:: Re: [DNG] Devuan ASCII point releas…
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著者: fsmithred
日付:  
To: dng
題目: Re: [DNG] Devuan ASCII point release
On 10/26/19 1:49 AM, Pontus Goffe via Dng wrote:
> Hi,
>
> On 2019-10-26 02:27, s@po wrote:
>> You see here the '2.0' String, and it comes from the funtion
>> guess_release_from_apt().. like you can see above..
>> The guess_release_from_apt() function:
>>      228 def guess_release_from_apt(origin='Devuan', component='main',
>>      229                            ignoresuites=('experimental'),
>>      230                            label='Devuan',
>>      231                            alternate_olabels={'Devuan
>> Ports':'packages.devuan.org'}):
>>      232     releases = parse_apt_policy()
>>      233
>>      234     if not releases:
>>      235         return None
>>      236
>>      237     # We only care about the specified origin, component, and
>> label
>>      238     releases = [x for x in releases if (
>>      239         x[1].get('origin', '') == origin and
>>      240         x[1].get('component', '') == component and
>>      241         x[1].get('label', '') == label) or (
>>      242         x[1].get('origin', '') in alternate_olabels and
>>      243         x[1].get('label', '') ==
>> alternate_olabels.get(x[1].get('origin', '')))]
>>      244
>>      245     # Check again to make sure we didn't wipe out all of the
>> releases
>>      246     if not releases:
>>      247         return None
>>      248
>>      249     releases.sort(key=lambda tuple: tuple[0],reverse=True)
>>      250
>>      251     # We've sorted the list by descending priority, so the
>> first entry should
>>      252     # be the "main" release in use on the system
>>      253
>>      254     max_priority = releases[0][0]
>>      255     releases = [x for x in releases if x[0] == max_priority]
>>      256     releases.sort(key=release_index)
>>      257
>>      258     return releases[0][1]
>>
>> I am afraid that this info, you already know..
>> I am not a python guy( I love the Lua simplicity way :) ), I can't
>> help.. :(
>>
>> Best Regards,
>> tux
>
> Who is a python guy?
>
> parse_apt_policy executes 'apt-cache policy' and parses
> (parse_policy_line) the output for lines beginning with release matching
> o=Devuan and c=main
>
> longnames = {'v' : 'version', 'o': 'origin', 'a': 'suite', 'c' :
> 'component', 'l': 'label'}
>
> In my case that is
>
>  500 http://se.deb.devuan.org/merged ascii/main amd64 Packages
>      release v=2.0,o=Devuan,a=stable,n=ascii,l=Devuan,c=main,b=amd64
>      origin se.deb.devuan.org
> //PG
>



Where does 'apt-cache policy' get the version number? Oh, maybe it reads
it from the repo. I see that we have:

pkgmaster.devuan.org/merged/dists/1.0
pkgmaster.devuan.org/merged/dists/2.0
pkgmaster.devuan.org/merged/dists/3.0

and debian has:

debian/dists/Debian8.11
debian/dists/Debian9.11
debian/dists/Debian10.1

Maybe those directory names are supposed to be changed when there's a
point release.

fsmithred