module main import os import v.pref import v.util fn main() { vexe := pref.vexe_path() vroot := os.dir(vexe) os.chdir(vroot) println('Updating V...') if !os.exists('.git') { // initialize as if it had been cloned git_command('init') git_command('remote add origin https://github.com/vlang/v') git_command('fetch') git_command('reset --hard origin/master') git_command('clean --quiet -xdf --exclude v.exe --exclude cmd/tools/vup.exe') } else { // pull latest git_command('pull origin master') } v_hash := util.githash(false) current_hash := util.githash(true) // println(v_hash) // println(current_hash) if v_hash == current_hash { show_current_v_version(vexe) return } $if windows { backup('v.exe') make_result := os.exec('make.bat') or { panic(err) } println(make_result.output) backup('cmd/tools/vup.exe') } $else { self_result := os.exec('./v self') or { panic(err) } println(self_result.output) if self_result.exit_code != 0 { // v self failed, have to use make println('v self failed, running make...') make_result := os.exec('make') or { panic(err) } println(make_result.output) } } os.exec('v cmd/tools/vup.v') or { panic(err) } show_current_v_version(vexe) } fn show_current_v_version(vexe string){ println('Current V version:') os.system('$vexe version') } fn backup(file string) { backup_file := '${file}_old.exe' if os.exists(backup_file) { os.rm(backup_file) } os.mv(file, backup_file) } fn git_command(command string) { vexe := pref.vexe_path() vroot := os.dir(vexe) git_result := os.exec('git $command') or { panic(err) } if git_result.exit_code != 0 { if git_result.output.contains('Permission denied') { eprintln('have no access `$vroot`: Permission denied') } else { eprintln(git_result.output) } exit(1) } }