Date: Thu, 6 May 2004 11:18:53 -0500 From: "Jacques A. Vidrine" <nectar@FreeBSD.org> To: freebsd-vuxml@freebsd.org Subject: Adding `branches' to VuXML Message-ID: <20040506161853.GA649@lum.celabo.org>
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Hi All,
Robert Nagy of OpenBSD requested the addition of `branches' to
VuXML. I expected that he would be posting a proposal here, but since I
haven't seen it I'll give it a shot on my own.
In FreeBSD, we do not branch the Ports Collection like we do the base
system. However, it seems that OpenBSD's Ports & Packages Collection
*does* use branches. Thus, it is possible for a security issue to
affect foo-1.1 in branch BRANCH_X, but not foo-1.1 in BRANCH_Y.
Currently, it is not possible to express this in VuXML, short of
maintaining separate VuXML files for each branch (e.g. branching the
VuXML file, also).
So, here is a suggested extension by example.
The <package> element in VuXML 1.1 has two child elements, <name> and
<range>. These behave as a kind of cross-product: it expresses that
the affected packages are all of those combinations of name and range.
e.g.
<package>
<name>foo</name>
<name>bar</name>
<range><ge>2.0</ge><lt>2.2</lt></range>
<range><lt>1.5</lt></range>
</package>
expresses that these ranges are affected:
foo < 1.5
2.0 <= foo < 2.2
bar < 1.5
2.0 <= bar < 2.2
(Note also that there can be multiple <package> elements for an issue.)
So one possibility would be to add a <branch> child element:
<!-- foo-1.1 and earlier on BRANCH_X and BRANCH_Y are
affected. BRANCH_Z and others are not affected. --->
<package>
<branch>BRANCH_X</branch>
<branch>BRANCH_Y</branch>
<name>foo</name>
<range><le>foo-1.1</le></range>
<package>
The content model for <package> and <system> are the same. I wonder if
the optional presence of the <branch> child element for <system> will
cause any confusion? Right now, for issues that affect the FreeBSD base
system, we just use version numbers without reference to the branch.
e.g.
<system>
<name>FreeBSD</name>
<range><ge>5.0</ge><lt>5.2_6</lt></range>
<range><ge>4.9</ge><lt>4.9_6</lt></range>
<range><ge>4.0</ge><lt>4.8_19</lt></range>
</system>
Anyway ... comments?
--
Jacques Vidrine / nectar@celabo.org / jvidrine@verio.net / nectar@freebsd.org
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