsIPPrivate for net.IP.IsPrivate. TODO: replace with `ip.IsPrivate()` if min go version is bumped to 1.17
-func IsIPPrivate(ip net.IP) bool {
-	if ip4 := ip.To4(); ip4 != nil {
-		return ip4[0] == 10 ||
-			(ip4[0] == 172 && ip4[1]&0xf0 == 16) ||
-			(ip4[0] == 192 && ip4[1] == 168)
-	}
-	return len(ip) == net.IPv6len && ip[0]&0xfe == 0xfc
-}