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[OUTREACHY] toward a proposal?
From: |
zimoun |
Subject: |
[OUTREACHY] toward a proposal? |
Date: |
Sat, 12 Sep 2020 16:00:20 +0200 |
Dear,
The command “guix time-machine” is really cool but today it is not easy
to find the commit corresponding to one specific version. For example,
try to install the version 1.6.8 of the package ’msmtp’.
A concrete example is described here [1]. And when reproducing
scientific papers, the versions are not always provided but instead the
dates are. How to install the same ’msmtp’ as in 2018-12-08?
The Guix Data Service helps for such situation:
https://data.guix.gnu.org/repository/1/branch/master/package/msmtp/output-history
but its database starts on 2019-01-01 (if I have correct). It is an
external service and will never collect data from all specifics channels
(guix-past, your-name-it, etc.). Well, it is a good complement and all
the JSON files are under used, for example, to know if the package
builds or not. Another story.
Today, the 2 previous use-cases are usually solved by cloning the
repository from Savannah and then by invoking Git commands. It is not
fully satisfactory since this repository is already checked out, by
default:
~/.cache/guix/checkouts/pjmkglp4t7znuugeurpurzikxq3tnlaywmisyr27shj7apsnalwq/
Let this path affected to the environment variable $SRC. Then, to find
the 2 commits, the user can run:
--8<---------------cut here---------------start------------->8---
$ git -C $SRC --date=short --format="%h %cd %s" | grep msmtp
5d2b9b0749 2020-08-26 gnu: msmtp: Update to 1.8.12.
56e1cc0c34 2020-06-10 gnu: msmtp: Update to 1.8.11.
70ebab5aa7 2020-05-09 gnu: msmtp: Update to 1.8.10.
b93b7b2585 2020-03-29 gnu: msmtp: Don't rely on netcat to send
queued messages.
a4fd9423b0 2019-12-30 gnu: msmtp: Update to 1.8.7.
58da4b0a84 2019-10-02 gnu: msmtp: Update to 1.8.6.
214cbec2cf 2019-07-16 gnu: msmtp: Update to 1.8.5.
34e549d813 2019-07-11 gnu: msmtp: Install additional files.
06c86f166d 2019-04-29 gnu: msmtp: Update to 1.8.4.
ce53048fb8 2019-02-14 gnu: msmtp: Update to 1.8.3.
b8c0b9c1a3 2019-01-31 gnu: msmtp: Update to 1.8.2.
1460e77abf 2018-12-10 gnu: msmtp: Update to 1.8.1.
91b3a6d4db 2018-09-09 gnu: msmtp: Remove unneeded input.
37f9cfae43 2018-09-09 gnu: msmtp: Update to 1.8.0.
1a80f1a9e3 2018-07-11 gnu: msmtp: Update to 1.6.8.
899358d18a 2016-12-20 gnu: msmtp: Update to 1.6.6.
d23d1ddf6e 2016-07-21 gnu: msmtp: Update to 1.6.5.
70dced54ed 2016-05-06 gnu: msmtp: Update to 1.6.4.
823e2ed4b3 2016-02-28 gnu: msmtp: Install msmtpq.
72d8b5baf4 2015-12-21 gnu: msmtp: Update to 1.6.3.
4c60ce4a6b 2015-11-06 gnu: msmtp: Update to 1.6.2.
0704788109 2015-03-19 gnu: msmtp: Use mirror:// URI.
d6e941bc95 2014-12-09 gnu: add msmtp
--8<---------------cut here---------------end--------------->8---
The proposal is to implement the same result hiding all the plumbing
details, i.e.,
guix git log --oneline | grep msmtp
Well, naming is hard. :-) Therefore, the subcommand could have another
name (bikeshedding, bikeshedding :-)).
The next steps could be:
- take in account the channels, and maybe sort all the commits by dates
- have an --format option
- have an --grep option
- etc.
depending on the progress of the student. IMHO, there are small
actionable steps that fit how Outreachy program works (at least how I
understand it works).
Does it make sense?
If yes, I volunteer to co-mentor, even if I am not sure to be enough
qualified to do so. BTW, co-mentoring is good.
What do you think?
[1] https://lists.gnu.org/archive/html/help-guix/2019-06/msg00098.html
All the best,
simon
- [OUTREACHY] Call for mentors, Gábor Boskovits, 2020/09/09
- [OUTREACHY] toward a proposal?,
zimoun <=
- Re: [OUTREACHY] toward a proposal?, Gábor Boskovits, 2020/09/12
- Re: [OUTREACHY] toward a proposal?, zimoun, 2020/09/16
- Re: [OUTREACHY] toward a proposal?, Ricardo Wurmus, 2020/09/16
- Re: [OUTREACHY] toward a proposal?, zimoun, 2020/09/16
- Re: [OUTREACHY] toward a proposal?, Ricardo Wurmus, 2020/09/16
- Re: [OUTREACHY] toward a proposal?, zimoun, 2020/09/16
- Re: [OUTREACHY] toward a proposal?, Ricardo Wurmus, 2020/09/16
- Re: [OUTREACHY] toward a proposal?, Gábor Boskovits, 2020/09/17
- Re: [OUTREACHY] toward a proposal?, zimoun, 2020/09/17
- Re: [OUTREACHY] toward a proposal?, Gábor Boskovits, 2020/09/17