Michał Górny avatar Michał Górny committed ed17f20

Refuse to proceed if one of kernels is not writable.

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Files changed (2)


 			print('- %s: %s' % (k.version, ', '.join(reason)))
 		for k, reason in removals:
+			k.check_writable()
+		for k, reason in removals:
 			print('* Removing kernel %s (%s)' % (k.version, ', '.join(reason)))
 			del kernels[k.version]


 from glob import glob
 class PathRef(str):
-	def __init__(self, *args, **kwargs):
+	def __init__(self, path):
+		str.__init__(self, path)
 		self._refs = 0
 	def ref(self):
 		del self.modules
 		del self.build
+	def check_writable(self):
+		for path in (self.vmlinuz, self.systemmap, self.config,
+				self.modules, self.build):
+			if not os.access(path, os.W_OK):
+				raise OSError('%s not writable, refusing to proceed' % path)
 	def __repr__(self):
 		return "Kernel(%s, '%s%s%s%s%s')" % (repr(self.version),
 				'V' if self.vmlinuz else ' ',
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