mirror of
https://github.com/NixOS/nixpkgs.git
synced 2024-11-27 09:23:01 +00:00
buildGoPackage: updated docs for goPackages after rework in https://github.com/NixOS/nixpkgs/pull/16017
This commit is contained in:
Kamil Chmielewski
parent
bf71761b69
commit
14d49ddc40
@ -5,27 +5,29 @@
|
||||
<title>Go</title>
|
||||
|
||||
<para>The function <varname>buildGoPackage</varname> builds
|
||||
standard Go packages.
|
||||
standard Go programs.
|
||||
</para>
|
||||
|
||||
<example xml:id='ex-buildGoPackage'><title>buildGoPackage</title>
|
||||
<programlisting>
|
||||
net = buildGoPackage rec {
|
||||
name = "go.net-${rev}";
|
||||
goPackagePath = "golang.org/x/net"; <co xml:id='ex-buildGoPackage-1' />
|
||||
subPackages = [ "ipv4" "ipv6" ]; <co xml:id='ex-buildGoPackage-2' />
|
||||
rev = "e0403b4e005";
|
||||
deis = buildGoPackage rec {
|
||||
name = "deis-${version}";
|
||||
version = "1.13.0";
|
||||
|
||||
goPackagePath = "github.com/deis/deis"; <co xml:id='ex-buildGoPackage-1' />
|
||||
subPackages = [ "client" ]; <co xml:id='ex-buildGoPackage-2' />
|
||||
|
||||
src = fetchFromGitHub {
|
||||
inherit rev;
|
||||
owner = "golang";
|
||||
repo = "net";
|
||||
sha256 = "1g7cjzw4g4301a3yqpbk8n1d4s97sfby2aysl275x04g0zh8jxqp";
|
||||
};
|
||||
goPackageAliases = [ "code.google.com/p/go.net" ]; <co xml:id='ex-buildGoPackage-3' />
|
||||
propagatedBuildInputs = [ goPackages.text ]; <co xml:id='ex-buildGoPackage-4' />
|
||||
buildFlags = "--tags release"; <co xml:id='ex-buildGoPackage-5' />
|
||||
disabled = isGo13;<co xml:id='ex-buildGoPackage-6' />
|
||||
owner = "deis";
|
||||
repo = "deis";
|
||||
rev = "v${version}";
|
||||
sha256 = "1qv9lxqx7m18029lj8cw3k7jngvxs4iciwrypdy0gd2nnghc68sw";
|
||||
};
|
||||
|
||||
goDeps = ./deps.json; <co xml:id='ex-buildGoPackage-3' />
|
||||
|
||||
buildFlags = "--tags release"; <co xml:id='ex-buildGoPackage-4' />
|
||||
}
|
||||
</programlisting>
|
||||
</example>
|
||||
|
||||
@ -47,64 +49,94 @@ the following arguments are of special significance to the function:
|
||||
packages will be built.
|
||||
</para>
|
||||
<para>
|
||||
In this example only <literal>code.google.com/p/go.net/ipv4</literal> and
|
||||
<literal>code.google.com/p/go.net/ipv6</literal> will be built.
|
||||
In this example only <literal>github.com/deis/deis/client</literal> will be built.
|
||||
</para>
|
||||
</callout>
|
||||
|
||||
<callout arearefs='ex-buildGoPackage-3'>
|
||||
<para>
|
||||
<varname>goPackageAliases</varname> is a list of alternative import paths
|
||||
that are valid for this library.
|
||||
Packages that depend on this library will automatically rename
|
||||
import paths that match any of the aliases to <literal>goPackagePath</literal>.
|
||||
</para>
|
||||
<para>
|
||||
In this example imports will be renamed from
|
||||
<literal>code.google.com/p/go.net</literal> to
|
||||
<literal>golang.org/x/net</literal> in every package that depend on the
|
||||
<literal>go.net</literal> library.
|
||||
<varname>goDeps</varname> is where the Go dependencies of a Go program are listed
|
||||
in a JSON format described below.
|
||||
</para>
|
||||
</callout>
|
||||
|
||||
<callout arearefs='ex-buildGoPackage-4'>
|
||||
<para>
|
||||
<varname>propagatedBuildInputs</varname> is where the dependencies of a Go library are
|
||||
listed. Only libraries should list <varname>propagatedBuildInputs</varname>. If a standalone
|
||||
program is being built instead, use <varname>buildInputs</varname>. If a library's tests require
|
||||
additional dependencies that are not propagated, they should be listed in <varname>buildInputs</varname>.
