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path: root/cmd/ponzu/build.go
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package main

import (
	"errors"
	"os"
	"os/exec"
	"path/filepath"

	"github.com/spf13/cobra"
)

func buildPonzuServer() error {
	pwd, err := os.Getwd()
	if err != nil {
		return err
	}

	// copy all ./content files to internal vendor directory
	src := "content"
	dst := filepath.Join("cmd", "ponzu", "vendor", "github.com", "ponzu-cms", "ponzu", "content")
	err = emptyDir(dst)
	if err != nil {
		return err
	}
	err = copyFilesWarnConflicts(src, dst, []string{"doc.go"})
	if err != nil {
		return err
	}

	// copy all ./addons files & dirs to internal vendor directory
	src = "addons"
	dst = filepath.Join("cmd", "ponzu", "vendor")
	err = copyFilesWarnConflicts(src, dst, nil)
	if err != nil {
		return err
	}

	// execute go build -o ponzu-cms cmd/ponzu/*.go
	buildOptions := []string{"build", "-o", buildOutputName()}
	cmdBuildFiles := []string{
		"main.go", "options.go", "generate.go",
		"usage.go", "paths.go", "add.go",
	}
	var cmdBuildFilePaths []string
	for _, file := range cmdBuildFiles {
		p := filepath.Join(pwd, "cmd", "ponzu", file)
		cmdBuildFilePaths = append(cmdBuildFilePaths, p)
	}

	build := exec.Command(gocmd, append(buildOptions, cmdBuildFilePaths...)...)
	build.Stderr = os.Stderr
	build.Stdout = os.Stdout

	err = build.Start()
	if err != nil {
		return errors.New("Ponzu build step failed. Please try again. " + "\n" + err.Error())

	}
	err = build.Wait()
	if err != nil {
		return errors.New("Ponzu build step failed. Please try again. " + "\n" + err.Error())

	}

	return nil
}

var buildCmd = &cobra.Command{
	Use:   "build",
	Short: "build will build/compile the project to then be run.",
	Long: `From within your Ponzu project directory, running build will copy and move
the necessary files from your workspace into the vendored directory, and
will build/compile the project to then be run.

Example:
$ ponzu build
(or)
$ ponzu -gocmd=go1.8rc1 build

By providing the 'gocmd' flag, you can specify which Go command to build the
project, if testing a different release of Go.

Errors will be reported, but successful build commands return nothing.`,
	RunE: func(cmd *cobra.Command, args []string) error {
		return buildPonzuServer()
	},
}

func init() {
	rootCmd.AddCommand(buildCmd)
}