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27 lines
800 B
Go
27 lines
800 B
Go
package dockerfile
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import (
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"os"
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"path/filepath"
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"strings"
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)
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func defaultShellForOS(os string) []string {
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if os == "linux" {
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return []string{"/bin/sh", "-c"}
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}
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return []string{"cmd", "/S", "/C"}
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}
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// isAbs is a platform-agnostic wrapper for filepath.IsAbs.
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//
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// On Windows, golang filepath.IsAbs does not consider a path \windows\system32
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// as absolute as it doesn't start with a drive-letter/colon combination. However,
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// in docker we need to verify things such as WORKDIR /windows/system32 in
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// a Dockerfile (which gets translated to \windows\system32 when being processed
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// by the daemon). This SHOULD be treated as absolute from a docker processing
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// perspective.
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func isAbs(path string) bool {
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return filepath.IsAbs(path) || strings.HasPrefix(path, string(os.PathSeparator))
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}
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