From: "Michał Górny" <mgorny@gentoo.org>
To: gentoo-dev@lists.gentoo.org
Subject: Re: [gentoo-dev] [PATCH 1/1] go-module.eclass: introduce new eclass to handle go modules
Date: Mon, 16 Sep 2019 21:19:35 +0200 [thread overview]
Message-ID: <3baec351c4936a5cd745fad5eb9f9312d4480aaa.camel@gentoo.org> (raw)
In-Reply-To: <20190916184646.GC27855@whubbs1.dev.av1.gaikai.org>
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On Mon, 2019-09-16 at 13:46 -0500, William Hubbs wrote:
> On Mon, Sep 16, 2019 at 08:05:50PM +0200, Michał Górny wrote:
> > On Mon, 2019-09-16 at 09:17 -0500, William Hubbs wrote:
> > > Signed-off-by: William Hubbs <williamh@gentoo.org>
> > > ---
> > > eclass/go-module.eclass | 117 ++++++++++++++++++++++++++++++++++++++++
> > > 1 file changed, 117 insertions(+)
> > > create mode 100644 eclass/go-module.eclass
> > >
> > > diff --git a/eclass/go-module.eclass b/eclass/go-module.eclass
> > > new file mode 100644
> > > index 00000000000..7e16ec4e95c
> > > --- /dev/null
> > > +++ b/eclass/go-module.eclass
> > > @@ -0,0 +1,117 @@
> > > +# Copyright 2019 gentoo authors
> > > +# Distributed under the terms of the GNU General Public License v2
> > > +
> > > +# @ECLASS: go-module.eclass
> > > +# @MAINTAINER:
> > > +# William Hubbs <williamh@gentoo.org>
> > > +# @SUPPORTED_EAPIS: 7
> > > +# @BLURB: basic eclass for building software written in the go
> > > +# programming language that uses go modules.
> > > +# @DESCRIPTION:
> > > +# This eclass provides some basic things needed by all software
> > > +# written in the go programming language that uses go modules.
> > > +#
> > > +# You will know the software you are packaging uses modules because
> > > +# it will have files named go.sum and go.mod in its top-level source
> > > +# directory. If it does not have these files, use the golang-* eclasses.
> >
> > Please add a big fat warning around here somewhere that people need to
> > look through LICENSE files in all vendored modules, and list them
> > in LICENSE. They also need to watch out for license conflicts.
> >
> > > +#
> > > +# If the software you are packaging uses modules, the next question is
> > > +# whether it has a directory named "vendor" at the top-level of the source tree.
> > > +#
> > > +# If it doesn't, you need to create a tarball of what would be in the
> > > +# vendor directory and mirror it locally.
> > > +# If foo-1.0 is the name of your project and you have the tarball for it
> > > +# in your current directory, this is done with the following commands:
> > > +#
> > > +# @CODE:
> > > +#
> > > +# tar -xf foo-1.0.tar.gz
> > > +# cd foo-1.0
> > > +# go mod vendor
> > > +# cd ..
> > > +# tar -acf foo-1.0-vendor.tar.gz foo-1.0/vendor
> > > +#
> > > +# @CODE:
> > > +
> > > +# If we uncomment src_prepare below, the last two lines in the above
> > > +# code block are reduced to one:
> > > +#
> > > +# @CODE:
> > > +#
> > > +# tar -acf foo-1.0-vendor.tar.gz vendor
> > > +#
> > > +# @CODE:
> > > +
> > > +case ${EAPI:-0} in
> > > + 7) ;;
> > > + *) die "${ECLASS} API in EAPI ${EAPI} not yet established."
> > > +esac
> > > +
> > > +if [[ -z ${_GO_MODULE} ]]; then
> > > +
> > > +_GO_MODULE=1
> > > +
> > > +BDEPEND=">=dev-lang/go-1.12"
> > > +
> > > +# The following go flags should be used for all go builds.
> > > +# -mod=vendor stopps downloading of dependencies from the internet.
> > > +# -v prints the names of packages as they are compiled
> > > +# -x prints commands as they are executed
> > > +export GOFLAGS="-mod=vendor -v -x"
> > > +
> > > +# Do not complain about CFLAGS etc since go projects do not use them.
> > > +QA_FLAGS_IGNORED='.*'
> > > +
> > > +# Go packages should not be stripped with strip(1).
