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mirror of https://github.com/vlang/v.git synced 2023-08-10 21:13:21 +03:00
v/cmd/tools/vup.v
2021-02-23 10:05:59 +02:00

149 lines
3.9 KiB
V

module main
import os
import v.pref
import v.util
import v.util.recompilation
struct App {
is_verbose bool
is_prod bool
vexe string
vroot string
}
fn new_app() App {
vexe := os.real_path(pref.vexe_path())
vroot := os.dir(vexe)
return App{
is_verbose: '-v' in os.args
is_prod: '-prod' in os.args
vexe: vexe
vroot: vroot
}
}
fn main() {
app := new_app()
recompilation.must_be_enabled(app.vroot, 'Please install V from source, to use `v up` .')
os.chdir(app.vroot)
println('Updating V...')
app.update_from_master()
v_hash := util.githash(false)
current_hash := util.githash(true)
// println(v_hash)
// println(current_hash)
if v_hash == current_hash {
app.show_current_v_version()
return
}
$if windows {
app.backup('cmd/tools/vup.exe')
}
app.recompile_v()
os.exec('"$app.vexe" cmd/tools/vup.v') or { panic(err) }
app.show_current_v_version()
}
fn (app App) vprintln(s string) {
if app.is_verbose {
println(s)
}
}
fn (app App) update_from_master() {
app.vprintln('> updating from master ...')
if !os.exists('.git') {
// initialize as if it had been cloned
app.git_command('init')
app.git_command('remote add origin https://github.com/vlang/v')
app.git_command('fetch')
app.git_command('reset --hard origin/master')
app.git_command('clean --quiet -xdf --exclude v.exe --exclude cmd/tools/vup.exe')
} else {
// pull latest
app.git_command('pull https://github.com/vlang/v master')
}
}
fn (app App) recompile_v() {
// NB: app.vexe is more reliable than just v (which may be a symlink)
opts := if app.is_prod { '-prod' } else { '' }
vself := '"$app.vexe" $opts self'
app.vprintln('> recompiling v itself with `$vself` ...')
if self_result := os.exec(vself) {
if self_result.exit_code == 0 {
println(self_result.output.trim_space())
return
} else {
app.vprintln('`$vself` failed, running `make`...')
app.vprintln(self_result.output.trim_space())
}
}
app.make(vself)
}
fn (app App) make(vself string) {
mut make := 'make'
$if windows {
make = 'make.bat'
}
make_result := os.exec(make) or { panic(err) }
app.vprintln(make_result.output)
}
fn (app App) show_current_v_version() {
if vout := os.exec('"$app.vexe" version') {
mut vversion := vout.output.trim_space()
if vout.exit_code == 0 {
latest_v_commit := vversion.split(' ').last().all_after('.')
if latest_v_commit_time := os.exec('git show -s --format=%ci $latest_v_commit') {
if latest_v_commit_time.exit_code == 0 {
vversion += ', timestamp: ' + latest_v_commit_time.output.trim_space()
}
}
}
println('Current V version:')
println(vversion)
}
}
fn (app App) backup(file string) {
backup_file := '${file}_old.exe'
if os.exists(backup_file) {
os.rm(backup_file) or { eprintln('failed removing $backup_file: $err') }
}
os.mv(file, backup_file) or { eprintln('failed moving $file: $err') }
}
fn (app App) git_command(command string) {
app.vprintln('git_command: git $command')
git_result := os.exec('git $command') or {
app.get_git()
// Try it again with (maybe) git installed
os.exec('git $command') or { panic(err) }
}
if git_result.exit_code != 0 {
eprintln(git_result.output)
exit(1)
}
app.vprintln(git_result.output)
}
fn (app App) get_git() {
$if windows {
println('Downloading git 32 bit for Windows, please wait.')
// We'll use 32 bit because maybe someone out there is using 32-bit windows
os.exec('bitsadmin.exe /transfer "vgit" https://github.com/git-for-windows/git/releases/download/v2.30.0.windows.2/Git-2.30.0.2-32-bit.exe "$os.getwd()/git32.exe"') or {
eprintln('Unable to install git automatically: please install git manually')
panic(err)
}
os.exec('$os.getwd()/git32.exe') or {
eprintln('Unable to install git automatically: please install git manually')
panic(err)
}
} $else { // Probably some kind of *nix, usually need to get using a package manager.
eprintln("error: Install `git` using your system's package manager")
}
}