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CONTRIBUTING.md Normal file
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Want to contribute? Great! First, read this page (including the small print at the end).
### Before you contribute
Before we can use your code, you must sign the
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(https://cla.developers.google.com/about/google-individual)
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Apache License
Version 2.0, January 2004
http://www.apache.org/licenses/
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
1. Definitions.
"License" shall mean the terms and conditions for use, reproduction,
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END OF TERMS AND CONDITIONS
APPENDIX: How to apply the Apache License to your work.
To apply the Apache License to your work, attach the following
boilerplate notice, with the fields enclosed by brackets "[]"
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Copyright [yyyy] [name of copyright owner]
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.

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# addlicense
The program ensures source code files have copyright license headers
by scanning directory patterns recursively.
It modifies all source files in place and avoids adding a license header
to any file that already has one.
## install
go get -u github.com/google/addlicense
## usage
addlicense [flags] pattern [pattern ...]
-c copyright holder (default "Google Inc.")
-l license type: apache, mit (default "apache")
-y year (default 2016)
The pattern argument can be provided multiple times, and may also refer
to single files.
## license
Apache 2.0
This is not an official Google product.

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// Copyright 2016 Google Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// This program ensures source code files have copyright license headers.
// See usage with "addlicence -h".
package main
import (
"bytes"
"flag"
"fmt"
"io/ioutil"
"log"
"os"
"path/filepath"
"sync"
"time"
)
const helpText = `Usage: addlicense [flags] pattern [pattern ...]
The program ensures source code files have copyright license headers
by scanning directory patterns recursively.
It modifies all source files in place and avoids adding a license header
to any file that already has one.
The pattern argument can be provided multiple times, and may also refer
to single files.
Flags:
`
var (
holder = flag.String("c", "Google Inc.", "copyright holder")
license = flag.String("l", "apache", "license type: apache, mit")
year = flag.Int("y", time.Now().Year(), "year")
)
func main() {
flag.Usage = func() {
fmt.Fprintln(os.Stderr, helpText)
flag.PrintDefaults()
}
flag.Parse()
if flag.NArg() == 0 {
flag.Usage()
os.Exit(1)
}
data := &copyrightData{
Year: *year,
Holder: *holder,
}
// process at most 1000 files in parallel
ch := make(chan *file, 1000)
done := make(chan struct{})
go func() {
var wg sync.WaitGroup
for f := range ch {
wg.Add(1)
go func(f *file) {
err := addLicense(f.path, f.mode, *license, data)
if err != nil {
log.Printf("%s: %v", f.path, err)
}
wg.Done()
}(f)
}
wg.Wait()
close(done)
}()
for _, d := range flag.Args() {
walk(ch, d)
}
close(ch)
<-done
}
type file struct {
path string
mode os.FileMode
}
func walk(ch chan<- *file, start string) {
filepath.Walk(start, func(path string, fi os.FileInfo, err error) error {
if err != nil {
log.Printf("%s error: %v", path, err)
return nil
}
if fi.IsDir() {
return nil
}
ch <- &file{path, fi.Mode()}
return nil
})
}
func addLicense(path string, fmode os.FileMode, typ string, data *copyrightData) error {
var lic []byte
var err error
switch filepath.Ext(path) {
default:
return nil
case ".c", ".h":
lic, err = prefix(typ, data, "/*", " * ", " */")
case ".js", ".css":
lic, err = prefix(typ, data, "/**", " * ", " */")
case ".cc", ".cpp", ".cs", ".go", ".hh", ".hpp", ".java", ".m", ".mm", ".proto", ".rs", ".scala", ".swift", ".dart":
lic, err = prefix(typ, data, "", "// ", "")
case ".py", ".sh":
lic, err = prefix(typ, data, "", "# ", "")
case ".el", ".lisp":
lic, err = prefix(typ, data, "", ";; ", "")
case ".erl":
lic, err = prefix(typ, data, "", "% ", "")
case ".hs":
lic, err = prefix(typ, data, "", "-- ", "")
case ".html", ".xml":
lic, err = prefix(typ, data, "<!--", " ", "-->")
case ".php":
lic, err = prefix(typ, data, "<?php", "// ", "?>")
}
if err != nil || lic == nil {
return err
}
b, err := ioutil.ReadFile(path)
if err != nil || hasLicense(b) {
return err
}
line := hashBang(b)
if len(line) > 0 {
b = b[len(line):]
if line[len(line)-1] != '\n' {
line = append(line, '\n')
}
lic = append(line, lic...)
}
b = append(lic, b...)
return ioutil.WriteFile(path, b, fmode)
}
func hashBang(b []byte) []byte {
var line []byte
for _, c := range b {
line = append(line, c)
if c == '\n' {
break
}
}
if bytes.HasPrefix(line, []byte("#!")) {
return line
}
return nil
}
func hasLicense(b []byte) bool {
n := 1000
if len(b) < 1000 {
n = len(b)
}
return bytes.Contains(bytes.ToLower(b[:n]), []byte("copyright"))
}

