github.com/yourbase/yb@v0.7.1/cmd/yb/config.go (about)

     1  package main
     2  
     3  import (
     4  	"fmt"
     5  	"strings"
     6  
     7  	"github.com/spf13/cobra"
     8  	"github.com/yourbase/commons/ini"
     9  	"github.com/yourbase/yb/internal/config"
    10  	"go4.org/xdgdir"
    11  	"zombiezen.com/go/log"
    12  )
    13  
    14  var (
    15  	VARS = []string{"environment", "log-level", "log-section", "no-pretty-output"}
    16  )
    17  
    18  func newConfigCmd(cfg ini.FileSet) *cobra.Command {
    19  	group := &cobra.Command{
    20  		Use:           "config",
    21  		Short:         "Print or change settings",
    22  		SilenceErrors: true,
    23  		SilenceUsage:  true,
    24  	}
    25  	group.AddCommand(newConfigGetCmd(cfg), newConfigSetCmd(cfg))
    26  	return group
    27  }
    28  
    29  func newConfigGetCmd(cfg ini.FileSet) *cobra.Command {
    30  	return &cobra.Command{
    31  		Use:                   "get KEY",
    32  		Short:                 "Print configuration setting",
    33  		SilenceErrors:         true,
    34  		SilenceUsage:          true,
    35  		DisableFlagsInUseLine: true,
    36  		Args:                  cobra.ExactArgs(1),
    37  		RunE: func(cmd *cobra.Command, args []string) error {
    38  			k := args[0]
    39  			for _, configVar := range VARS {
    40  				if k == configVar {
    41  					fmt.Println(config.Get(cfg, "defaults", k))
    42  					return nil
    43  				}
    44  			}
    45  			return fmt.Errorf("unknown config variable %q (must be one of %s)", k, strings.Join(VARS, ", "))
    46  		},
    47  	}
    48  }
    49  
    50  func newConfigSetCmd(cfg ini.FileSet) *cobra.Command {
    51  	return &cobra.Command{
    52  		Use:                   "set KEY=VALUE",
    53  		Short:                 "Change configuration setting",
    54  		SilenceErrors:         true,
    55  		SilenceUsage:          true,
    56  		DisableFlagsInUseLine: true,
    57  		Args: func(cmd *cobra.Command, args []string) error {
    58  			if len(args) != 1 {
    59  				return fmt.Errorf("accepts 1 arg, received %d", len(args))
    60  			}
    61  			if !strings.Contains(args[0], "=") {
    62  				return fmt.Errorf("argument must be in the form KEY=VALUE")
    63  			}
    64  			return nil
    65  		},
    66  		RunE: func(cmd *cobra.Command, args []string) error {
    67  			ctx := cmd.Context()
    68  			i := strings.Index(args[0], "=")
    69  			k, v := args[0][:i], args[0][i+1:]
    70  			for _, configVar := range VARS {
    71  				if k == configVar {
    72  					if len(cfg) == 0 {
    73  						return fmt.Errorf("%v not set", xdgdir.Config)
    74  					}
    75  					cfg.Set("defaults", k, v)
    76  					if err := config.Save(cfg[0]); err != nil {
    77  						return err
    78  					}
    79  					log.Infof(ctx, "Configuration done")
    80  					return nil
    81  				}
    82  			}
    83  			return fmt.Errorf("unknown config variable %q (must be one of %s)", k, strings.Join(VARS, ", "))
    84  		},
    85  	}
    86  }