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package main

import (

"io"

"io/ioutil"

"os"

"path/filepath"

_ "github.com/cloudfoundry/python-buildpack/src/python/hooks"

"github.com/cloudfoundry/python-buildpack/src/python/supply"

"time"

"github.com/cloudfoundry/libbuildpack"

)

func main() {

logfile, err := ioutil.TempFile("", "cloudfoundry.python-buildpack.finalize")

defer logfile.Close()

if err != nil {

logger := libbuildpack.NewLogger(os.Stdout)

logger.Error("Unable to create log file: %s", err.Error())

os.Exit(8)

}

stdout := io.MultiWriter(os.Stdout, logfile)

logger := libbuildpack.NewLogger(stdout)

buildpackDir, err := libbuildpack.GetBuildpackDir()

if err != nil {

logger.Error("Unable to determine buildpack directory: %s", err.Error())

os.Exit(9)

}

manifest, err := libbuildpack.NewManifest(buildpackDir, logger, time.Now())

if err != nil {

logger.Error("Unable to load buildpack manifest: %s", err.Error())

os.Exit(10)

}

installer := libbuildpack.NewInstaller(manifest)

stager := libbuildpack.NewStager(os.Args[1:], logger, manifest)

if err := stager.CheckBuildpackValid(); err != nil {

os.Exit(11)

}

if err = installer.SetAppCacheDir(stager.CacheDir()); err != nil {

logger.Error("Unable to setup appcache: %s", err)

os.Exit(18)

}

if err = manifest.ApplyOverride(stager.DepsDir()); err != nil {

logger.Error("Unable to apply override.yml files: %s", err)

os.Exit(17)

}

err = libbuildpack.RunBeforeCompile(stager)

if err != nil {

logger.Error("Before Compile: %s", err.Error())

os.Exit(12)

}

for _, dir := range []string{"bin", "lib", "include", "pkgconfig"} {

if err := os.Mkdir(filepath.Join(stager.DepDir(), dir), 0755); err != nil {

logger.Error("Could not create directory: %s", err.Error())

os.Exit(12)

}

err = stager.SetStagingEnvironment()

if err != nil {

logger.Error("Unable to setup environment variables: %s", err.Error())

os.Exit(13)

}

s := supply.Supplier{

Logfile: logfile,

Stager: stager,

Manifest: manifest,

Installer: installer,

Log: logger,

Command: &libbuildpack.Command{},

// Cache: &cache.Cache{

// Stager: stager,

// Command: &libbuildpack.Command{},

// Log: logger,

// },

}

err = supply.Run(&s)

if err != nil {

os.Exit(14)

}

if err := stager.WriteConfigYml(nil); err != nil {

logger.Error("Error writing config.yml: %s", err.Error())

os.Exit(15)

}

if err = installer.CleanupAppCache(); err != nil {

logger.Error("Unable to clean up app cache: %s", err)

os.Exit(19)

}

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