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// Copyright 2016 Google Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package main
import (
"io/ioutil"
"os"
"os/exec"
"path/filepath"
"strings"
"testing"
)
func run(t *testing.T, name string, args ...string) {
cmd := exec.Command(name, args...)
out, err := cmd.CombinedOutput()
if err != nil {
t.Fatalf("%s %s: %v\n%s", name, strings.Join(args, " "), err, out)
}
}
func tempDir(t *testing.T) string {
dir, err := ioutil.TempDir("", "addlicense")
if err != nil {
t.Fatal(err)
}
return dir
}
func TestInitial(t *testing.T) {
if os.Getenv("RUNME") != "" {
main()
return
}
tmp := tempDir(t)
t.Logf("tmp dir: %s", tmp)
run(t, "cp", "-r", "testdata/initial", tmp)
// run at least 2 times to ensure the program is idempotent
for i := 0; i < 2; i++ {
t.Logf("run #%d", i)
targs := []string{"-test.run=TestInitial"}
cargs := []string{"-l", "apache", "-c", "Google Inc.", "-y", "2016", tmp}
c := exec.Command(os.Args[0], append(targs, cargs...)...)
c.Env = []string{"RUNME=1"}
if out, err := c.CombinedOutput(); err != nil {
t.Fatalf("%v\n%s", err, out)
}
run(t, "diff", "-r", filepath.Join(tmp, "initial"), "testdata/expected")
}
}

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This is a file without extension
and should not be modified.

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/*
* Copyright 2016 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <stdio.h>
int main() {
printf("Hello world\n");
return 0;
}

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// Copyright 2016 Google Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include <iostream>
using namespace std;
int main() {
cout << "Hello World!";
return 0;
}

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// Copyright 2016 Google Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include <iostream>
using namespace std;
int main() {
cout << "Hello World!";
return 0;
}

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// Copyright 2016 Google Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
public class Hello
{
public static void Main() {
System.Console.WriteLine("Hello, World!");
}
}

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/**
* Copyright 2016 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
.div {
color: red;
}

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// Copyright 2016 Google Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
void main() {
print('Hello World!');
}

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;; Copyright 2016 Google Inc.
;;
;; Licensed under the Apache License, Version 2.0 (the "License");
;; you may not use this file except in compliance with the License.
;; You may obtain a copy of the License at
;;
;; http://www.apache.org/licenses/LICENSE-2.0
;;
;; Unless required by applicable law or agreed to in writing, software
;; distributed under the License is distributed on an "AS IS" BASIS,
;; WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
;; See the License for the specific language governing permissions and
;; limitations under the License.
(message "Hello world!")

