GNU logs - #34651, boring messages

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Subject: bug#34651: guix commands should print a message, if they produce only trivial output by default
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I noticed that if you call "guix COMMAND" for some COMMANDs without any
options given, they produce something which is not very useful to the
user. I first noticed it with guix pack:

When "guix pack" is run without any options, it builds an empty pack:

$ guix pack
/gnu/store/2ys9fn6h95209piqhyxli5pf2c4mp7zp-tarball-pack.tar.gz
$ tar tzvf /gnu/store/2ys9fn6h95209piqhyxli5pf2c4mp7zp-tarball-pack.tar.gz
drwxrwxr-t root/root         0 1970-01-01 01:00 ./gnu/store/
dr-xr-xr-x root/root         0 1970-01-01 01:00 ./gnu/store/w659mjmzwyhv62s=
d35y2pv5nrg5xkl7j-profile/
dr-xr-xr-x root/root         0 1970-01-01 01:00 ./gnu/store/w659mjmzwyhv62s=
d35y2pv5nrg5xkl7j-profile/etc/
-r--r--r-- root/root       414 1970-01-01 01:00 ./gnu/store/w659mjmzwyhv62s=
d35y2pv5nrg5xkl7j-profile/etc/profile
-r--r--r-- root/root        37 1970-01-01 01:00 ./gnu/store/w659mjmzwyhv62s=
d35y2pv5nrg5xkl7j-profile/manifest

I think from a user perspective it would be better to print a help
message and not build an empty pack.

On the other hand, I tried out other guix commands and at least it is a
consistent behaviour, they start with the default values, like "guix
graph" outputs just an empty graph.

"guix system" complains it needs a subcommand, which is a different
case.

But then again we have this complaint:

guix system container
guix system: error: wrong number of arguments for action 'container'

WDYT?

Bj=C3=B6rn

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From: help-debbugs@HIDDEN (GNU bug Tracking System)
To: =?UTF-8?Q?Bj=C3=B6rn_?= =?UTF-8?Q?H=C3=B6fling?=
 <bjoern.hoefling@HIDDEN>
Subject: bug#34651: Acknowledgement (guix commands should print a message,
 if they produce only trivial output by default)
Message-ID: <handler.34651.B.155111192925103.ack <at> debbugs.gnu.org>
References: <20190225172456.242b2df0@alma-ubu>
X-Gnu-PR-Message: ack 34651
X-Gnu-PR-Package: guix
Reply-To: 34651 <at> debbugs.gnu.org
Date: Mon, 25 Feb 2019 16:26:01 +0000

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Message sent to bug-guix@HIDDEN:

Subject: bug#34651: guix commands should print a message, if they produce only trivial output by default
Resent-From: swedebugia <swedebugia@HIDDEN>
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To: 34651 <at> debbugs.gnu.org, bjoern.hoefling@HIDDEN
Date: Fri, 01 Mar 2019 18:29:04 +0100
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"Bj=C3=B6rn H=C3=B6fling" <bjoern=2Ehoefling@bjoernhoefling=2Ede> skrev: (2=
5 februari 2019 17:24:56 CET)
>I noticed that if you call "guix COMMAND" for some COMMANDs without any
>options given, they produce something which is not very useful to the
>user=2E I first noticed it with guix pack:
>
>When "guix pack" is run without any options, it builds an empty pack:
>
>$ guix pack
>/gnu/store/2ys9fn6h95209piqhyxli5pf2c4mp7zp-tarball-pack=2Etar=2Egz
>$ tar tzvf
>/gnu/store/2ys9fn6h95209piqhyxli5pf2c4mp7zp-tarball-pack=2Etar=2Egz
>drwxrwxr-t root/root         0 1970-01-01 01:00 =2E/gnu/store/
>dr-xr-xr-x root/root         0 1970-01-01 01:00
>=2E/gnu/store/w659mjmzwyhv62sd35y2pv5nrg5xkl7j-profile/
>dr-xr-xr-x root/root         0 1970-01-01 01:00
>=2E/gnu/store/w659mjmzwyhv62sd35y2pv5nrg5xkl7j-profile/etc/
>-r--r--r-- root/root       414 1970-01-01 01:00
>=2E/gnu/store/w659mjmzwyhv62sd35y2pv5nrg5xkl7j-profile/etc/profile
>-r--r--r-- root/root        37 1970-01-01 01:00
>=2E/gnu/store/w659mjmzwyhv62sd35y2pv5nrg5xkl7j-profile/manifest
>
>I think from a user perspective it would be better to print a help
>message and not build an empty pack=2E
>
>On the other hand, I tried out other guix commands and at least it is a
>consistent behaviour, they start with the default values, like "guix
>graph" outputs just an empty graph=2E
>
>"guix system" complains it needs a subcommand, which is a different
>case=2E
>
>But then again we have this complaint:
>
>guix system container
>guix system: error: wrong number of arguments for action 'container'
>
>WDYT?
>
>Bj=C3=B6rn

