Stuart Prescott <[email protected]> writes: > On Wednesday 16 June 2010 19:07:33 Russ Allbery wrote:
>> + Normally, <tt>Breaks</tt> should be used in conjunction >> + with <tt>Replaces</tt>.<footnote> >> + To see why <tt>Breaks</tt> is required in addition >> + to <tt>Provides</tt>, consider the > ^^^^^^^^^ >> + case of a file in the package <package>foo</package> being >> + taken over by the package <package>foo-data</package>. >> + <tt>Replaces</tt> will allow <package>foo-data</package> to >> + be installed and take over that file. However, >> + without <tt>Breaks</tt>, nothing >> + requires <package>foo</package> to be upgraded to a newer >> + version that knows it does not include that file and instead >> + depends on <package>foo-data</package>. Nothing would >> + prevent the new <package>foo-data</package> package from >> + being installed and then removed, removing the file that it >> + took over from <package>foo</package>. After that >> + operation, the package manager would think the system was in >> + a consistent state, but the <package>foo</package> package >> + would be missing one of its files. >> + </footnote> > Shouldn't this "Provides" be "Replaces"? Good catch, fixed. -- Russ Allbery ([email protected]) <http://www.eyrie.org/~eagle/> -- To UNSUBSCRIBE, email to [email protected] with a subject of "unsubscribe". Trouble? Contact [email protected]
