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package git2go
import (
"bytes"
"context"
"encoding/base64"
"encoding/json"
"errors"
"fmt"
"io"
"os/exec"
"path/filepath"
"strings"
"gitlab.com/gitlab-org/gitaly/internal/command"
"gitlab.com/gitlab-org/gitaly/internal/gitaly/config"
)
var (
// ErrInvalidArgument is returned in case the merge arguments are invalid.
ErrInvalidArgument = errors.New("invalid parameters")
)
func binaryPathFromCfg(cfg config.Cfg) string {
return filepath.Join(cfg.BinDir, "gitaly-git2go")
}
func run(ctx context.Context, binaryPath string, stdin io.Reader, args ...string) (*bytes.Buffer, error) {
var stderr, stdout bytes.Buffer
cmd, err := command.New(ctx, exec.Command(binaryPath, args...), stdin, &stdout, &stderr)
if err != nil {
return nil, err
}
if err := cmd.Wait(); err != nil {
if _, ok := err.(*exec.ExitError); ok {
return nil, fmt.Errorf("%s", stderr.String())
}
return nil, err
}
return &stdout, nil
}
func serialize(v interface{}) (string, error) {
marshalled, err := json.Marshal(v)
if err != nil {
return "", err
}
return base64.StdEncoding.EncodeToString(marshalled), nil
}
func deserialize(serialized string, v interface{}) error {
base64Decoder := base64.NewDecoder(base64.StdEncoding, strings.NewReader(serialized))
jsonDecoder := json.NewDecoder(base64Decoder)
return jsonDecoder.Decode(v)
}
func serializeTo(writer io.Writer, v interface{}) error {
base64Encoder := base64.NewEncoder(base64.StdEncoding, writer)
defer base64Encoder.Close()
jsonEncoder := json.NewEncoder(base64Encoder)
return jsonEncoder.Encode(v)
}
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