spf13--cobra/cobra/cmd/init.go

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// 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 (
"fmt"
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"os"
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"path"
"github.com/spf13/cobra"
"github.com/spf13/viper"
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)
var (
pkgName string
initCmd = &cobra.Command{
Use: "init [name]",
Aliases: []string{"initialize", "initialise", "create"},
Short: "Initialize a Cobra Application",
Long: `Initialize (cobra init) will create a new application, with a license
and the appropriate structure for a Cobra-based CLI application.
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* If a name is provided, a directory with that name will be created in the current directory;
* If no name is provided, the current directory will be assumed;
`,
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Run: func(_ *cobra.Command, args []string) {
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projectPath, err := initializeProject(args)
cobra.CheckErr(err)
fmt.Printf("Your Cobra application is ready at\n%s\n", projectPath)
},
}
)
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func init() {
initCmd.Flags().StringVar(&pkgName, "pkg-name", "", "fully qualified pkg name")
cobra.CheckErr(initCmd.MarkFlagRequired("pkg-name"))
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}
func initializeProject(args []string) (string, error) {
wd, err := os.Getwd()
if err != nil {
return "", err
}
if len(args) > 0 {
if args[0] != "." {
wd = fmt.Sprintf("%s/%s", wd, args[0])
}
}
project := &Project{
AbsolutePath: wd,
PkgName: pkgName,
Legal: getLicense(),
Copyright: copyrightLine(),
Viper: viper.GetBool("useViper"),
AppName: path.Base(pkgName),
}
if err := project.Create(); err != nil {
return "", err
}
return project.AbsolutePath, nil
}