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On Sun, 2018-08-26 at 00:58 -0700, Zac Medico wrote: |
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> On 08/26/2018 12:39 AM, Michał Górny wrote: |
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> > On Sun, 2018-08-26 at 00:28 -0700, Zac Medico wrote: |
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> > > On 08/25/2018 07:11 PM, Andrew Savchenko wrote: |
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> > > > On Sat, 25 Aug 2018 14:24:02 -0400 Mike Gilbert wrote: |
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> > > > > On Sat, Aug 25, 2018 at 1:41 AM Andrew Savchenko <bircoph@g.o> wrote: |
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> > > > > > |
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> > > > > > On Fri, 24 Aug 2018 14:24:06 -0400 Mike Gilbert wrote: |
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> > > > > > > --- |
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> > > > > > > general-concepts/dependencies/text.xml | 38 ++++++++++++++++++++++++++ |
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> > > > > > > 1 file changed, 38 insertions(+) |
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> > > > > > > |
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> > > > > > > diff --git a/general-concepts/dependencies/text.xml b/general-concepts/dependencies/text.xml |
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> > > > > > > index 2f10380..64be9dc 100644 |
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> > > > > > > --- a/general-concepts/dependencies/text.xml |
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> > > > > > > +++ b/general-concepts/dependencies/text.xml |
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> > > > > > > @@ -578,6 +578,44 @@ valid. |
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> > > > > > > </body> |
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> > > > > > > </section> |
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> > > > > > > |
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> > > > > > > +<section> |
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> > > > > > > +<title>Test Dependencies</title> |
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> > > > > > > +<body> |
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> > > > > > > + |
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> > > > > > > +<p> |
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> > > > > > > +Packages often have optional dependencies that are needed only when running |
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> > > > > > > +tests. These should be specified in DEPEND behind a USE flag. Often, the |
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> > > > > > > +'test' USE flag is used for this purpose. |
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> > > > > > > +</p> |
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> > > > > > > + |
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> > > > > > > +<p> |
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> > > > > > > +Since testing will likely fail when test dependencies are not installed, the |
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> > > > > > > +test phase should be disabled in this case. This may be accomplished via USE |
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> > > > > > > +conditionals in the RESTRICT variable. |
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> > > > > > > +</p> |
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> > > > > > > + |
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> > > > > > > +<p> |
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> > > > > > > +If other optional features must be enabled/disabled when testing, REQUIRED_USE |
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> > > > > > > +may be set to express this. |
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> > > > > > > +</p> |
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> > > > > > > + |
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> > > > > > > +<codesample lang="ebuild"> |
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> > > > > > > +# Define some USE flags |
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> > > > > > > +IUSE="debug test" |
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> > > > > > > + |
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> > > > > > > +# Disable test phase when test USE flag is disabled |
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> > > > > > > +RESTRICT="!test? ( test )" |
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> > > > > > |
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> > > > > > I do not understand why we need this useless code. If test USE flag |
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> > > > > > is disabled, tests must be disabled as well. It is PM's job and |
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> > > > > > there is no need to put this obvious stuff into each ebuild with |
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> > > > > > tests and extra deps. I see no reason to support running src_test() |
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> > > > > > with USE="-test". |
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> > > > > |
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> > > > > PMS does not specify that behavior (skipping src_test with USE=-test). |
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> > > > > It is better to define the requrement explicitly rather than relying |
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> > > > > on a Portage-specific behavior. |
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> > > > |
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> > > > Then PMS should be fixed. Putting useless code in thousands |
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> > > > of ebuilds due to bureaucratic reasons is ridiculous. Having strict |
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> > > > conformance to the PMS is good, but common sense should still be |
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> > > > considered. |
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> > > |
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> > > Since PMS doesn't specify the behavior of FEATURES, I suppose we could |
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> > > make FEATURES=test imply RESTRICT="!test? ( test )". Would there be any |
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> > > drawbacks to that? |
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> > |
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> > Except for Portage once again silently letting developers pass with non- |
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> > PMS behavior, and making other PMs fail with the ebuilds? |
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> |
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> Is it really sane for other PMs to behave that way though? |
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> |
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> In PMS it says src_test "may be disabled by user too, using a |
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> PM-specific mechanism", which doesn't explicitly rule out behavior based |
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> on USE settings. |
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|
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It doesn't rule out disabling based on the phase of the moon either, or |
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my mood which is degrading badly with this discussion. |
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|
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-- |
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Best regards, |
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Michał Górny |