+++ /dev/null
-// Copyright © 2015 Steve Francia <spf@spf13.com>.
-//
-// 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 cmd
-
-import (
- "bytes"
- "fmt"
- "io"
- "os"
- "os/exec"
- "path/filepath"
- "strings"
- "text/template"
-)
-
-var cmdDirs = [...]string{"cmd", "cmds", "command", "commands"}
-var srcPaths []string
-
-func init() {
- // Initialize srcPaths.
- envGoPath := os.Getenv("GOPATH")
- goPaths := filepath.SplitList(envGoPath)
- if len(goPaths) == 0 {
- // Adapted from https://github.com/Masterminds/glide/pull/798/files.
- // As of Go 1.8 the GOPATH is no longer required to be set. Instead there
- // is a default value. If there is no GOPATH check for the default value.
- // Note, checking the GOPATH first to avoid invoking the go toolchain if
- // possible.
-
- goExecutable := os.Getenv("COBRA_GO_EXECUTABLE")
- if len(goExecutable) <= 0 {
- goExecutable = "go"
- }
-
- out, err := exec.Command(goExecutable, "env", "GOPATH").Output()
- if err != nil {
- er(err)
- }
-
- toolchainGoPath := strings.TrimSpace(string(out))
- goPaths = filepath.SplitList(toolchainGoPath)
- if len(goPaths) == 0 {
- er("$GOPATH is not set")
- }
- }
- srcPaths = make([]string, 0, len(goPaths))
- for _, goPath := range goPaths {
- srcPaths = append(srcPaths, filepath.Join(goPath, "src"))
- }
-}
-
-func er(msg interface{}) {
- fmt.Println("Error:", msg)
- os.Exit(1)
-}
-
-// isEmpty checks if a given path is empty.
-// Hidden files in path are ignored.
-func isEmpty(path string) bool {
- fi, err := os.Stat(path)
- if err != nil {
- er(err)
- }
-
- if !fi.IsDir() {
- return fi.Size() == 0
- }
-
- f, err := os.Open(path)
- if err != nil {
- er(err)
- }
- defer f.Close()
-
- names, err := f.Readdirnames(-1)
- if err != nil && err != io.EOF {
- er(err)
- }
-
- for _, name := range names {
- if len(name) > 0 && name[0] != '.' {
- return false
- }
- }
- return true
-}
-
-// exists checks if a file or directory exists.
-func exists(path string) bool {
- if path == "" {
- return false
- }
- _, err := os.Stat(path)
- if err == nil {
- return true
- }
- if !os.IsNotExist(err) {
- er(err)
- }
- return false
-}
-
-func executeTemplate(tmplStr string, data interface{}) (string, error) {
- tmpl, err := template.New("").Funcs(template.FuncMap{"comment": commentifyString}).Parse(tmplStr)
- if err != nil {
- return "", err
- }
-
- buf := new(bytes.Buffer)
- err = tmpl.Execute(buf, data)
- return buf.String(), err
-}
-
-func writeStringToFile(path string, s string) error {
- return writeToFile(path, strings.NewReader(s))
-}
-
-// writeToFile writes r to file with path only
-// if file/directory on given path doesn't exist.
-// If file/directory exists on given path, then
-// it terminates app and prints an appropriate error.
-func writeToFile(path string, r io.Reader) error {
- if exists(path) {
- return fmt.Errorf("%v already exists", path)
- }
-
- dir := filepath.Dir(path)
- if dir != "" {
- if err := os.MkdirAll(dir, 0777); err != nil {
- return err
- }
- }
-
- file, err := os.Create(path)
- if err != nil {
- return err
- }
- defer file.Close()
-
- _, err = io.Copy(file, r)
- return err
-}
-
-// commentfyString comments every line of in.
-func commentifyString(in string) string {
- var newlines []string
- lines := strings.Split(in, "\n")
- for _, line := range lines {
- if strings.HasPrefix(line, "//") {
- newlines = append(newlines, line)
- } else {
- if line == "" {
- newlines = append(newlines, "//")
- } else {
- newlines = append(newlines, "// "+line)
- }
- }
- }
- return strings.Join(newlines, "\n")
-}
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