I think we should print helpful hints or the contents of --help in these s=
ituations=2E=20
--=20
Sent from my k-9 mail for Android=2E

------ZPFQY1AO5PKPM1QM8546CG2NSV8LSZ
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<html><head></head><body><div class=3D"gmail_quote">"Bj=C3=B6rn H=C3=B6flin=
g" &lt;bjoern=2Ehoefling@bjoernhoefling=2Ede&gt; skrev: (25 februari 2019 1=
7:24:56 CET)<blockquote class=3D"gmail_quote" style=3D"margin: 0pt 0pt 0pt =
0=2E8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
<pre class=3D"k9mail">I noticed that if you call "guix COMMAND" for some C=
OMMANDs without any<br>options given, they produce something which is not v=
ery useful to the<br>user=2E I first noticed it with guix pack:<br><br>When=
 "guix pack" is run without any options, it builds an empty pack:<br><br>$ =
guix pack<br>/gnu/store/2ys9fn6h95209piqhyxli5pf2c4mp7zp-tarball-pack=2Etar=
=2Egz<br>$ tar tzvf /gnu/store/2ys9fn6h95209piqhyxli5pf2c4mp7zp-tarball-pac=
k=2Etar=2Egz<br>drwxrwxr-t root/root         0 1970-01-01 01:00 =2E/gnu/sto=
re/<br>dr-xr-xr-x root/root         0 1970-01-01 01:00 =2E/gnu/store/w659mj=
mzwyhv62sd35y2pv5nrg5xkl7j-profile/<br>dr-xr-xr-x root/root         0 1970-=
01-01 01:00 =2E/gnu/store/w659mjmzwyhv62sd35y2pv5nrg5xkl7j-profile/etc/<br>=
-r--r--r-- root/root       414 1970-01-01 01:00 =2E/gnu/store/w659mjmzwyhv6=
2sd35y2pv5nrg5xkl7j-profile/etc/profile<br>-r--r--r-- root/root        37 1=
970-01-01 01:00 =2E/gnu/store/w659mjmzwyhv62sd35y2pv5nrg5xkl7j-profile/mani=
fest<br><br>I think from a user perspective it would be better to print a h=
elp<br>message and not build an empty pack=2E<br><br>On the other hand, I t=
ried out other guix commands and at least it is a<br>consistent behaviour, =
they start with the default values, like "guix<br>graph" outputs just an em=
pty graph=2E<br><br>"guix system" complains it needs a subcommand, which is=
 a different<br>case=2E<br><br>But then again we have this complaint:<br><b=
r>guix system container<br>guix system: error: wrong number of arguments fo=
r action 'container'<br><br>WDYT?<br><br>Bj=C3=B6rn<br></pre></blockquote><=
/div><br clear=3D"all">I think we should print helpful hints or the content=
s of --help in these situations=2E <br>-- <br>Sent from my k-9 mail for And=
roid=2E<br></body></html>
------ZPFQY1AO5PKPM1QM8546CG2NSV8LSZ--

Message sent to bug-guix@HIDDEN:

