96 lines
2.3 KiB
Go
96 lines
2.3 KiB
Go
package main
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import (
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"bufio"
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"fmt"
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"os"
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"runtime"
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"runtime/debug"
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"syscall"
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"gopkg.in/src-d/go-git.v4"
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)
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func main() {
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scanner := bufio.NewScanner(os.Stdin)
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// Capture panics instead of closing the window at a superhuman speed before the user can read the message on Windows
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defer func() {
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if r := recover(); r != nil {
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fmt.Println(r)
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debug.PrintStack()
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pressAnyKey(scanner)
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return
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}
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}()
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updater(scanner)
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}
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func pressAnyKey(scanner *bufio.Scanner) {
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fmt.Println("Please press enter to exit...")
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for scanner.Scan() {
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_ = scanner.Text()
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return
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}
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}
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// The bool return is a little trick to condense two lines onto one
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func logError(err error) bool {
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if err == nil {
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return true
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}
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fmt.Println(err)
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debug.PrintStack()
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return false
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}
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func updater(scanner *bufio.Scanner) bool {
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fmt.Println("Welcome to Gosora's Upgrader")
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fmt.Println("We're going to check for new updates, please wait patiently")
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repo, err := git.PlainOpen(".")
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if err != nil {
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return logError(err)
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}
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workTree, err := repo.Worktree()
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if err != nil {
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return logError(err)
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}
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err = workTree.Pull(&git.PullOptions{Force: true})
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if err == git.NoErrAlreadyUpToDate {
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fmt.Println("You are already up-to-date")
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return true
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} else if err != nil && err != git.ErrUnstagedChanges { // fixes a bug in git where it refuses to update the files
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return logError(err)
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}
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err = workTree.Reset(&git.ResetOptions{Mode: git.HardReset})
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if err != nil {
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return logError(err)
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}
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fmt.Println("Updated to the latest commit")
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headRef, err := repo.Head()
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if err != nil {
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return logError(err)
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}
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// Get information about the commit
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commit, err := repo.CommitObject(headRef.Hash())
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if err != nil {
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return logError(err)
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}
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fmt.Println("Commit details:", commit)
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switch runtime.GOOS {
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case "windows":
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err = syscall.Exec("./patcher.bat", []string{}, os.Environ()) // doesn't work, need something for windows
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default: //linux, etc.
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err = syscall.Exec("./patcher-linux", []string{}, os.Environ())
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}
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return logError(err)
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}
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