/
options.go
480 lines (400 loc) · 10.4 KB
/
options.go
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package main
import (
"errors"
"fmt"
"io"
"io/ioutil"
"os"
"os/exec"
"path/filepath"
"strings"
"time"
)
func newProjectInDir(path string) error {
// set path to be nested inside $GOPATH/src
gopath := os.Getenv("GOPATH")
path = filepath.Join(gopath, "src", path)
// check if anything exists at the path, ask if it should be overwritten
if _, err := os.Stat(path); !os.IsNotExist(err) {
fmt.Println("Path exists, overwrite contents? (y/N):")
answer, err := getAnswer()
if err != nil {
return err
}
switch answer {
case "n", "no", "\r\n", "\n", "":
fmt.Println("")
case "y", "yes":
err := os.RemoveAll(path)
if err != nil {
return fmt.Errorf("Failed to overwrite %s. \n%s", path, err)
}
return createProjectInDir(path)
default:
fmt.Println("Input not recognized. No files overwritten. Answer as 'y' or 'n' only.")
}
return nil
}
return createProjectInDir(path)
}
var ponzuRepo = []string{"github.com", "ponzu-cms", "ponzu"}
func getAnswer() (string, error) {
var answer string
_, err := fmt.Scanf("%s\n", &answer)
if err != nil {
if err.Error() == "unexpected newline" {
answer = ""
} else {
return "", err
}
}
answer = strings.ToLower(answer)
return answer, nil
}
func createProjectInDir(path string) error {
gopath := os.Getenv("GOPATH")
repo := ponzuRepo
local := filepath.Join(gopath, "src", filepath.Join(repo...))
network := "https://" + strings.Join(repo, "/") + ".git"
if !strings.HasPrefix(path, gopath) {
path = filepath.Join(gopath, path)
}
// create the directory or overwrite it
err := os.MkdirAll(path, os.ModeDir|os.ModePerm)
if err != nil {
return err
}
if dev {
if fork != "" {
local = filepath.Join(gopath, "src", fork)
}
devClone := exec.Command("git", "clone", local, "--branch", "ponzu-dev", "--single-branch", path)
devClone.Stdout = os.Stdout
devClone.Stderr = os.Stderr
err = devClone.Start()
if err != nil {
return err
}
err = devClone.Wait()
if err != nil {
return err
}
err = vendorCorePackages(path)
if err != nil {
return err
}
fmt.Println("Dev build cloned from " + local + ":ponzu-dev")
return nil
}
// try to git clone the repository from the local machine's $GOPATH
localClone := exec.Command("git", "clone", local, path)
localClone.Stdout = os.Stdout
localClone.Stderr = os.Stderr
err = localClone.Start()
if err != nil {
return err
}
err = localClone.Wait()
if err != nil {
fmt.Println("Couldn't clone from", local, "- trying network...")
// try to git clone the repository over the network
networkClone := exec.Command("git", "clone", network, path)
networkClone.Stdout = os.Stdout
networkClone.Stderr = os.Stderr
err = networkClone.Start()
if err != nil {
fmt.Println("Network clone failed to start. Try again and make sure you have a network connection.")
return err
}
err = networkClone.Wait()
if err != nil {
fmt.Println("Network clone failure.")
// failed
return fmt.Errorf("Failed to clone files from local machine [%s] and over the network [%s].\n%s", local, network, err)
}
}
// create an internal vendor directory in ./cmd/ponzu and move content,
// management and system packages into it
err = vendorCorePackages(path)
if err != nil {
return err
}
gitDir := filepath.Join(path, ".git")
err = os.RemoveAll(gitDir)
if err != nil {
fmt.Println("Failed to remove .git directory from your project path. Consider removing it manually.")
}
fmt.Println("New ponzu project created at", path)
return nil
}
func vendorCorePackages(path string) error {
vendorPath := filepath.Join(path, "cmd", "ponzu", "vendor", "github.com", "ponzu-cms", "ponzu")
err := os.MkdirAll(vendorPath, os.ModeDir|os.ModePerm)
if err != nil {
return err
}
dirs := []string{"content", "management", "system"}
for _, dir := range dirs {
err = os.Rename(filepath.Join(path, dir), filepath.Join(vendorPath, dir))
if err != nil {
return err
}
}
// create a user content directory at project root
contentPath := filepath.Join(path, "content")
err = os.Mkdir(contentPath, os.ModeDir|os.ModePerm)
if err != nil {
return err
}
return nil
}
func copyFileNoRoot(src, dst string) error {
noRoot := strings.Split(src, string(filepath.Separator))[1:]
path := filepath.Join(noRoot...)
dstFile, err := os.Create(filepath.Join(dst, path))
defer dstFile.Close()
if err != nil {
return err
}
srcFile, err := os.Open(src)
defer srcFile.Close()
if err != nil {
return err
}
_, err = io.Copy(dstFile, srcFile)
if err != nil {
return err
}
return nil
}
func copyFilesWarnConflicts(srcDir, dstDir string, conflicts []string) error {
err := filepath.Walk(srcDir, func(path string, info os.FileInfo, err error) error {
if err != nil {
return err
}
for _, conflict := range conflicts {
if info.Name() == conflict {
fmt.Println("Ponzu couldn't fully build your project:")
fmt.Println("You must rename the following file, as it conflicts with Ponzu core:")
fmt.Println(path)
fmt.Println("")
fmt.Println("Once the files above have been renamed, run '$ ponzu build' to retry.")
return errors.New("Ponzu has very few internal conflicts, sorry for the inconvenience.")
