mirror of
https://github.com/vlang/v.git
synced 2023-08-10 21:13:21 +03:00
111 lines
3.4 KiB
V
111 lines
3.4 KiB
V
module main
|
|
|
|
import os
|
|
import os.cmdline
|
|
import v.util.recompilation
|
|
|
|
const is_debug = os.args.contains('-debug')
|
|
|
|
// support a renamed `v` executable too:
|
|
const vexe = os.getenv_opt('VEXE') or { @VEXE }
|
|
|
|
const vroot = os.dir(vexe)
|
|
|
|
fn main() {
|
|
// make testing `v up` easier, by providing a way to force `v self` to fail,
|
|
// to test the fallback logic:
|
|
if os.getenv('VSELF_SHOULD_FAIL') != '' {
|
|
eprintln('v self failed')
|
|
exit(1)
|
|
}
|
|
vexe_name := os.file_name(vexe)
|
|
short_v_name := vexe_name.all_before('.')
|
|
//
|
|
recompilation.must_be_enabled(vroot, 'Please install V from source, to use `${vexe_name} self` .')
|
|
os.chdir(vroot)!
|
|
os.setenv('VCOLORS', 'always', true)
|
|
mut args := os.args[1..].filter(it != 'self')
|
|
if args.len == 0 || ('-cc' !in args && '-prod' !in args) {
|
|
// compiling by default, i.e. `v self`:
|
|
uos := os.user_os()
|
|
uname := os.uname()
|
|
if uos == 'macos' && uname.machine == 'arm64' {
|
|
// Apple silicon, like m1, m2 etc
|
|
// Use tcc by default for V, since tinycc is much faster and also
|
|
// it already supports compiling many programs like V itself, that do not depend on inlined objective-C code
|
|
args << '-cc tcc'
|
|
}
|
|
}
|
|
jargs := args.join(' ')
|
|
obinary := cmdline.option(args, '-o', '')
|
|
sargs := if obinary != '' { jargs } else { '${jargs} -o v2' }
|
|
cmd := '${os.quoted_path(vexe)} ${sargs} ${os.quoted_path('cmd/v')}'
|
|
options := if args.len > 0 { '(${sargs})' } else { '' }
|
|
println('V self compiling ${options}...')
|
|
compile(vroot, cmd)
|
|
if obinary != '' {
|
|
// When -o was given, there is no need to backup/rename the original.
|
|
// The user just wants an independent copy of v, and so we are done.
|
|
return
|
|
}
|
|
backup_old_version_and_rename_newer(short_v_name) or { panic(err.msg()) }
|
|
println('V built successfully as executable "${vexe_name}".')
|
|
}
|
|
|
|
fn compile(vroot string, cmd string) {
|
|
result := os.execute_or_exit(cmd)
|
|
if result.exit_code != 0 {
|
|
eprintln('cannot compile to `${vroot}`: \n${result.output}')
|
|
exit(1)
|
|
}
|
|
if result.output.len > 0 {
|
|
println(result.output.trim_space())
|
|
}
|
|
}
|
|
|
|
fn list_folder(short_v_name string, bmessage string, message string) {
|
|
if !is_debug {
|
|
return
|
|
}
|
|
if bmessage != '' {
|
|
println(bmessage)
|
|
}
|
|
if os.user_os() == 'windows' {
|
|
os.system('dir ${short_v_name}*.exe')
|
|
} else {
|
|
os.system('ls -lartd ${short_v_name}*')
|
|
}
|
|
println(message)
|
|
}
|
|
|
|
fn backup_old_version_and_rename_newer(short_v_name string) !bool {
|
|
mut errors := []string{}
|
|
short_v_file := if os.user_os() == 'windows' { '${short_v_name}.exe' } else { '${short_v_name}' }
|
|
short_v2_file := if os.user_os() == 'windows' { 'v2.exe' } else { 'v2' }
|
|
short_bak_file := if os.user_os() == 'windows' { 'v_old.exe' } else { 'v_old' }
|
|
v_file := os.real_path(short_v_file)
|
|
v2_file := os.real_path(short_v2_file)
|
|
bak_file := os.real_path(short_bak_file)
|
|
|
|
list_folder(short_v_name, 'before:', 'removing ${bak_file} ...')
|
|
if os.exists(bak_file) {
|
|
os.rm(bak_file) or { errors << 'failed removing ${bak_file}: ${err.msg()}' }
|
|
}
|
|
|
|
list_folder(short_v_name, '', 'moving ${v_file} to ${bak_file} ...')
|
|
os.mv(v_file, bak_file) or { errors << err.msg() }
|
|
|
|
list_folder(short_v_name, '', 'removing ${v_file} ...')
|
|
os.rm(v_file) or {}
|
|
|
|
list_folder(short_v_name, '', 'moving ${v2_file} to ${v_file} ...')
|
|
os.mv_by_cp(v2_file, v_file) or { panic(err.msg()) }
|
|
|
|
list_folder(short_v_name, 'after:', '')
|
|
|
|
if errors.len > 0 {
|
|
eprintln('backup errors:\n >> ' + errors.join('\n >> '))
|
|
}
|
|
return true
|
|
}
|