Subject: bug#34651: guix commands should print a message, if they produce only trivial output by default
Resent-From: swedebugia <swedebugia@HIDDEN>
Original-Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org>
Resent-CC: bug-guix@HIDDEN
Resent-Date: Fri, 01 Mar 2019 17:30:02 +0000
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To: 34651 <at> debbugs.gnu.org, bjoern.hoefling@HIDDEN
Date: Fri, 01 Mar 2019 18:29:04 +0100
In-Reply-To: <20190225172456.242b2df0@alma-ubu>
References: <20190225172456.242b2df0@alma-ubu>
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"Bj=C3=B6rn H=C3=B6fling" <bjoern=2Ehoefling@bjoernhoefling=2Ede> skrev: (2=
5 februari 2019 17:24:56 CET)
>I noticed that if you call "guix COMMAND" for some COMMANDs without any
>options given, they produce something which is not very useful to the
>user=2E I first noticed it with guix pack:
>
>When "guix pack" is run without any options, it builds an empty pack:
>
>$ guix pack
>/gnu/store/2ys9fn6h95209piqhyxli5pf2c4mp7zp-tarball-pack=2Etar=2Egz
>$ tar tzvf
>/gnu/store/2ys9fn6h95209piqhyxli5pf2c4mp7zp-tarball-pack=2Etar=2Egz
>drwxrwxr-t root/root         0 1970-01-01 01:00 =2E/gnu/store/
>dr-xr-xr-x root/root         0 1970-01-01 01:00
>=2E/gnu/store/w659mjmzwyhv62sd35y2pv5nrg5xkl7j-profile/
>dr-xr-xr-x root/root         0 1970-01-01 01:00
>=2E/gnu/store/w659mjmzwyhv62sd35y2pv5nrg5xkl7j-profile/etc/
>-r--r--r-- root/root       414 1970-01-01 01:00
>=2E/gnu/store/w659mjmzwyhv62sd35y2pv5nrg5xkl7j-profile/etc/profile
>-r--r--r-- root/root        37 1970-01-01 01:00
>=2E/gnu/store/w659mjmzwyhv62sd35y2pv5nrg5xkl7j-profile/manifest
>
>I think from a user perspective it would be better to print a help
>message and not build an empty pack=2E
>
>On the other hand, I tried out other guix commands and at least it is a
>consistent behaviour, they start with the default values, like "guix
>graph" outputs just an empty graph=2E
>
>"guix system" complains it needs a subcommand, which is a different
>case=2E
>
>But then again we have this complaint:
>
>guix system container
>guix system: error: wrong number of arguments for action 'container'
>
>WDYT?
>
>Bj=C3=B6rn

I think we should print helpful hints or the contents of --help in these s=
ituations=2E=20
--=20
Sent from my k-9 mail for Android=2E

------ZPFQY1AO5PKPM1QM8546CG2NSV8LSZ
Content-Type: text/html;
 charset=utf-8
Content-Transfer-Encoding: quoted-printable

<html><head></head><body><div class=3D"gmail_quote">"Bj=C3=B6rn H=C3=B6flin=
g" &lt;bjoern=2Ehoefling@bjoernhoefling=2Ede&gt; skrev: (25 februari 2019 1=
7:24:56 CET)<blockquote class=3D"gmail_quote" style=3D"margin: 0pt 0pt 0pt =
0=2E8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
<pre class=3D"k9mail">I noticed that if you call "guix COMMAND" for some C=
OMMANDs without any<br>options given, they produce something which is not v=
ery useful to the<br>user=2E I first noticed it with guix pack:<br><br>When=
 "guix pack" is run without any options, it builds an empty pack:<br><br>$ =
guix pack<br>/gnu/store/2ys9fn6h95209piqhyxli5pf2c4mp7zp-tarball-pack=2Etar=
=2Egz<br>$ tar tzvf /gnu/store/2ys9fn6h95209piqhyxli5pf2c4mp7zp-tarball-pac=
k=2Etar=2Egz<br>drwxrwxr-t root/root         0 1970-01-01 01:00 =2E/gnu/sto=
re/<br>dr-xr-xr-x root/root         0 1970-01-01 01:00 =2E/gnu/store/w659mj=
mzwyhv62sd35y2pv5nrg5xkl7j-profile/<br>dr-xr-xr-x root/root         0 1970-=
01-01 01:00 =2E/gnu/store/w659mjmzwyhv62sd35y2pv5nrg5xkl7j-profile/etc/<br>=
-r--r--r-- root/root       414 1970-01-01 01:00 =2E/gnu/store/w659mjmzwyhv6=
2sd35y2pv5nrg5xkl7j-profile/etc/profile<br>-r--r--r-- root/root        37 1=
970-01-01 01:00 =2E/gnu/store/w659mjmzwyhv62sd35y2pv5nrg5xkl7j-profile/mani=
fest<br><br>I think from a user perspective it would be better to print a h=
elp<br>message and not build an empty pack=2E<br><br>On the other hand, I t=
ried out other guix commands and at least it is a<br>consistent behaviour, =
they start with the default values, like "guix<br>graph" outputs just an em=
pty graph=2E<br><br>"guix system" complains it needs a subcommand, which is=
 a different<br>case=2E<br><br>But then again we have this complaint:<br><b=
r>guix system container<br>guix system: error: wrong number of arguments fo=
r action 'container'<br><br>WDYT?<br><br>Bj=C3=B6rn<br></pre></blockquote><=
/div><br clear=3D"all">I think we should print helpful hints or the content=
s of --help in these situations=2E <br>-- <br>Sent from my k-9 mail for And=
roid=2E<br></body></html>
------ZPFQY1AO5PKPM1QM8546CG2NSV8LSZ--

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