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commands.go
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commands.go
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// Copyright 2022 Chainguard, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package cli
import (
"fmt"
"log/slog"
"net/http"
"chainguard.dev/apko/pkg/log"
"github.com/spf13/cobra"
"sigs.k8s.io/release-utils/version"
)
func New() *cobra.Command {
var logPolicy []string
var logLevel string
cmd := &cobra.Command{
Use: "melange",
DisableAutoGenTag: true,
SilenceUsage: true,
SilenceErrors: true,
PersistentPreRunE: func(cmd *cobra.Command, args []string) error {
http.DefaultTransport = userAgentTransport{http.DefaultTransport}
var level slog.Level
switch logLevel {
case "debug":
level = slog.LevelDebug
case "info":
level = slog.LevelInfo
case "warn":
level = slog.LevelWarn
case "error":
level = slog.LevelError
default:
return fmt.Errorf("invalid log level: %s", logLevel)
}
slog.SetDefault(slog.New(log.Handler(logPolicy, level)))
return nil
},
}
cmd.PersistentFlags().StringSliceVar(&logPolicy, "log-policy", []string{"builtin:stderr"}, "log policy (e.g. builtin:stderr, /tmp/log/foo)")
cmd.PersistentFlags().StringVar(&logLevel, "log-level", "info", "log level (e.g. debug, info, warn, error)")
cmd.AddCommand(Build())
cmd.AddCommand(Bump())
cmd.AddCommand(Completion())
cmd.AddCommand(Convert())
cmd.AddCommand(Index())
cmd.AddCommand(Keygen())
cmd.AddCommand(Lint())
cmd.AddCommand(PackageVersion())
cmd.AddCommand(Query())
cmd.AddCommand(Sign())
cmd.AddCommand(SignIndex())
cmd.AddCommand(Test())
cmd.AddCommand(UpdateCache())
cmd.AddCommand(version.Version())
return cmd
}
type userAgentTransport struct{ t http.RoundTripper }
func (u userAgentTransport) RoundTrip(req *http.Request) (*http.Response, error) {
req.Header.Set("User-Agent", fmt.Sprintf("melange/%s", version.GetVersionInfo().GitVersion))
return u.t.RoundTrip(req)
}