sq/cli/cmd_config_get.go

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package cli
import (
"github.com/neilotoole/sq/cli/flag"
"github.com/neilotoole/sq/libsq/core/errz"
"github.com/neilotoole/sq/libsq/core/options"
"github.com/spf13/cobra"
)
func newConfigGetCmd() *cobra.Command {
cmd := &cobra.Command{
Use: "get",
Short: "Show config",
Long: `Show config. By default, only explicitly set options are shown.
Use the --verbose flag (in text output format) to see all options.`,
Args: cobra.MaximumNArgs(1),
ValidArgsFunction: completeOptKey,
RunE: execConfigGet,
Example: ` # Show base config
$ sq config get
# Also show defaults and unset options.
$ sq config get -v
# Show individual option
$ sq config get conn.max-open
# Show config for source
$ sq config get --src @sakila
# Show config for source, including defaults and unset options.
$ sq config get --src @sakila -v
# Show individual option for src
$ sq config get --src @sakila conn.max-open
# Show config for active source
$ sq config get --src @active`,
}
cmd.Flags().BoolP(flag.JSON, flag.JSONShort, false, flag.JSONUsage)
cmd.Flags().BoolP(flag.YAML, flag.YAMLShort, false, flag.YAMLUsage)
cmd.Flags().String(flag.ConfigSrc, "", flag.ConfigSrcUsage)
panicOn(cmd.RegisterFlagCompletionFunc(flag.ConfigSrc, completeHandle(1)))
return cmd
}
func execConfigGet(cmd *cobra.Command, args []string) error {
rc := RunContextFrom(cmd.Context())
o := rc.Config.Options
reg := rc.OptionsRegistry
if cmdFlagChanged(cmd, flag.ConfigSrc) {
handle, err := cmd.Flags().GetString(flag.ConfigSrc)
if err != nil {
return errz.Err(err)
}
src, err := rc.Config.Collection.Get(handle)
if err != nil {
return err
}
o = src.Options
if o == nil {
o = options.Options{}
}
// Create a new registry that only contains Opts applicable
// to this source.
opts := filterOptionsForSrc(src.Type, reg.Opts()...)
reg = &options.Registry{}
reg.Add(opts...)
}
if len(args) == 0 {
return rc.writers.configw.Options(reg, o)
}
// Print just a single option, e.g.
// $ sq config get conn.max-open
opt := reg.Get(args[0])
if opt == nil {
return errz.Errorf("invalid option key: %s", args[0])
}
// A bit of a hack... create a new registry with just the desired opt.
reg2 := &options.Registry{}
reg2.Add(opt)
o2 := options.Options{}
if v, ok := o[opt.Key()]; ok {
o2[opt.Key()] = v
}
return rc.writers.configw.Options(reg2, o2)
}