Add our Chrome OS Type GUIDs to the list that gpt recognizes.

show.c

 /*-
  * Copyright (c) 2002 Marcel Moolenaar
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
@@ skipping 49 matching lines @@
         static uuid_t efi_slice = GPT_ENT_TYPE_EFI;
         static uuid_t mslinux = GPT_ENT_TYPE_MS_BASIC_DATA;
         static uuid_t freebsd = GPT_ENT_TYPE_FREEBSD;
         static uuid_t hfs = GPT_ENT_TYPE_APPLE_HFS;
         static uuid_t linuxswap = GPT_ENT_TYPE_LINUX_SWAP;
         static uuid_t msr = GPT_ENT_TYPE_MS_RESERVED;
         static uuid_t swap = GPT_ENT_TYPE_FREEBSD_SWAP;
         static uuid_t ufs = GPT_ENT_TYPE_FREEBSD_UFS;
         static uuid_t vinum = GPT_ENT_TYPE_FREEBSD_VINUM;
         static uuid_t zfs = GPT_ENT_TYPE_FREEBSD_ZFS;
+        static uuid_t chrome_kernel = GPT_ENT_TYPE_CHROMEOS_KERNEL;
+        static uuid_t chrome_rootfs = GPT_ENT_TYPE_CHROMEOS_ROOTFS;
+        static uuid_t chrome_future = GPT_ENT_TYPE_CHROMEOS_RESERVED;
         static char buf[80];
         char *s;
 
         if (show_uuid)
                 goto unfriendly;
 
         if (uuid_equal(t, &efi_slice, NULL))
                 return ("EFI System");
         if (uuid_equal(t, &boot, NULL))
                 return ("FreeBSD boot");
         if (uuid_equal(t, &swap, NULL))
                 return ("FreeBSD swap");
         if (uuid_equal(t, &ufs, NULL))
                 return ("FreeBSD UFS/UFS2");
         if (uuid_equal(t, &vinum, NULL))
                 return ("FreeBSD vinum");
         if (uuid_equal(t, &zfs, NULL))
                 return ("FreeBSD ZFS");
 
         if (uuid_equal(t, &freebsd, NULL))
                 return ("FreeBSD legacy");
         if (uuid_equal(t, &mslinux, NULL))
                 return ("Linux/Windows");
         if (uuid_equal(t, &linuxswap, NULL))
                 return ("Linux swap");
         if (uuid_equal(t, &msr, NULL))
                 return ("Windows reserved");
         if (uuid_equal(t, &hfs, NULL))
                 return ("Apple HFS");
+        if (uuid_equal(t, &chrome_kernel, NULL))
+                return ("Chrome OS kernel");
+        if (uuid_equal(t, &chrome_rootfs, NULL))
+                return ("Chrome OS rootfs");
+        if (uuid_equal(t, &chrome_future, NULL))
+                return ("Chrome OS reserved");
 
 unfriendly:
         uuid_to_string(t, &s, NULL);
         strlcpy(buf, s, sizeof buf);
         free(s);
         return (buf);
 }
 
 static void
 show(int fd __unused)
@@ skipping 121 matching lines @@
                         continue;
                 }
 
                 show(fd);
 
                 gpt_close(fd);
         }
 
         return (0);
 }