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package env
// ParseSlice parses the specified slice and transforms it into an environment
// map.
func ParseSlice(s []string) (map[string]string, error) {
env := make(map[string]string, len(s))
for _, e := range s {
if len(e) > 0 && e[0] == '=' {
// The legacy Windows CMD command interpreter uses a hack, where to emulate
// DOS semantics, it uses an illegal (by windows definition) env name for
// state storage to avoid conlficting with user defined env names. This is
// used to preserve drive letter paths. E.g., typing c: from another drive
// will remember the last CWD because CMD stores it in an env named "=C:".
// Since these are illegal, they are filtered from standard user access but
// are still available in the underlying win32 API calls. Since they have
// zero value to a container, we filter as well.
continue
}
if err := parseEnv(env, e); err != nil {
return nil, err
}
}
return env, nil
}
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