/
build.go
181 lines (161 loc) · 3.91 KB
/
build.go
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package main
// Build cross-compiles packages on set of
// OS and architecture pairs.
import (
"flag"
"fmt"
"os"
"os/exec"
"path/filepath"
"strings"
"time"
"golang.org/x/sync/errgroup"
)
var (
// Defaults
osxPairs = [][2]string{
// I think this has to be actually run on osx
{"darwin", "amd64"},
{"darwin", "arm64"},
}
linuxPairs = [][2]string{
{"linux", "386"},
{"linux", "amd64"},
{"linux", "arm"},
{"linux", "arm64"},
}
winPairs = [][2]string{
{"windows", "386"},
{"windows", "amd64"},
{"windows", "arm"},
{"windows", "arm64"},
}
jsPairs = [][2]string{
{"js", "wasm"},
}
// End Defaults
android = [][2]string{
{"android", "arm"},
{"android", "arm64"},
}
osArchPairs [][2]string
archPairLDFlags = map[[2]string]string{
{"windows", "386"}: "-H=windowsgui",
{"windows", "amd64"}: "-H=windowsgui",
}
outputName string
verbose bool
useosx bool
usewin bool
uselinux bool
usedroid bool
useall bool
usejs bool
help bool
)
func init() {
flag.BoolVar(&verbose, "v", true, "print build commands as they are run")
flag.StringVar(&outputName, "o", "viertris", "output executable name")
flag.BoolVar(&useosx, "osx", true, "build darwin executables")
flag.BoolVar(&uselinux, "nix", true, "build linux exectuables")
flag.BoolVar(&usewin, "win", true, "build windows exectuables")
flag.BoolVar(&usedroid, "android", false, "build android executables")
flag.BoolVar(&usejs, "js", true, "build js executables")
flag.BoolVar(&useall, "all", false, "build all executables")
flag.BoolVar(&help, "h", false, "prints usage")
}
const (
packageName = "github.com/200sc/viertris"
buildinfoPkg = packageName + "/internal/buildinfo"
)
func main() {
if help {
fmt.Println("Usage: go run build.go <flags> -pkg <package>")
return
}
flag.Parse()
if useall {
useosx = true
usewin = true
usedroid = true
usewin = true
usejs = true
}
lastCommit, err := exec.Command("git", "rev-list", "-1", "HEAD").CombinedOutput()
if err != nil {
fmt.Println(string(lastCommit))
panic(err)
}
buildVersion, err := os.ReadFile(filepath.Join("..", "version"))
if err != nil {
panic(err)
}
var buildInfoLDFlags = []string{
"-X " + buildinfoPkg + ".CheatsEnabled=no",
"-X " + buildinfoPkg + ".BuildTime=" + time.Now().Format(time.RFC3339),
"-X " + buildinfoPkg + ".BuildCommit=" + string(lastCommit),
"-X " + buildinfoPkg + ".BuildVersion=" + string(buildVersion),
}
if useosx {
osArchPairs = append(osArchPairs, osxPairs...)
}
if uselinux {
osArchPairs = append(osArchPairs, linuxPairs...)
}
if usedroid {
osArchPairs = append(osArchPairs, android...)
}
if usewin {
osArchPairs = append(osArchPairs, winPairs...)
}
if usejs {
osArchPairs = append(osArchPairs, jsPairs...)
}
workDir := os.TempDir()
var eg errgroup.Group
for _, pair := range osArchPairs {
pair := pair
eg.Go(func() error {
buildDir := pair[0] + "-" + pair[1]
os.MkdirAll(buildDir, 0777)
buildName := filepath.Join(buildDir, outputName+"."+pair[0]+"."+pair[1])
if pair[0] == "windows" {
buildName += ".exe"
}
toRun := []string{"build", "-o", buildName}
ldFlags := "-ldflags="
allLDFlags := buildInfoLDFlags
if flags, ok := archPairLDFlags[pair]; ok {
allLDFlags = append(allLDFlags, flags)
}
ldFlags += strings.Join(allLDFlags, " ")
toRun = append(toRun, ldFlags)
toRun = append(toRun, packageName)
env := os.Environ()
env = append(env, []string{
"GOOS=" + pair[0],
"GOARCH=" + pair[1],
"GOTMPDIR=" + workDir,
}...)
if verbose {
fmt.Println("Running: go ", toRun)
}
cmd := exec.Command("go", toRun...)
cmd.Env = env
out, err := cmd.CombinedOutput()
if err != nil {
fmt.Println("Target", pair, "errored:")
fmt.Println(err)
}
if verbose && len(out) != 0 {
fmt.Printf("%s\n", string(out))
}
return nil
})
}
err = eg.Wait()
if err != nil {
fmt.Println(err)
os.Exit(1)
}
}