itd/cmd/itctl/root/root.go

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/*
* itd uses bluetooth low energy to communicate with InfiniTime devices
* Copyright (C) 2021 Arsen Musayelyan
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
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package root
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import (
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"github.com/abiosoft/ishell"
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"github.com/spf13/cobra"
"github.com/spf13/viper"
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)
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// RootCmd represents the base command when called without any subcommands
var RootCmd = &cobra.Command{
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Use: "itctl",
Short: "Control the itd daemon for InfiniTime smartwatches",
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Run: func(cmd *cobra.Command, args []string) {
// Create new shell
sh := ishell.New()
sh.SetPrompt("itctl> ")
// For every command in cobra
for _, subCmd := range cmd.Commands() {
// Add top level command to ishell
sh.AddCmd(&ishell.Cmd{
Name: subCmd.Name(),
Help: subCmd.Short,
Aliases: subCmd.Aliases,
LongHelp: subCmd.Long,
Func: func(ctx *ishell.Context) {
// Append name and arguments of command
args := append([]string{ctx.Cmd.Name}, ctx.Args...)
// Set root command arguments
cmd.SetArgs(args)
// Execute root command with new arguments
cmd.Execute()
},
})
}
// Start shell
sh.Run()
},
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}
// Execute adds all child commands to the root command and sets flags appropriately.
// This is called by main.main(). It only needs to happen once to the rootCmd.
func Execute() {
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RootCmd.CompletionOptions.DisableDefaultCmd = true
cobra.CheckErr(RootCmd.Execute())
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}
func init() {
// Register flag for socket path
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RootCmd.Flags().StringP("socket-path", "s", "", "Path to itd socket")
// Bind flag and environment variable to viper key
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viper.BindPFlag("sockPath", RootCmd.Flags().Lookup("socket-path"))
viper.BindEnv("sockPath", "ITCTL_SOCKET_PATH")
// Set default value for socket path
viper.SetDefault("sockPath", "/tmp/itd/socket")
}