119 lines
2.4 KiB
V
119 lines
2.4 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 := os.real_path(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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app.update_from_master()
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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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$if windows {
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app.backup('cmd/tools/vup.exe')
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}
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app.recompile_v()
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os.exec('"$app.vexe" 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) update_from_master() {
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if app.is_verbose {
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println('> updating from master ...')
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}
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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 https://github.com/vlang/v master')
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}
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}
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fn (app App) recompile_v() {
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// NB: app.vexe is more reliable than just v (which may be a symlink)
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vself := '"$app.vexe" self'
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if app.is_verbose {
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println('> recompiling v itself with `$vself` ...')
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}
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if self_result := os.exec(vself) {
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println(self_result.output.trim_space())
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if self_result.exit_code == 0 {
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return
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}
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}
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app.make(vself)
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}
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fn (app App) make(vself string) {
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mut make := 'make'
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$if windows {
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make = 'make.bat'
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}
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println('`$vself` failed, running `$make`...')
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make_result := os.exec(make) or {
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panic(err)
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}
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println(make_result.output)
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}
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fn (app App) show_current_v_version() {
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println('Current V version:')
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os.system('"$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 $command') or {
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panic(err)
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}
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if git_result.exit_code != 0 {
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if git_result.output.contains('Permission denied') {
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eprintln('No access to `$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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