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moby--moby/builder/dockerfile/internals_unix.go

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// +build !windows
package dockerfile
import (
"os"
"path/filepath"
"strings"
"github.com/docker/docker/pkg/system"
)
// normaliseDest normalises the destination of a COPY/ADD command in a
// platform semantically consistent way.
func normaliseDest(cmdName, workingDir, requested string) (string, error) {
dest := filepath.FromSlash(requested)
endsInSlash := strings.HasSuffix(requested, string(os.PathSeparator))
if !system.IsAbs(requested) {
dest = filepath.Join(string(os.PathSeparator), filepath.FromSlash(workingDir), dest)
// Make sure we preserve any trailing slash
if endsInSlash {
dest += string(os.PathSeparator)
}
}
return dest, nil
}
func containsWildcards(name string) bool {
for i := 0; i < len(name); i++ {
ch := name[i]
if ch == '\\' {
i++
} else if ch == '*' || ch == '?' || ch == '[' {
return true
}
}
return false
}