forked from goreleaser/goreleaser
/
build.go
89 lines (81 loc) · 1.89 KB
/
build.go
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package build
import (
"errors"
"log"
"os"
"os/exec"
"path/filepath"
"runtime"
"strings"
"github.com/goreleaser/goreleaser/context"
"golang.org/x/sync/errgroup"
)
// Pipe for build
type Pipe struct{}
// Description of the pipe
func (Pipe) Description() string {
return "Building binaries"
}
// Run the pipe
func (Pipe) Run(ctx *context.Context) error {
if err := runHook(ctx.Config.Build.Hooks.Pre); err != nil {
return err
}
var g errgroup.Group
for _, goos := range ctx.Config.Build.Goos {
for _, goarch := range ctx.Config.Build.Goarch {
goos := goos
goarch := goarch
if !valid(goos, goarch) {
continue
}
name, err := nameFor(ctx, goos, goarch)
if err != nil {
return err
}
ctx.Archives[goos+goarch] = name
g.Go(func() error {
return build(name, goos, goarch, ctx)
})
}
}
if err := g.Wait(); err != nil {
return err
}
return runHook(ctx.Config.Build.Hooks.Post)
}
func runHook(hook string) error {
if hook == "" {
return nil
}
log.Println("Running hook", hook)
cmd := strings.Fields(hook)
return run(runtime.GOOS, runtime.GOARCH, cmd)
}
func build(name, goos, goarch string, ctx *context.Context) error {
output := filepath.Join(
ctx.Config.Dist,
name,
ctx.Config.Build.Binary+extFor(goos),
)
log.Println("Building", output)
cmd := []string{"go", "build"}
if ctx.Config.Build.Flags != "" {
cmd = append(cmd, strings.Fields(ctx.Config.Build.Flags)...)
}
flags, err := ldflags(ctx)
if err != nil {
return err
}
cmd = append(cmd, "-ldflags="+flags, "-o", output, ctx.Config.Build.Main)
return run(goos, goarch, cmd)
}
func run(goos, goarch string, command []string) error {
cmd := exec.Command(command[0], command[1:]...)
cmd.Env = append(cmd.Env, os.Environ()...)
cmd.Env = append(cmd.Env, "GOOS="+goos, "GOARCH="+goarch)
if out, err := cmd.CombinedOutput(); err != nil {
return errors.New(string(out))
}
return nil
}