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% Copyright 2016 Google Inc.
%
% Licensed under the Apache License, Version 2.0 (the "License");
% you may not use this file except in compliance with the License.
% You may obtain a copy of the License at
%
% http://www.apache.org/licenses/LICENSE-2.0
%
% Unless required by applicable law or agreed to in writing, software
% distributed under the License is distributed on an "AS IS" BASIS,
% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
% See the License for the specific language governing permissions and
% limitations under the License.
-module(hello).
-export([hello_world/0]).
hello_world() -> io:fwrite("hello, world\n").

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// Copyright 2016 Google Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package main
import "fmt"
func main() {
fmt.Println("Hello, World!")
}

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/*
* Copyright 2016 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#define SOMETHING

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// Copyright 2016 Google Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#define SOMETHING

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// Copyright 2016 Google Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#define SOMETHING

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-- Copyright 2016 Google Inc.
--
-- Licensed under the Apache License, Version 2.0 (the "License");
-- you may not use this file except in compliance with the License.
-- You may obtain a copy of the License at
--
-- http://www.apache.org/licenses/LICENSE-2.0
--
-- Unless required by applicable law or agreed to in writing, software
-- distributed under the License is distributed on an "AS IS" BASIS,
-- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-- See the License for the specific language governing permissions and
-- limitations under the License.
module Main where
main = putStrLn "Hello, World!"

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<!--
Copyright 2016 Google Inc.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
-->
<!doctype html>
<p>Hello World!</p>

21
testdata/expected/file.java vendored Normal file
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// Copyright 2016 Google Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
public class HelloWorld {
public static void main(String[] args) {
System.out.println("Hello, World");
}
}

19
testdata/expected/file.js vendored Normal file
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/**
* Copyright 2016 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
function dummy() {
console.log('hello world!');
}

16
testdata/expected/file.lisp vendored Normal file
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@@ -0,0 +1,16 @@
;; Copyright 2016 Google Inc.
;;
;; Licensed under the Apache License, Version 2.0 (the "License");
;; you may not use this file except in compliance with the License.
;; You may obtain a copy of the License at
;;
;; http://www.apache.org/licenses/LICENSE-2.0
;;
;; Unless required by applicable law or agreed to in writing, software
;; distributed under the License is distributed on an "AS IS" BASIS,
;; WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
;; See the License for the specific language governing permissions and
;; limitations under the License.
; hello world lisp program.
(print "Hello World")

23
testdata/expected/file.m vendored Normal file
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@@ -0,0 +1,23 @@
// Copyright 2016 Google Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#import <Foundation/Foundation.h>
int main (int argc, const char * argv[])
{
NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
NSLog (@"Hello, World!");
[pool drain];
return 0;
}

3
testdata/expected/file.md vendored Normal file
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# Markdown
This is a markdown file and should not be modified.

23
testdata/expected/file.mm vendored Normal file
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@@ -0,0 +1,23 @@
// Copyright 2016 Google Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#import <Foundation/Foundation.h>
int main (int argc, const char * argv[])
{
NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
NSLog (@"Hello, World!");
[pool drain];
return 0;
}

17
testdata/expected/file.php vendored Normal file
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@@ -0,0 +1,17 @@
<?php
// Copyright 2016 Google Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
?>
<?php phpinfo(); ?>

31
testdata/expected/file.proto vendored Normal file
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@@ -0,0 +1,31 @@
// Copyright 2016 Google Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
syntax = "proto3";
package helloworld;
service Greeter {
rpc SayHello (HelloRequest) returns (HelloReply) {}
}
// The request message containing the user's name.
message HelloRequest {
string name = 1;
}
// The response message containing the greetings
message HelloReply {
string message = 1;
}

15
testdata/expected/file.py vendored Normal file
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@@ -0,0 +1,15 @@
# Copyright 2016 Google Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
print "Hello World!"

