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9fab1b4e1d
This confused me: ``` terminal command () doesn't define an Exec function ``` Now it prints a help text. Test plan: Verified the above behavior by hand.
41 lines
707 B
Go
41 lines
707 B
Go
package main
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import (
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"context"
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"flag"
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"fmt"
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"os"
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"github.com/peterbourgon/ff/v3/ffcli"
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)
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func main() {
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if err := mainErr(); err != nil {
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fmt.Printf("error: %s\n", err)
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os.Exit(1)
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}
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}
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var rootFlagSet = flag.NewFlagSet("depgraph", flag.ExitOnError)
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var rootCommand = &ffcli.Command{
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ShortUsage: "depgraph [flags] <subcommand>",
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FlagSet: rootFlagSet,
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Exec: func(ctx context.Context, args []string) error {
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return flag.ErrHelp
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},
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Subcommands: []*ffcli.Command{
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summaryCommand,
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traceCommand,
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traceInternalCommand,
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lintCommand,
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},
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}
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func mainErr() error {
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if err := rootCommand.Parse(os.Args[1:]); err != nil {
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return err
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}
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return rootCommand.Run(context.Background())
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}
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