Gentoo Archives: gentoo-council

From: Roy Bamford <neddyseagoon@g.o>
To: gentoo-council@l.g.o
Subject: Re: [gentoo-council] Comparison of GLEP 54 and 'live ebuild' proposal
Date: Mon, 09 Mar 2009 23:29:36
Message-Id: 1236641374.19203.0@spike
In Reply to: [gentoo-council] Comparison of GLEP 54 and 'live ebuild' proposal by Thomas Anderson
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4 On 2009.03.09 22:47, Thomas Anderson wrote:
5 > Hi,
6 >
7 > Attached is my comparison of the two proposals for live sources.
8 > Sorry about getting it out late, I had to get ahold of a number
9 > of
10 > people to finish writing it up.
11 >
12 > Cheers,
13 > Thomas
14 > --
15 > ---------
16 > Thomas Anderson
17 > Gentoo Developer
18 > /////////
19 > Areas of responsibility:
20 > AMD64, Secretary to the Gentoo Council
21 > ---------
22 >
23 >
24
25 - ------quoted attachment "glep54comp.txt"------
26 [snip]
27 >
28 > One important issue is what happens in the following
29 > scenario:
30 > 1) world update starts at 20090301@2200hrs.
31 > 2) this particular update involves 100 packages so it takes
32 > quite
33 > along time
34 > 3) The _live package is not reached until 20090302 at 1AM.
35 >
36 > Is the package installed as 20090301 or 20090302?
37 >
38 [snip]
39
40 >
41 Thomas,
42
43 Live has to expand to the date when the sources were fetched, otherwise
44 its not 'live' by definition.
45 As an illustration, I install KDE 4.2 on my 25MHz 486DX with 64Mb RAM.
46 During the time it takes to build, 'live' is likely to have changed
47 several times.
48
49 How do you handle prefetching of sources, or do you forbid
50 prefetching ?
51 Live infers you fetch the sources at the time you need to build them
52 and do the live expansion at that time. Without that you don't know how
53 old your live version is.
54
55 live can change several times a day. With only one day resolution, how
56 do you handle that?
57
58 - --
59 Regards,
60
61 Roy Bamford
62 (NeddySeagoon) a member of
63 gentoo-ops
64 forum-mods
65 treecleaners
66 trustees
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