github.com/Prakhar-Agarwal-byte/moby@v0.0.0-20231027092010-a14e3e8ab87e/pkg/system/filesys.go (about)

     1  package system
     2  
     3  import (
     4  	"os"
     5  	"path/filepath"
     6  	"strings"
     7  )
     8  
     9  // IsAbs is a platform-agnostic wrapper for filepath.IsAbs.
    10  //
    11  // On Windows, golang filepath.IsAbs does not consider a path \windows\system32
    12  // as absolute as it doesn't start with a drive-letter/colon combination. However,
    13  // in docker we need to verify things such as WORKDIR /windows/system32 in
    14  // a Dockerfile (which gets translated to \windows\system32 when being processed
    15  // by the daemon). This SHOULD be treated as absolute from a docker processing
    16  // perspective.
    17  func IsAbs(path string) bool {
    18  	return filepath.IsAbs(path) || strings.HasPrefix(path, string(os.PathSeparator))
    19  }