> > > +RESTRICT="strip"
> > > +
> > > +# EXPORT_FUNCTIONS src_prepare pkg_postinst
> > > + EXPORT_FUNCTIONS pkg_postinst
> > > +
> > > +# @FUNCTION: go-module_src_prepare
> > > +# @DESCRIPTION:
> > > +# Run a default src_prepare then move our provided vendor directory to
> > > +# the appropriate spot if upstream doesn't provide a vendor directory.
> > > +#
> > > +# This is commented out because I want to see where the discussion on
> > > +# the ml leads.
> > > +# Commenting it out and following the above instructions means that you
> > > +# are forced to manually re-tar the vendored dependencies for every
> > > +# version bump.
> > > +# Using the previous method, it would be possible to decide if you need
> > > +# to do this by comparing the contents of go.mod in the previous and new
> > > +# version.
> > > +# Also, note that we can generate a qa warning if a maintainer forgets
> > > +# to drop the vendor tarball and upstream starts vendoring.
> > > +# go-module_src_prepare() {
> > > +# default
> > > +# # If upstream vendors the dependencies and we provide a vendor
> > > +# # tarball, generate a qa warning.
> > > +# if [[ -d vendor ]] && [[ -d ../vendor ]] ; then
> > > +# eqawarn "This package's upstream source includes a vendor
> > > +# eqawarn "directory and the maintainer provides a vendor tarball."
> > > +# eqawarn "Please report this on https://bugs.gentoo.org"
> >
> > Why aren't you making it fatal?
>
> I didn't make it fatal because it doesn't break the build. The build
> will ignore the ../vendor directory from the tarball since it is not
> under ${S}. Do you want it to be fatal?
>
Yes, it's ebuild author's mistake and there is no point why such mistake
should be committed.
--
Best regards,
Michał Górny
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next prev parent reply other threads:[~2019-09-16 19:19 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-09-16 14:17 [gentoo-dev] [PATCH 0/1] introduce new eclass to handle go modules (round 3) William Hubbs
2019-09-16 14:17 ` [gentoo-dev] [PATCH 1/1] go-module.eclass: introduce new eclass to handle go modules William Hubbs
2019-09-16 17:40 ` William Hubbs
2019-09-16 17:48 ` Zac Medico
2019-09-16 18:26 ` William Hubbs
2019-09-16 19:50 ` Zac Medico
2019-09-16 18:01 ` Zac Medico
2019-09-16 18:35 ` William Hubbs
2019-09-16 18:50 ` Zac Medico
2019-09-16 22:00 ` William Hubbs
2019-09-17 5:36 ` Michał Górny
2019-09-17 14:10 ` William Hubbs
2019-09-17 17:40 ` Zac Medico
2019-09-16 18:05 ` Michał Górny
2019-09-16 18:46 ` William Hubbs
2019-09-16 19:19 ` Michał Górny [this message]
2019-09-18 17:49 ` Michael Orlitzky
2019-09-18 18:04 ` Alec Warner
2019-09-18 19:15 ` Michael Orlitzky
2019-09-18 19:33 ` Alec Warner
2019-09-19 1:09 ` Michael Orlitzky
2019-09-18 19:28 ` Zac Medico
2019-09-18 21:11 ` William Hubbs
-- strict thread matches above, loose matches on Subject: below --
2019-09-18 20:26 [gentoo-dev] [PATCH 0/1] introduce an eclass to handle go modules (round 5) William Hubbs
2019-09-18 20:26 ` [gentoo-dev] [PATCH 1/1] go-module.eclass: introduce new eclass to handle go modules William Hubbs
2019-09-18 20:29 ` Michał Górny
2019-09-18 21:28 ` William Hubbs
2019-09-19 1:02 ` Michael Orlitzky
2019-09-16 22:47 [gentoo-dev] [PATCH 0/1] introduce new eclass to handle go modules (round 4) William Hubbs
2019-09-16 22:47 ` [gentoo-dev] [PATCH 1/1] go-module.eclass: introduce new eclass to handle go modules William Hubbs
2019-09-13 15:49 [gentoo-dev] [PATCH 0/1] Introduce new eclass to handle go modules (round 2) William Hubbs
2019-09-13 15:49 ` [gentoo-dev] [PATCH 1/1] go-module.eclass: introduce new eclass to handle go modules William Hubbs
2019-09-13 15:58 ` William Hubbs
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