func main() {
// First, clean up
err := os.RemoveAll(buildDir)
if err != nil {
log.Fatal(err)
}
err = os.RemoveAll(releaseDir)
if err != nil {
log.Fatal(err)
}
// Then set up
err = os.MkdirAll(buildDir, 0755)
if err != nil {
log.Fatal(err)
}
err = os.MkdirAll(releaseDir, 0755)
if err != nil {
log.Fatal(err)
}
// Perform builds and make archives in parallel; only as many
// goroutines as we have processors.
var wg sync.WaitGroup
var throttle = make(chan struct{}, numProcs())
for _, p := range platforms {
wg.Add(1)
throttle <- struct{}{}
if p.os == "" || p.arch == "" || p.archive == "" {
log.Fatalf("Platform OS, architecture, and archive format is required: %+v", p)
}
go func(p platform) {
defer wg.Done()
defer func() { <-throttle }()
fmt.Printf("== Building %s\n", p)
var baseFilename, binFilename string
baseFilename = fmt.Sprintf("caddy_%s_%s", p.os, p.arch)
if p.arch == "arm" {
baseFilename += p.arm
}
binFilename = baseFilename + p.binExt
binPath := filepath.Join(buildDir, binFilename)
archive := filepath.Join(releaseDir, fmt.Sprintf("%s.%s", baseFilename, p.archive))
archiveContents := append(distContents, binPath)
err := build(p, binPath)
if err != nil {
log.Fatal(err)
}
fmt.Printf("== Compressing %s\n", baseFilename)
if p.archive == "zip" {
err := archiver.Zip(archive, archiveContents)
if err != nil {
log.Fatal(err)
}
} else if p.archive == "tar.gz" {
err := archiver.TarGz(archive, archiveContents)
if err != nil {
log.Fatal(err)
}
}
}(p)
}
wg.Wait()
}
// Build performs a build job. This function is blocking. If the build
// job succeeds, it will automatically delete itself when it expires.
// If it fails, resources are not automatically cleaned up.
func (b *Build) Build() error {
// Prepare the build
builder, err := caddybuild.PrepareBuild(b.Features, false) // TODO: PullLatest (go get -u) DISABLED for stability; updates are manual for now
defer builder.Teardown() // always perform cleanup
if err != nil {
return err
}
builder.CommandName = "./build.bash"
origRepoPath := filepath.Join(os.Getenv("GOPATH"), "src/github.com/mholt/caddy")
// Perform the build
if b.GoArch == "arm" {
var armInt int
if b.GoARM != "" {
armInt, err = strconv.Atoi(b.GoARM)
if err != nil {
return err
}
} else {
armInt = defaultARM
}
err = builder.BuildStaticARM(b.GoOS, armInt, b.OutputFile, origRepoPath)
} else if b.GoOS == "darwin" { // At time of writing, building with CGO_ENABLED=0 for darwin can break stuff: https://www.reddit.com/r/golang/comments/46bd5h/ama_we_are_the_go_contributors_ask_us_anything/d03rmc9
err = builder.Build(b.GoOS, b.GoArch, b.OutputFile, origRepoPath)
} else {
err = builder.BuildStatic(b.GoOS, b.GoArch, b.OutputFile, origRepoPath)
}
if err != nil {
return err
}
// File list to include with build, then compress the build
fileList := []string{
filepath.Join(CaddyPath, "/dist/README.txt"),
filepath.Join(CaddyPath, "/dist/LICENSES.txt"),
filepath.Join(CaddyPath, "/dist/CHANGES.txt"),
filepath.Join(CaddyPath, "/dist/init"),
b.OutputFile,
}
if b.DownloadFileCompression == CompressZip {
err = archiver.Zip(b.DownloadFile, fileList)
} else if b.DownloadFileCompression == CompressTarGz {
err = archiver.TarGz(b.DownloadFile, fileList)
} else {
return fmt.Errorf("unknown compress type %v", b.DownloadFileCompression)
}
if err != nil {
return fmt.Errorf("error compressing: %v", err)
}
// Delete uncompressed binary
err = os.Remove(b.OutputFile)
if err != nil {
return err
}
// Finalize the build and have it clean itself
// up after its expiration
b.finish()
return nil
}