|
||||
</para>
|
||||
</callout>
|
||||
|
||||
<callout arearefs='ex-buildGoPackage-5'>
|
||||
<para>
|
||||
<varname>buildFlags</varname> is a list of flags passed to the go build command.
|
||||
</para>
|
||||
</callout>
|
||||
|
||||
<callout arearefs='ex-buildGoPackage-6'>
|
||||
<para>
|
||||
If <varname>disabled</varname> is <literal>true</literal>,
|
||||
nix will refuse to build this package.
|
||||
</para>
|
||||
<para>
|
||||
In this example the package will not be built for go 1.3. The <literal>isGo13</literal>
|
||||
is an utility function that returns <literal>true</literal> if go used to build the
|
||||
package has version 1.3.x.
|
||||
</para>
|
||||
</callout>
|
||||
|
||||
</calloutlist>
|
||||
|
||||
</para>
|
||||
|
||||
<para>
|
||||
Reusable Go libraries may be found in the <varname>goPackages</varname> set. You can test
|
||||
build a Go package as follows:
|
||||
<para>The <varname>goDeps</varname> attribute should point to a JSON file that defines which Go libraries
|
||||
are needed and should be included in <varname>GOPATH</varname> for <varname>buildPhase</varname>.
|
||||
|
||||
<screen>
|
||||
$ nix-build -A goPackages.net
|
||||
</screen>
|
||||
</para>
|
||||
|
||||
<example xml:id='ex-goDeps'><title>deps.json</title>
|
||||
<programlisting>
|
||||
[ <co xml:id='ex-goDeps-1' />
|
||||
{
|
||||
"goPackagePath": "gopkg.in/yaml.v2", <co xml:id='ex-goDeps-2' />
|
||||
"fetch": {
|
||||
"type": "git", <co xml:id='ex-goDeps-3' />
|
||||
"url": "https://gopkg.in/yaml.v2",
|
||||
"rev": "a83829b6f1293c91addabc89d0571c246397bbf4",
|
||||
"sha256": "1m4dsmk90sbi17571h6pld44zxz7jc4lrnl4f27dpd1l8g5xvjhh"
|
||||
}
|
||||
},
|
||||
{
|
||||
"include": "../../libs.json", <co xml:id='ex-goDeps-4' />
|
||||
"packages": [ <co xml:id='ex-goDeps-5' />
|
||||
"github.com/docopt/docopt-go",
|
||||
"golang.org/x/crypto",
|
||||
]
|
||||
}
|
||||
]
|
||||
</programlisting>
|
||||
</example>
|
||||
|
||||
<para>
|
||||
|
||||
<calloutlist>
|
||||
|
||||
<callout arearefs='ex-goDeps-1'>
|
||||
<para>
|
||||
<varname>goDeps</varname> is a list of Go dependencies.
|
||||
</para>
|
||||
</callout>
|
||||
|
||||
<callout arearefs='ex-goDeps-2'>
|
||||
<para>
|
||||
<varname>goPackagePath</varname> specifies Go package import path.
|
||||
</para>
|
||||
</callout>
|
||||
|
||||
<callout arearefs='ex-goDeps-3'>
|
||||
<para>
|
||||
<varname>fetch type</varname> that needs to be used to get package source. If <varname>git</varname>
|
||||
is used there should be <varname>url</varname>, <varname>rev</varname> and <varname>sha256</varname>
|
||||
defined next to it.
|
||||
</para>
|
||||
</callout>
|
||||
|
||||
<callout arearefs='ex-goDeps-4'>
|
||||
<para>
|
||||
<varname>include</varname> could be used to reuse <varname>goDeps</varname> between Go programs.
|
||||
There is a common libs set in <varname><nixpkgs/pkgs/development/go-modules/libs.json></varname>
|
||||
with pinned versions of many packages that you can reuse.
|
||||
</para>
|
||||
</callout>
|
||||
|
||||
<callout arearefs='ex-goDeps-5'>
|
||||
<para>
|
||||
<varname>packages</varname> enumerates all Go packages that will be imported from included file.
|
||||
</para>
|
||||
</callout>
|
||||
|
||||
</calloutlist>
|
||||
|
||||
</para>
|
||||
|
||||
@ -119,6 +151,7 @@ done
|
||||
</screen>
|
||||
</para>
|
||||
|
||||
<para>To extract dependency information from a Go package in automated way use <link xlink:href="https://github.com/kamilchm/go2nix">go2nix</link>.</para>
|
||||
<para>To extract dependency information from a Go package in automated way use <link xlink:href="https://github.com/kamilchm/go2nix">go2nix</link>.
|
||||
It can produce complete derivation and <varname>goDeps</varname> file for Go programs.</para>
|
||||
</section>
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user