Initial commit.

.gitignore

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+*.test

LICENSE

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+The MIT License (MIT)
+
+Copyright (c) 2016 Junpei Kawamoto
+
+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.

Makefile

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+#
+# Makefile
+#
+# Copyright (c) 2016 Junpei Kawamoto
+#
+# This software is released under the MIT License.
+#
+# http://opensource.org/licenses/mit-license.php
+#
+VERSION = snapshot
+
+default: build
+
+.PHONY: build
+build:
+	goxc -d=pkg -pv=$(VERSION)
+
+.PHONY: release
+release:
+	ghr  -u jkawamoto  v$(VERSION) pkg/$(VERSION)
+
+.PHONY: get-deps
+get-deps:
+	go get -u github.com/jteeuwen/go-bindata/...
+	go get -d -t -v .
+
+.PHONY: test
+test: asset
+	go test -v ./...

README.md

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+# gii
+[![MIT License](http://img.shields.io/badge/license-MIT-blue.svg?style=flat)](LICENSE)
+
+Set repositories which doesn't belong golang project to .goimportsignore.
+
+
+
+## Usage
+~~~
+gii [global options]
+
+GLOBAL OPTIONS:
+   --gopath GOPATH  GOPATH [$GOPATH]
+   --help, -h       show help
+   --version, -v    print the version
+~~~
+
+License
+=======
+This software is released under the MIT License, see [LICENSE](LICENSE).

command/run.go

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+package command
+
+import (
+	"fmt"
+	"io/ioutil"
+	"os"
+	"path/filepath"
+	"strings"
+	"sync"
+
+	"github.com/urfave/cli"
+)
+
+// CmdRun parses options and run cmdRun.
+func CmdRun(c *cli.Context) error {
+
+	if err := cmdRun(c.GlobalString("gopath")); err != nil {
+		return cli.NewExitError(err.Error(), 1)
+	}
+	return nil
+
+}
+
+func cmdRun(gopath string) (err error) {
+
+	root := filepath.Join(gopath, "src")
+	serviceInfos, err := ioutil.ReadDir(root)
+	if err != nil {
+		return
+	}
+
+	ignoreCh := make(chan string)
+	pathCh := make(chan string)
+	done := make(chan interface{})
+
+	go SearchParallel(pathCh, ignoreCh, done)
+	for _, info := range serviceInfos {
+		if info.IsDir() {
+			pathCh <- filepath.Join(root, info.Name())
+		}
+	}
+	close(pathCh)
+
+	goimportsignore := filepath.Join(root, ".goimportsignore")
+	defined, err := LoadIgnoredPaths(goimportsignore)
+	if err != nil {
+		return
+	}
+
+	fp, err := os.OpenFile(goimportsignore, os.O_WRONLY|os.O_APPEND, 0644)
+	if err != nil {
+		return
+	}
+	defer fp.Close()
+
+	for {
+		select {
+		case path := <-ignoreCh:
+			if _, exist := defined[path]; !exist {
+				fmt.Fprintln(fp, path)
+				fmt.Printf("Append %s\n", path)
+			}
+		case <-done:
+			return nil
+		}
+	}
+
+}
+
+// SearchParallel is a go-routine searching repositories which doesn't belong to
+// golang project. It reads search roots from input channel, and write found
+// reporitories to output channel. After putting all search roots to input,
+// users must close the input channel. When all search finish, the notification
+// will be put in done channel.
+func SearchParallel(input <-chan string, output chan<- string, done chan<- interface{}) {
+
+	var wg sync.WaitGroup
+	for {
+		path, ok := <-input
+		if !ok {
+			break
+		}
+
+		go func() {
+			wg.Add(1)
+			defer wg.Done()
+			searchDir(path, output)
+		}()
+	}
+	wg.Wait()
+	done <- struct{}{}
+
+}
+
+func searchDir(path string, ch chan<- string) {
+
+	infos, err := ioutil.ReadDir(path)
+	if err != nil {
+		return
+	}
+
+	isRepository := false
+	isGoRepository := false
+	for _, info := range infos {
+
+		if info.IsDir() {
+
+			if info.Name() == ".git" {
+				isRepository = true
+			} else if !strings.HasPrefix(".", info.Name()) {
+
+				if isRepository {
+					// checking .go folder.
+					if searchGoSource(filepath.Join(path, info.Name())) {
+						isGoRepository = true
+						break
+					}
+				} else {
+					// recursive call
+					searchDir(filepath.Join(path, info.Name()), ch)
+				}
+			}
+
+		} else if strings.HasSuffix(info.Name(), ".go") {
+			isGoRepository = true
+		}
+
+	}
+
+	if isRepository && !isGoRepository {
+		ch <- path
+	}
+
+}
+
+func searchGoSource(path string) bool {
+
+	infos, err := ioutil.ReadDir(path)
+	if err != nil {
+		fmt.Printf("Skip %s (%s)\n", path, err.Error())
+		return false
+	}
+
+	dirs := map[string]bool{}
+	for _, info := range infos {
+
+		if info.IsDir() {
+			dirs[info.Name()] = true
+		} else {
+			if strings.HasSuffix(info.Name(), ".go") {
+				return true
+			}
+		}
+
+	}
+
+	for sub := range dirs {
+		if searchGoSource(filepath.Join(path, sub)) {
+			return true
+		}
+	}
+
+	return false
+
+}
+
+// LoadIgnoredPaths reads a .goimportsignore file and returns a set of paths
+// included in that file.
+func LoadIgnoredPaths(path string) (res map[string]interface{}, err error) {
+
+	raw, err := ioutil.ReadFile(path)
+	if err != nil {
+		return
+	}
+
+	res = map[string]interface{}{}
+	for _, path := range strings.Split(string(raw), "\n") {
+		res[path] = struct{}{}
+	}
+	return
+
+}

commands.go

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+package main
+
+import (
+	"fmt"
+	"os"
+
+	"github.com/urfave/cli"
+)
+
+// GlobalFlags defines global flags.
+var GlobalFlags = []cli.Flag{
+	cli.StringFlag{
+		EnvVar: "GOPATH",
+		Name:   "gopath",
+		Usage:  "`GOPATH`",
+	},
+}
+
+// Commands defines sub commands.
+var Commands = []cli.Command{}
+
+// CommandNotFound defines an action when a given command won't be supported.
+func CommandNotFound(c *cli.Context, command string) {
+	fmt.Fprintf(
+		os.Stderr, "%s: '%s' is not a %s command. See '%s --help'.",
+		c.App.Name, command, c.App.Name, c.App.Name)
+	os.Exit(2)
+}

main.go

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+package main
+
+import (
+	"os"
+
+	"github.com/jkawamoto/gii/command"
+	"github.com/urfave/cli"
+)
+
+func main() {
+
+	app := cli.NewApp()
+	app.Name = Name
+	app.Version = Version
+	app.Author = "Junpei Kawamoto"
+	app.Email = "kawamoto.junpei@gmail.com"
+	app.Usage = "set repositories which doesn't belong golang project to .goimportsignore."
+
+	app.Flags = GlobalFlags
+	app.Action = command.CmdRun
+	app.Commands = Commands
+	app.CommandNotFound = CommandNotFound
+	app.EnableBashCompletion = true
+	app.Copyright = `Copyright (C) 2016  Junpei Kawamoto
+This software is released under the MIT License.`
+
+	app.Run(os.Args)
+}

version.go

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+package main
+
+const (
+	// Name defines the name of this command.
+	Name string = "gii"
+	// Version defines version number.
+	Version string = "0.1.0"
+)