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package git
import (
"context"
"io"
"os/exec"
"gitlab.com/gitlab-org/gitaly/internal/command"
"gitlab.com/gitlab-org/gitaly/internal/git/alternates"
"gitlab.com/gitlab-org/gitaly/internal/git/repository"
)
// unsafeCmd creates a git.unsafeCmd with the given args and Repository
func unsafeCmd(ctx context.Context, repo repository.GitRepo, args ...string) (*command.Command, error) {
args, env, err := argsAndEnv(repo, args...)
if err != nil {
return nil, err
}
return unsafeBareCmd(ctx, nil, nil, nil, env, args...)
}
// unsafeStdinCmd creates a git.Command with the given args and Repository that is
// suitable for Write()ing to
func unsafeStdinCmd(ctx context.Context, repo repository.GitRepo, args ...string) (*command.Command, error) {
args, env, err := argsAndEnv(repo, args...)
if err != nil {
return nil, err
}
return unsafeBareCmd(ctx, command.SetupStdin, nil, nil, env, args...)
}
func argsAndEnv(repo repository.GitRepo, args ...string) ([]string, []string, error) {
repoPath, env, err := alternates.PathAndEnv(repo)
if err != nil {
return nil, nil, err
}
args = append([]string{"--git-dir", repoPath}, args...)
return args, env, nil
}
// unsafeBareCmd creates a git.Command with the given args, stdin/stdout/stderr, and env
func unsafeBareCmd(ctx context.Context, stdin io.Reader, stdout, stderr io.Writer, env []string, args ...string) (*command.Command, error) {
env = append(env, command.GitEnv...)
return command.New(ctx, exec.Command(command.GitPath(), args...), stdin, stdout, stderr, env...)
}
// unsafeCmdWithoutRepo works like Command but without a git repository
func unsafeCmdWithoutRepo(ctx context.Context, args ...string) (*command.Command, error) {
return unsafeBareCmd(ctx, nil, nil, nil, nil, args...)
}
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