Add gitea-vet (#10948)

* Add copyright

Signed-off-by: jolheiser <john.olheiser@gmail.com>

* Add gitea-vet and fix non-compliance

Signed-off-by: jolheiser <john.olheiser@gmail.com>

* Combine tools.go into build.go and clean up

Signed-off-by: jolheiser <john.olheiser@gmail.com>

* Remove extra GO111MODULE=on

Signed-off-by: jolheiser <john.olheiser@gmail.com>

1 files changed, 73 insertions, 0 deletions

diff --git a/vendor/gitea.com/jolheiser/gitea-vet/checks/license.go b/vendor/gitea.com/jolheiser/gitea-vet/checks/license.go
new file mode 100644
index 0000000000..83f9e3ca03
--- /dev/null
+++ b/vendor/gitea.com/jolheiser/gitea-vet/checks/license.go
@@ -0,0 +1,73 @@
+// Copyright 2020 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 checks
+
+import (
+	"regexp"
+	"strings"
+
+	"golang.org/x/tools/go/analysis"
+)
+
+var (
+	header     = regexp.MustCompile(`.*Copyright.*\d{4}.*(Gitea|Gogs)`)
+	goGenerate = "//go:generate"
+	buildTag   = "// +build"
+)
+
+var License = &analysis.Analyzer{
+	Name: "license",
+	Doc:  "check for a copyright header.",
+	Run:  runLicense,
+}
+
+func runLicense(pass *analysis.Pass) (interface{}, error) {
+	for _, file := range pass.Files {
+		if len(file.Comments) == 0 {
+			pass.Reportf(file.Pos(), "Copyright not found")
+			continue
+		}
+
+		if len(file.Comments[0].List) == 0 {
+			pass.Reportf(file.Pos(), "Copyright not found or wrong")
+			continue
+		}
+
+		commentGroup := 0
+		if strings.HasPrefix(file.Comments[0].List[0].Text, goGenerate) {
+			if len(file.Comments[0].List) > 1 {
+				pass.Reportf(file.Pos(), "Must be an empty line between the go:generate and the Copyright")
+				continue
+			}
+			commentGroup++
+		}
+
+		if strings.HasPrefix(file.Comments[0].List[0].Text, buildTag) {
+			commentGroup++
+		}
+
+		if len(file.Comments) < commentGroup+1 {
+			pass.Reportf(file.Pos(), "Copyright not found")
+			continue
+		}
+
+		if len(file.Comments[commentGroup].List) < 1 {
+			pass.Reportf(file.Pos(), "Copyright not found or wrong")
+			continue
+		}
+
+		var check bool
+		for _, comment := range file.Comments[commentGroup].List {
+			if header.MatchString(comment.Text) {
+				check = true
+			}
+		}
+
+		if !check {
+			pass.Reportf(file.Pos(), "Copyright did not match check")
+		}
+	}
+	return nil, nil
+}