37 lines
1.1 KiB
Go
37 lines
1.1 KiB
Go
//go:build !windows
|
|
// +build !windows
|
|
|
|
package dockerfile // import "github.com/docker/docker/builder/dockerfile"
|
|
|
|
import (
|
|
"errors"
|
|
"os"
|
|
"path/filepath"
|
|
|
|
"github.com/docker/docker/api/types/container"
|
|
"github.com/moby/buildkit/frontend/dockerfile/instructions"
|
|
)
|
|
|
|
// normalizeWorkdir normalizes a user requested working directory in a
|
|
// platform semantically consistent way.
|
|
func normalizeWorkdir(_ string, current string, requested string) (string, error) {
|
|
if requested == "" {
|
|
return "", errors.New("cannot normalize nothing")
|
|
}
|
|
current = filepath.FromSlash(current)
|
|
requested = filepath.FromSlash(requested)
|
|
if !filepath.IsAbs(requested) {
|
|
return filepath.Join(string(os.PathSeparator), current, requested), nil
|
|
}
|
|
return requested, nil
|
|
}
|
|
|
|
// resolveCmdLine takes a command line arg set and optionally prepends a platform-specific
|
|
// shell in front of it.
|
|
func resolveCmdLine(cmd instructions.ShellDependantCmdLine, runConfig *container.Config, os, _, _ string) ([]string, bool) {
|
|
result := cmd.CmdLine
|
|
if cmd.PrependShell && result != nil {
|
|
result = append(getShell(runConfig, os), result...)
|
|
}
|
|
return result, false
|
|
}
|