}
}
if info.IsDir() {
// don't copy root directory
if path == srcDir {
return nil
}
if len(path) > len(srcDir) {
path = path[len(srcDir)+1:]
}
dir := filepath.Join(dstDir, path)
err := os.MkdirAll(dir, os.ModeDir|os.ModePerm)
if err != nil {
return err
}
return nil
}
err = copyFileNoRoot(path, dstDir)
if err != nil {
return err
}
return nil
})
if err != nil {
return err
}
return nil
}
func emptyDir(path string) error {
d, err := os.Open(path)
if err != nil {
return err
}
defer d.Close()
names, err := d.Readdirnames(-1)
if err != nil {
return err
}
for _, name := range names {
err = os.RemoveAll(filepath.Join(path, name))
if err != nil {
return err
}
}
return nil
}
func buildPonzuServer(args []string) 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", "ponzu-server"}
cmdBuildFiles := []string{"main.go", "options.go", "generate.go", "usage.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
}
func copyAll(src, dst string) error {
err := filepath.Walk(src, func(path string, info os.FileInfo, err error) error {
if err != nil {
return err
}
sep := string(filepath.Separator)
// base == the ponzu project dir + string(filepath.Separator)
parts := strings.Split(src, sep)
base := strings.Join(parts[:len(parts)-1], sep)
base += sep
target := filepath.Join(dst, path[len(base):])
// if its a directory, make dir in dst
if info.IsDir() {
err := os.MkdirAll(target, os.ModeDir|os.ModePerm)
if err != nil {
return err
}
} else {
// if its a file, move file to dir of dst
err = os.Rename(path, target)
if err != nil {
return err
}
}
return nil
})
if err != nil {
return err
}
return nil
}
func upgradePonzuProjectDir(path string) error {
core := []string{
".gitattributes",
"LICENSE",
"ponzu-banner.png",
"README.md",
"cmd",
"deployment",
"management",
"system",
}
stamp := fmt.Sprintf("ponzu-%d.bak", time.Now().Unix())
temp := filepath.Join(os.TempDir(), stamp)
err := os.Mkdir(temp, os.ModeDir|os.ModePerm)
if err != nil {
return err
}
// track non-Ponzu core items (added by user)
var user []os.FileInfo
list, err := ioutil.ReadDir(path)
if err != nil {
return err
}
for _, item := range list {
// check if in core
var isCore bool
for _, name := range core {
if item.Name() == name {
isCore = true
break
}
}
if !isCore {
user = append(user, item)
}
}
// move non-Ponzu files to temp location
fmt.Println("Preserving files to be restored after upgrade...")
for _, item := range user {
src := filepath.Join(path, item.Name())
if item.IsDir() {
err := os.Mkdir(filepath.Join(temp, item.Name()), os.ModeDir|os.ModePerm)
if err != nil {
return err
}
}
err := copyAll(src, temp)
if err != nil {
return err
}
fmt.Println(" [-]", item.Name())
}
// remove all files in path
for _, item := range list {
err := os.RemoveAll(filepath.Join(path, item.Name()))
if err != nil {
return fmt.Errorf("Failed to remove old Ponzu files.\n%s", err)
}
}
err = createProjectInDir(path)
if err != nil {
fmt.Println("")
fmt.Println("Upgrade failed...")
fmt.Println("Your code is backed up at the following location:")
fmt.Println(temp)
fmt.Println("")
fmt.Println("Manually create a new Ponzu project here and copy those files within it to fully restore.")
fmt.Println("")
return err
}
// move non-Ponzu files from temp location backed
restore, err := ioutil.ReadDir(temp)
if err != nil {
return err
}
fmt.Println("Restoring files preserved before upgrade...")
for _, r := range restore {
p := filepath.Join(temp, r.Name())
err = copyAll(p, path)
if err != nil {
fmt.Println("Couldn't merge your previous project files with upgraded one.")
fmt.Println("Manually copy your files from the following directory:")
fmt.Println(temp)
return err
}
fmt.Println(" [+]", r.Name())
}
// clean-up
backups := []string{filepath.Join(path, stamp), temp}
for _, bak := range backups {
err := os.RemoveAll(bak)
if err != nil {
return err
}
}
return nil
}