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package git
import (
"context"
"errors"
"gitlab.com/gitlab-org/gitaly/internal/command"
"gitlab.com/gitlab-org/gitaly/internal/git/repository"
)
// DefaultBranch now defaults to master, as that's the Git default
const DefaultBranch = "master"
// DefaultRef is the reference that GitLab will use if HEAD of the bare repository
// is not found, or other edge cases to detect the default branch.
var DefaultRef = []byte("refs/heads/" + DefaultBranch)
var (
// ErrReferenceNotFound represents an error when a reference was not
// found.
ErrReferenceNotFound = errors.New("reference not found")
// ErrReferenceAmbiguous represents an error when a reference couldn't
// unambiguously be resolved.
ErrReferenceAmbiguous = errors.New("reference is ambiguous")
// ErrAlreadyExists represents an error when the resource is already exists.
ErrAlreadyExists = errors.New("already exists")
// ErrNotFound represents an error when the resource can't be found.
ErrNotFound = errors.New("not found")
)
// Repository is the common interface of different repository implementations.
type Repository interface {
// ResolveRevision tries to resolve the given revision to its object
// ID. This uses the typical DWIM mechanism of git, see gitrevisions(1)
// for accepted syntax. This will not verify whether the object ID
// exists. To do so, you can peel the reference to a given object type,
// e.g. by passing `refs/heads/master^{commit}`.
ResolveRevision(ctx context.Context, revision Revision) (ObjectID, error)
// HasBranches returns whether the repository has branches.
HasBranches(ctx context.Context) (bool, error)
}
// RepositoryExecutor is an interface which allows execution of Git commands in a specific
// repository.
type RepositoryExecutor interface {
repository.GitRepo
Exec(ctx context.Context, cmd Cmd, opts ...CmdOpt) (*command.Command, error)
ExecAndWait(ctx context.Context, cmd Cmd, opts ...CmdOpt) error
}
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