Function copy_file

src/install.c:415–431

   was skipped.  */

static enum copy_status
copy_file (char const *from, char const *to,
           int to_dirfd, char const *to_relname, const struct cp_options *x)
{
  if (copy_only_if_needed && !need_copy (from, to, to_dirfd, to_relname, x))
    return COPY_SKIPPED;

  /* Allow installing from non-regular files like /dev/null.
     Charles Karney reported that some Sun version of install allows that
     and that sendmail's installation process relies on the behavior.
     However, since !x->recursive, the call to "copy" will fail if FROM
     is a directory.  */

  bool copy_into_self;
  return (copy (from, to, to_dirfd, to_relname, 0, x, &copy_into_self, NULL)
          ? COPY_OK : COPY_FAILED);
}

/* Set the attributes of file or directory NAME aka DIRFD+RELNAME.
   Return true if successful.  */