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94 lines
3.1 KiB
94 lines
3.1 KiB
/*
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Copyright © 2021 Drew Short <warricks@sothr.com>
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package cmd
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import (
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"fmt"
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"github.com/spf13/cobra"
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"os"
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"github.com/spf13/viper"
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)
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var cfgFile string
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// rootCmd represents the base command when called without any subcommands
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var rootCmd = &cobra.Command{
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Use: "pinned-package-updater",
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Short: "Update pinned packages in Dockerfiles",
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Long: `A longer description that spans multiple lines and likely contains
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examples and usage of using your application. For example:
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TODO: Add longer description with examples
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Cobra is a CLI library for Go that empowers applications.
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This application is a tool to generate the needed files
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to quickly create a Cobra application.`,
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// Uncomment the following line if your bare application
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// has an action associated with it:
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// Run: func(cmd *cobra.Command, args []string) { },
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}
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// Execute adds all child commands to the root command and sets flags appropriately.
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// This is called by main.main(). It only needs to happen once to the rootCmd.
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func Execute() {
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cobra.CheckErr(rootCmd.Execute())
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}
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func init() {
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cobra.OnInitialize(initConfig)
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// Here you will define your flags and configuration settings.
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// Cobra supports persistent flags, which, if defined here,
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// will be global for your application.
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rootCmd.PersistentFlags().StringVar(&cfgFile, "config", "", "config file (default is $HOME/.pinned-package-updater.yaml OR ./.pinned-package-updater.yaml)")
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// Cobra also supports local flags, which will only run
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// when this action is called directly.
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rootCmd.Flags().BoolP("toggle", "t", false, "Help message for toggle")
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}
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// initConfig reads in config file and ENV variables if set.
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func initConfig() {
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if cfgFile != "" {
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viper.SetConfigFile(cfgFile)
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} else {
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// Search config in home directory with name ".pinned-package-updater" (without extension).
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homeDirectory, homeDirectoryErr := os.UserHomeDir()
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cobra.CheckErr(homeDirectoryErr)
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viper.AddConfigPath(homeDirectory)
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viper.SetConfigType("yaml")
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viper.SetConfigName(".pinned-package-updater")
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// Search config in current directory with name ".pinned-package-updater" (without extension).
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currentDirectory, currentDirectoryErr := os.Getwd()
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cobra.CheckErr(currentDirectoryErr)
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viper.AddConfigPath(currentDirectory)
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viper.SetConfigType("yaml")
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viper.SetConfigName(".pinned-package-updater")
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}
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viper.AutomaticEnv() // read in environment variables that match
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// If a config file is found, read it in.
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if err := viper.ReadInConfig(); err == nil {
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_, _ = fmt.Fprintln(os.Stderr, "Using config file:", viper.ConfigFileUsed())
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}
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}
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