Re: GPT writing of unknown partition uuids

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On Tue, 14 Jul 2015, Dale R. Worley wrote:

> Scott Moser <smoser@xxxxxxxxxx> writes:
> > If sfdisk does not know the uuid provided, it silently falls back to
> > 0FC63DAF-8483-4772-8E79-3D69D8477DE4 (Linux filesystem).
> >
> > It seems like if the user provided you with a GUID, sfdisk should trust
> > them, or at very least exit failure if it refuses to use the provided
> > GUID.
>
> Ugh, you're right!  Silent disobedience is pernicious.

My hack / "will this work" to fdisk_label_parse_parttype seemed to get a
functional fdisk_new_unknown_parttype that would be used.

diff --git a/libfdisk/src/parttype.c b/libfdisk/src/parttype.c
index aedf4e8..bda850a 100644
--- a/libfdisk/src/parttype.c
+++ b/libfdisk/src/parttype.c
@@ -335,6 +335,7 @@ struct fdisk_parttype *fdisk_label_parse_parttype(
 		if (ret)
 			goto done;

+		typestr = str;
 		/* maybe specified by order number */
 		errno = 0;
 		i = strtol(str, &end, 0);
@@ -347,7 +348,7 @@ struct fdisk_parttype *fdisk_label_parse_parttype(

 	ret = fdisk_new_unknown_parttype(code, typestr);
 done:
-	DBG(PARTTYPE, ul_debugobj(ret, "returns parsed '%s' partition type", ret->name));
+	DBG(PARTTYPE, ul_debugobj(ret, "returns parsed '%s' partition type (%s)", ret->name, ret->typestr));
 	return ret;
 }

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