17
testdata/expected/file.rs vendored Normal file
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@@ -0,0 +1,17 @@
// Copyright 2016 Google Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
fn main() {
println!("Hello World!");
}

19
testdata/expected/file.scala vendored Normal file
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// Copyright 2016 Google Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
object HelloWorld {
def main(args: Array[String]): Unit = {
println("Hello, world!")
}
}

15
testdata/expected/file.swift vendored Normal file
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@@ -0,0 +1,15 @@
// Copyright 2016 Google Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
print("Hello, world!")

1
testdata/expected/file.txt vendored Normal file
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@@ -0,0 +1 @@
This is a text file and should not be modified.

20
testdata/expected/file.xml vendored Normal file
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@@ -0,0 +1,20 @@
<!--
Copyright 2016 Google Inc.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
-->
<root>
<one>one</one>
<two/>
</root>

16
testdata/expected/file1.sh vendored Normal file
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@@ -0,0 +1,16 @@
#!/bin/bash
# Copyright 2016 Google Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
echo hello

15
testdata/expected/file2.sh vendored Normal file
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@@ -0,0 +1,15 @@
#!/usr/bin/go run prog.go $*
# Copyright 2016 Google Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

2
testdata/initial/file vendored Normal file
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@@ -0,0 +1,2 @@
This is a file without extension
and should not be modified.

6
testdata/initial/file.c vendored Normal file
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@@ -0,0 +1,6 @@
#include <stdio.h>
int main() {
printf("Hello world\n");
return 0;
}

7
testdata/initial/file.cc vendored Normal file
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@@ -0,0 +1,7 @@
#include <iostream>
using namespace std;
int main() {
cout << "Hello World!";
return 0;
}

7
testdata/initial/file.cpp vendored Normal file
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@@ -0,0 +1,7 @@
#include <iostream>
using namespace std;
int main() {
cout << "Hello World!";
return 0;
}

6
testdata/initial/file.cs vendored Normal file
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@@ -0,0 +1,6 @@
public class Hello
{
public static void Main() {
System.Console.WriteLine("Hello, World!");
}
}

3
testdata/initial/file.css vendored Normal file
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@@ -0,0 +1,3 @@
.div {
color: red;
}

3
testdata/initial/file.dart vendored Normal file
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@@ -0,0 +1,3 @@
void main() {
print('Hello World!');
}

1
testdata/initial/file.el vendored Normal file
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@@ -0,0 +1 @@
(message "Hello world!")

4
testdata/initial/file.erl vendored Normal file
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@@ -0,0 +1,4 @@
-module(hello).
-export([hello_world/0]).
hello_world() -> io:fwrite("hello, world\n").

7
testdata/initial/file.go vendored Normal file
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@@ -0,0 +1,7 @@
package main
import "fmt"
func main() {
fmt.Println("Hello, World!")
}

1
testdata/initial/file.h vendored Normal file
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@@ -0,0 +1 @@
#define SOMETHING

1
testdata/initial/file.hh vendored Normal file
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@@ -0,0 +1 @@
#define SOMETHING

1
testdata/initial/file.hpp vendored Normal file
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@@ -0,0 +1 @@
#define SOMETHING

3
testdata/initial/file.hs vendored Normal file
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@@ -0,0 +1,3 @@
module Main where
main = putStrLn "Hello, World!"

2
testdata/initial/file.html vendored Normal file
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@@ -0,0 +1,2 @@
<!doctype html>
<p>Hello World!</p>

7
testdata/initial/file.java vendored Normal file
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@@ -0,0 +1,7 @@
public class HelloWorld {
public static void main(String[] args) {
System.out.println("Hello, World");
}
}

3
testdata/initial/file.js vendored Normal file
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@@ -0,0 +1,3 @@
function dummy() {
console.log('hello world!');
}

2
testdata/initial/file.lisp vendored Normal file
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@@ -0,0 +1,2 @@
; hello world lisp program.
(print "Hello World")

9
testdata/initial/file.m vendored Normal file
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@@ -0,0 +1,9 @@
#import <Foundation/Foundation.h>
int main (int argc, const char * argv[])
{
NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
NSLog (@"Hello, World!");
[pool drain];
return 0;
}

3
testdata/initial/file.md vendored Normal file
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@@ -0,0 +1,3 @@
# Markdown
This is a markdown file and should not be modified.

