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mirror of https://github.com/linka-cloud/d2vm.git synced 2024-11-10 18:16:24 +00:00
d2vm/pkg/exec/exec.go
Adphi 9020cb0579
output defaults to raw
move image using sparsecat
print command in debug mode

Signed-off-by: Adphi <philippe.adrien.nousse@gmail.com>
2022-08-04 18:10:03 +02:00

67 lines
1.6 KiB
Go

// Copyright 2022 Linka Cloud All rights reserved.
//
// 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 exec
import (
"bytes"
"context"
"fmt"
"os"
"os/exec"
"strings"
)
var (
Run = RunNoOut
CommandContext = exec.CommandContext
)
func SetDebug(debug bool) {
if debug {
Run = RunStdout
} else {
Run = RunNoOut
}
}
func RunStdout(ctx context.Context, c string, args ...string) error {
fmt.Printf("\n$ %s %s\n", c, strings.Join(args, " "))
cmd := exec.CommandContext(ctx, c, args...)
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
return cmd.Run()
}
func RunNoOut(ctx context.Context, c string, args ...string) error {
_, _, err := RunOut(ctx, c, args...)
if err != nil {
return err
}
return nil
}
func RunOut(ctx context.Context, c string, args ...string) (stdout, stderr string, err error) {
cmd := exec.CommandContext(ctx, c, args...)
var stdo, stde bytes.Buffer
cmd.Stdout = &stdo
cmd.Stderr = &stde
err = cmd.Run()
if err != nil {
return "", "", fmt.Errorf("%s %s: stdout: %s stderr: %s error: %w", c, strings.Join(args, " "), stdo.String(), stde.String(), err)
}
return stdo.String(), stde.String(), nil
}