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feat: improve flags parsing #461

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feat: improve flags parsing #461

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b4ab12c
fix: upgrade ffcli version v2->v3
Doozers Sep 15, 2022
a82b084
fix: upgrade moul/u version
Doozers Sep 15, 2022
42eb923
feat: implement moul/climan
Doozers Sep 15, 2022
d0ef6ca
feat: use commonFlagsBuilder as a method
Doozers Sep 15, 2022
c0c27bd
fix: apply review comments
Doozers Sep 19, 2022
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5 changes: 3 additions & 2 deletions go.mod
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6 changes: 6 additions & 0 deletions go.sum
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53 changes: 36 additions & 17 deletions go/cmd/yolo/main.go
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Original file line number Diff line number Diff line change
Expand Up @@ -3,6 +3,7 @@ package main
import (
"context"
"flag"
"fmt"
"log"
"math/rand"
"net/http"
Expand All @@ -13,6 +14,7 @@ import (
"berty.tech/yolo/v2/go/pkg/bintray"
"go.uber.org/zap"
"golang.org/x/oauth2"
"moul.io/climan"
"moul.io/hcfilters"
"moul.io/zapconfig"

Expand All @@ -25,19 +27,34 @@ import (
_ "github.com/jinzhu/gorm/dialects/sqlite"
circleci "github.com/jszwedko/go-circleci"
"github.com/peterbourgon/diskv"
ff "github.com/peterbourgon/ff/v2"
"github.com/peterbourgon/ff/v2/ffcli"
ff "github.com/peterbourgon/ff/v3"
)

var (
verbose bool
logFormat string
dbStorePath string
withPreloading bool
)
type globalOptions struct {
verbose bool
logFormat string
dbStorePath string

server serverOpts
}

func (g *globalOptions) applyDefaults() {
g.verbose = false
g.logFormat = "console"
g.dbStorePath = ":memory:"
}

func (g *globalOptions) commonFlagsBuilder(fs *flag.FlagSet) {
fs.BoolVar(&g.verbose, "v", g.verbose, "increase log verbosity")
fs.StringVar(&g.logFormat, "log-format", g.logFormat, strings.Join(zapconfig.AvailablePresets, ", "))
fs.StringVar(&g.dbStorePath, "db-path", g.dbStorePath, "DB Store path")
}

var glOpts = &globalOptions{}

func main() {
err := yolo(os.Args)
glOpts.applyDefaults()
err := yolo(os.Args[1:])
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Can you check how things are going when you run yolo without additional parameter?

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image

if err != nil {
log.Fatalf("err: %+v", err)
os.Exit(1)
Expand All @@ -49,25 +66,27 @@ func yolo(args []string) error {
rootFlagSet := flag.NewFlagSet("yolo", flag.ExitOnError)
rand.Seed(time.Now().UnixNano())
rootFlagSet.SetOutput(os.Stderr)
rootFlagSet.BoolVar(&verbose, "v", false, "increase log verbosity")
rootFlagSet.StringVar(&logFormat, "log-format", "console", strings.Join(zapconfig.AvailablePresets, ", "))

root := &ffcli.Command{
ShortUsage: `server [flags] <subcommand>`,
FlagSet: rootFlagSet,
Subcommands: []*ffcli.Command{
root := &climan.Command{
ShortUsage: `yolo [flags] <subcommand>`,
FlagSetBuilder: glOpts.commonFlagsBuilder,
Subcommands: []*climan.Command{
serverCommand(),
dumpObjectsCommand(),
infoCommand(),
treeCommand(),
},
Options: []ff.Option{ff.WithEnvVarNoPrefix()},
FFOptions: []ff.Option{ff.WithEnvVarNoPrefix()},
Exec: func(_ context.Context, _ []string) error {
return flag.ErrHelp
},
}

return root.ParseAndRun(context.Background(), os.Args[1:])
if err := root.Parse(args); err != nil {
return fmt.Errorf("parse error: %w", err)
}

return root.Run(context.Background())
}

func bintrayClientFromArgs(username, token string, logger *zap.Logger) (*bintray.Client, error) {
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