9
testdata/initial/file.mm vendored Normal file
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@@ -0,0 +1,9 @@
#import <Foundation/Foundation.h>
int main (int argc, const char * argv[])
{
NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
NSLog (@"Hello, World!");
[pool drain];
return 0;
}

1
testdata/initial/file.php vendored Normal file
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@@ -0,0 +1 @@
<?php phpinfo(); ?>

17
testdata/initial/file.proto vendored Normal file
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@@ -0,0 +1,17 @@
syntax = "proto3";
package helloworld;
service Greeter {
rpc SayHello (HelloRequest) returns (HelloReply) {}
}
// The request message containing the user's name.
message HelloRequest {
string name = 1;
}
// The response message containing the greetings
message HelloReply {
string message = 1;
}

1
testdata/initial/file.py vendored Normal file
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@@ -0,0 +1 @@
print "Hello World!"

3
testdata/initial/file.rs vendored Normal file
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@@ -0,0 +1,3 @@
fn main() {
println!("Hello World!");
}

5
testdata/initial/file.scala vendored Normal file
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@@ -0,0 +1,5 @@
object HelloWorld {
def main(args: Array[String]): Unit = {
println("Hello, world!")
}
}

1
testdata/initial/file.swift vendored Normal file
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@@ -0,0 +1 @@
print("Hello, world!")

1
testdata/initial/file.txt vendored Normal file
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@@ -0,0 +1 @@
This is a text file and should not be modified.

4
testdata/initial/file.xml vendored Normal file
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@@ -0,0 +1,4 @@
<root>
<one>one</one>
<two/>
</root>

2
testdata/initial/file1.sh vendored Normal file
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@@ -0,0 +1,2 @@
#!/bin/bash
echo hello

1
testdata/initial/file2.sh vendored Normal file
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@@ -0,0 +1 @@
#!/usr/bin/go run prog.go $*

98
tmpl.go Normal file
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@@ -0,0 +1,98 @@
// Copyright 2016 Google Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package main
import (
"bytes"
"fmt"
"html/template"
)
var licenseTemplate = make(map[string]*template.Template)
func init() {
licenseTemplate["apache"] = template.Must(template.New("").Parse(tmplApache))
licenseTemplate["mit"] = template.Must(template.New("").Parse(tmplMIT))
}
type copyrightData struct {
Year int
Holder string
}
// prefix will execute a license template l with data d
// and prefix the result with top, middle and bottom.
func prefix(l string, d *copyrightData, top, mid, bot string) ([]byte, error) {
t := licenseTemplate[l]
if t == nil {
return nil, fmt.Errorf("unknown license: %s", l)
}
var buf bytes.Buffer
if err := t.Execute(&buf, d); err != nil {
return nil, err
}
var out bytes.Buffer
if top != "" {
out.WriteString(top)
out.WriteRune('\n')
}
out.WriteString(mid)
for _, c := range buf.Bytes() {
out.WriteByte(c)
if c == '\n' {
out.WriteString(mid)
}
}
if bot != "" {
out.WriteRune('\n')
out.WriteString(bot)
}
out.Write([]byte{'\n', '\n'})
return out.Bytes(), nil
}
const tmplApache = `Copyright {{.Year}} {{.Holder}}
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.`
const tmplMIT = `Copyright (c) {{.Year}} {{.Holder}}
Permission is hereby granted, free of charge, to any person obtaining a copy of
this software and associated documentation files (the "Software"), to deal in
the Software without restriction, including without limitation the rights to
use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
the Software, and to permit persons to whom the Software is furnished to do so,
subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.`