travis: check for copyright headers

.travis.yml

@@ -26,6 +26,8 @@ before_install:
  - go get golang.org/x/tools/cmd/goimports
  # Required for imports check.
  - go get gonum.org/v1/tools/cmd/check-imports
+ # Required for copyright header check.
+ - go get gonum.org/v1/tools/cmd/check-copyright
  # Required for coverage.
  - go get golang.org/x/tools/cmd/cover
  - go get github.com/mattn/goveralls
@@ -37,6 +39,7 @@ go_import_path: gonum.org/v1/gonum
 # Get deps, build, test, and ensure the code is gofmt'ed.
 # If we are building as gonum, then we have access to the coveralls api key, so we can run coverage as well.
 script:
+ - ${TRAVIS_BUILD_DIR}/.travis/check-copyright.sh
  - ${TRAVIS_BUILD_DIR}/.travis/check-formatting.sh
  - go get -d -t -v ./...
  - go build -v ./...

.travis/check-copyright.sh

@@ -0,0 +1,4 @@
+#!/bin/bash
+
+set -e
+check-copyright -notice "Copyright ©20[0-9]{2} The Gonum Authors\. All rights reserved\."

blas/gonum/level1doubleBench_auto_test.go

@@ -1,6 +1,6 @@
-// Code generated by "go run github.com/gonum/blas/testblas/benchautogen/autogen_bench_level1double.go"; DO NOT EDIT.
+// Code generated by "go run gonum.org/v1/gonum/blas/testblas/benchautogen/autogen_bench_level1double.go"; DO NOT EDIT.
 
-// Copyright 2014 The Gonum Authors. All rights reserved.
+// Copyright ©2014 The Gonum Authors. All rights reserved.
 // Use of this code is governed by a BSD-style
 // license that can be found in the LICENSE file
 

blas/testblas/benchautogen/autogen_bench_level1double.go

@@ -1,4 +1,4 @@
-// Copyright 2014 The Gonum Authors. All rights reserved.
+// Copyright ©2014 The Gonum Authors. All rights reserved.
 // Use of this code is governed by a BSD-style
 // license that can be found in the LICENSE file
 
@@ -9,14 +9,13 @@ import (
 	"fmt"
 	"os"
 	"os/exec"
-	"path"
 	"path/filepath"
 	"strconv"
 )
 
 var gopath string
 
-var copyrightnotice = []byte(`// Copyright 2014 The Gonum Authors. All rights reserved.
+var copyrightnotice = []byte(`// Copyright ©2014 The Gonum Authors. All rights reserved.
 // Use of this code is governed by a BSD-style
 // license that can be found in the LICENSE file`)
 
@@ -180,18 +179,16 @@ func init() {
 }
 
 func main() {
-	blasPath := filepath.Join(gopath, "src", "gonum.org", "v1", "gonum", "blas")
-
-	pkgs := []struct{ name string }{{name: "native"}, {name: "cgo"}}
-
+	pkgs := []string{"gonum", "netlib"}
 	for _, pkg := range pkgs {
-		err := level1(filepath.Join(blasPath, pkg.name), pkg.name)
+		blasPath := filepath.Join(gopath, "src", "gonum.org", "v1", pkg, "blas", pkg)
+		err := level1(blasPath, pkg)
 		if err != nil {
 			fmt.Println(err)
 			os.Exit(1)
 		}
 
-		err = exec.Command("go", "fmt", path.Join("gonum.org", "v1", "gonum", "blas", pkg.name)).Run()
+		err = exec.Command("goimports", "-w", blasPath).Run()
 		if err != nil {
 			fmt.Println(err)
 			os.Exit(1)
@@ -219,8 +216,7 @@ func level1(benchPath string, pkgname string) error {
 	level1Filepath := filepath.Join(benchPath, "level1doubleBench_auto_test.go")
 	f, err := os.Create(level1Filepath)
 	if err != nil {
-		fmt.Println(err)
-		os.Exit(1)
+		return err
 	}
 	defer f.Close()
 	printHeader(f, pkgname)

floats/examples_test.go

@@ -1,4 +1,4 @@
-// Copyright 2013 The Gonum Authors. All rights reserved.
+// Copyright ©2013 The Gonum Authors. All rights reserved.
 // Use of this code is governed by a BSD-style
 // license that can be found in the LICENSE file
 

floats/floats.go

@@ -1,4 +1,4 @@
-// Copyright 2013 The Gonum Authors. All rights reserved.
+// Copyright ©2013 The Gonum Authors. All rights reserved.
 // Use of this code is governed by a BSD-style
 // license that can be found in the LICENSE file
 

floats/floats_test.go

@@ -1,4 +1,4 @@
-// Copyright 2013 The Gonum Authors. All rights reserved.
+// Copyright ©2013 The Gonum Authors. All rights reserved.
 // Use of this code is governed by a BSD-style
 // license that can be found in the LICENSE file
 

graph/formats/dot/internal/paste_copyright.go

@@ -1,3 +1,13 @@
+// This file is dual licensed under CC0 and The gonum license.
+//
+// Copyright ©2017 The Gonum Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+//
+// Copyright ©2017 Robin Eklind.
+// This file is made available under a Creative Commons CC0 1.0
+// Universal Public Domain Dedication.`)
+
 // +build ignore
 
 package main