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targets.go
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targets.go
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// Package buildtarget can generate a list of targets based on a matrix of
// goos, goarch, goarm, goamd64, gomips and go version.
package buildtarget
import (
"fmt"
"strings"
"github.com/caarlos0/log"
"github.com/goreleaser/goreleaser/pkg/config"
)
type target struct {
os, arch, arm, mips, amd64 string
}
func (t target) String() string {
if extra := t.arm + t.mips + t.amd64; extra != "" {
return fmt.Sprintf("%s_%s_%s", t.os, t.arch, extra)
}
return fmt.Sprintf("%s_%s", t.os, t.arch)
}
// List compiles the list of targets for the given builds.
func List(build config.Build) ([]string, error) {
// nolint:prealloc
var targets []target
// nolint:prealloc
var result []string
for _, target := range allBuildTargets(build) {
if !contains(target.os, validGoos) {
return result, fmt.Errorf("invalid goos: %s", target.os)
}
if !contains(target.arch, validGoarch) {
return result, fmt.Errorf("invalid goarch: %s", target.arch)
}
if target.arm != "" && !contains(target.arm, validGoarm) {
return result, fmt.Errorf("invalid goarm: %s", target.arm)
}
if target.mips != "" && !contains(target.mips, validGomips) {
return result, fmt.Errorf("invalid gomips: %s", target.mips)
}
if target.amd64 != "" && !contains(target.amd64, validGoamd64) {
return result, fmt.Errorf("invalid goamd64: %s", target.amd64)
}
if !valid(target) {
log.WithField("target", target).Debug("skipped invalid build")
continue
}
if ignored(build, target) {
log.WithField("target", target).Debug("skipped ignored build")
continue
}
targets = append(targets, target)
}
for _, target := range targets {
result = append(result, target.String())
}
return result, nil
}
func allBuildTargets(build config.Build) (targets []target) {
for _, goos := range build.Goos {
for _, goarch := range build.Goarch {
if goarch == "arm" {
for _, goarm := range build.Goarm {
targets = append(targets, target{
os: goos,
arch: goarch,
arm: goarm,
})
}
continue
}
if strings.HasPrefix(goarch, "amd64") {
for _, goamd := range build.Goamd64 {
targets = append(targets, target{
os: goos,
arch: goarch,
amd64: goamd,
})
}
continue
}
if strings.HasPrefix(goarch, "mips") {
for _, gomips := range build.Gomips {
targets = append(targets, target{
os: goos,
arch: goarch,
mips: gomips,
})
}
continue
}
targets = append(targets, target{
os: goos,
arch: goarch,
})
}
}
return
}
// TODO: this could be improved by using a map.
// https://github.com/goreleaser/goreleaser/pull/522#discussion_r164245014
func ignored(build config.Build, target target) bool {
for _, ig := range build.Ignore {
if ig.Goos != "" && ig.Goos != target.os {
continue
}
if ig.Goarch != "" && ig.Goarch != target.arch {
continue
}
if ig.Goarm != "" && ig.Goarm != target.arm {
continue
}
if ig.Gomips != "" && ig.Gomips != target.mips {
continue
}
if ig.Goamd64 != "" && ig.Goamd64 != target.amd64 {
continue
}
return true
}
return false
}
func valid(target target) bool {
return contains(target.os+target.arch, validTargets)
}
func contains(s string, ss []string) bool {
for _, z := range ss {
if z == s {
return true
}
}
return false
}
// lists from https://golang.org/doc/install/source#environment
// nolint: gochecknoglobals
var (
validTargets = []string{
"aixppc64",
"android386",
"androidamd64",
"androidarm",
"androidarm64",
"darwinamd64",
"darwinarm64",
"dragonflyamd64",
"freebsd386",
"freebsdamd64",
"freebsdarm",
"freebsdarm64", // not on the official list for some reason, yet its supported on go 1.14+
"illumosamd64",
"jswasm",
"linux386",
"linuxamd64",
"linuxarm",
"linuxarm64",
"linuxppc64",
"linuxppc64le",
"linuxmips",
"linuxmipsle",
"linuxmips64",
"linuxmips64le",
"linuxs390x",
"linuxriscv64",
"netbsd386",
"netbsdamd64",
"netbsdarm",
"openbsd386",
"openbsdamd64",
"openbsdarm",
"openbsdarm64",
"plan9386",
"plan9amd64",
"plan9arm",
"solarisamd64",
"windowsarm",
"windowsarm64",
"windows386",
"windowsamd64",
}
validGoos = []string{
"aix",
"android",
"darwin",
"dragonfly",
"freebsd",
"illumos",
"js",
"linux",
"netbsd",
"openbsd",
"plan9",
"solaris",
"windows",
}
validGoarch = []string{
"386",
"amd64",
"arm",
"arm64",
"mips",
"mips64",
"mips64le",
"mipsle",
"ppc64",
"ppc64le",
"s390x",
"wasm",
"riscv64",
}
validGoarm = []string{"5", "6", "7"}
validGomips = []string{"hardfloat", "softfloat"}
validGoamd64 = []string{"v1", "v2", "v3", "v4"}
)