forked from ponzu-cms/ponzu
/
upgrade.go
181 lines (156 loc) · 4.06 KB
/
upgrade.go
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package main
import (
"fmt"
"io/ioutil"
"os"
"path/filepath"
"time"
"github.com/spf13/cobra"
)
var upgradeCmd = &cobra.Command{
Use: "upgrade",
Short: "upgrades your project to the current ponzu version",
Long: `Will backup your own custom project code (like content, addons, uploads, etc)
if necessary. Before running '$ ponzu upgrade', you should update the 'ponzu'
package by running '$ go get -u github.com/ponzu-cms/ponzu/...'`,
Example: `$ ponzu upgrade`,
RunE: func(cmd *cobra.Command, args []string) error {
// confirm since upgrade will replace Ponzu core files
path, err := os.Getwd()
if err != nil {
return fmt.Errorf("Failed to find current directory: %s", err)
}
fmt.Println("Only files you added to this directory, 'addons' and 'content' will be preserved.")
fmt.Println("Changes you made to Ponzu's internal code will be overwritten.")
fmt.Println("Upgrade this project? (y/N):")
answer, err := getAnswer()
if err != nil {
return err
}
switch answer {
case "n", "no", "\r\n", "\n", "":
fmt.Println("")
case "y", "yes":
err := upgradePonzuProjectDir(path)
if err != nil {
return err
}
default:
fmt.Println("Input not recognized. No upgrade made. Answer as 'y' or 'n' only.")
}
return nil
},
}
func upgradePonzuProjectDir(path string) error {
core := []string{
".gitattributes",
"LICENSE",
"ponzu-banner.png",
"README.md",
"cmd",
"deployment",
"management",
"system",
"docs",
"CONTRIBUTING.md",
"examples",
}
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)
}
}
// development upgrade?
if dev {
if fork != "" {
fmt.Println("Upgrading from " + fork)
} else {
fmt.Println("Upgrading from 'ponzu-dev' branch")
}
}
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
}
func init() {
upgradeCmd.Flags().StringVar(&fork, "fork", "", "modify repo source for Ponzu core development")
upgradeCmd.Flags().BoolVar(&dev, "dev", false, "modify environment for Ponzu core development")
RegisterCmdlineCommand(upgradeCmd)
}