From: Michael Tremer <michael.tremer@ipfire.org>
Date: Mon, 9 May 2022 16:55:19 +0000 (+0000)
Subject: disk: Use wipefs(8) to remove any previous signatures
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f4370f63d1f40479564d5457859d69c03449bf0c;p=people%2Fms%2Fbricklayer.git

disk: Use wipefs(8) to remove any previous signatures

wipefs(8) is a lot smarter than me trying to erase the first couple of
blocks.

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>
---

diff --git a/src/python/disk.py b/src/python/disk.py
index 0450b4f..916cce3 100644
--- a/src/python/disk.py
+++ b/src/python/disk.py
@@ -387,10 +387,8 @@ class Partition(object):
 		"""
 		log.info("Wiping %s (%s)..." % (self.name, self.path))
 
-		zero = bytearray(1024)
-
-		with open(self.path, "wb") as f:
-			f.write(zero)
+		# Wipes any previous signatures from this disk
+		self.bricklayer.command(["wipefs", "--all", self.path])
 
 	def format(self):
 		"""