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