v/cmd/tools/vdoctor.v

319 lines
8.9 KiB
V

import os
import time
import term
import v.util.version
import runtime
import encoding.iconv
struct App {
mut:
report_lines []string
cached_cpuinfo map[string]string
vexe string
}
fn (mut a App) println(s string) {
a.report_lines << s
}
fn (mut a App) collect_info() {
a.line('V full version', version.full_v_version(true))
a.line(':-------------------', ':-------------------')
mut os_kind := os.user_os()
mut arch_details := []string{}
arch_details << '${runtime.nr_cpus()} cpus'
if runtime.is_32bit() {
arch_details << '32bit'
}
if runtime.is_64bit() {
arch_details << '64bit'
}
if runtime.is_big_endian() {
arch_details << 'big endian'
}
if runtime.is_little_endian() {
arch_details << 'little endian'
}
if os_kind == 'macos' {
arch_details << a.cmd(command: 'sysctl -n machdep.cpu.brand_string')
}
if os_kind == 'linux' {
mut cpu_details := ''
if cpu_details == '' {
cpu_details = a.cpu_info('model name')
}
if cpu_details == '' {
cpu_details = a.cpu_info('hardware')
}
if cpu_details == '' {
cpu_details = os.uname().machine
}
arch_details << cpu_details
}
if os_kind == 'windows' {
arch_details << a.cmd(
command: 'wmic cpu get name /format:table'
line: 2
)
}
mut os_details := ''
wsl_check := a.cmd(command: 'cat /proc/sys/kernel/osrelease')
if os_kind == 'linux' {
os_details = a.get_linux_os_name()
if a.cpu_info('flags').contains('hypervisor') {
if wsl_check.contains('microsoft') {
// WSL 2 is a Managed VM and Full Linux Kernel
// See https://docs.microsoft.com/en-us/windows/wsl/compare-versions
os_details += ' (WSL 2)'
} else {
os_details += ' (VM)'
}
}
// WSL 1 is NOT a Managed VM and Full Linux Kernel
// See https://docs.microsoft.com/en-us/windows/wsl/compare-versions
if wsl_check.contains('Microsoft') {
os_details += ' (WSL)'
}
// From https://unix.stackexchange.com/a/14346
awk_cmd := '[ "$(awk \'\$5=="/" {print \$1}\' </proc/1/mountinfo)" != "$(awk \'\$5=="/" {print \$1}\' </proc/$$/mountinfo)" ] ; echo \$?'
if a.cmd(command: awk_cmd) == '0' {
os_details += ' (chroot)'
}
} else if os_kind == 'macos' {
mut details := []string{}
details << a.cmd(command: 'sw_vers -productName')
details << a.cmd(command: 'sw_vers -productVersion')
details << a.cmd(command: 'sw_vers -buildVersion')
os_details = details.join(', ')
} else if os_kind == 'windows' {
wmic_info := a.cmd(
command: 'wmic os get * /format:value'
line: -1
)
p := a.parse(wmic_info, '=')
mut caption, mut build_number, mut os_arch := p['caption'], p['buildnumber'], p['osarchitecture']
caption = iconv.encoding_to_vstring(caption.bytes(), 'ANSI') or { caption }
build_number = iconv.encoding_to_vstring(build_number.bytes(), 'ANSI') or { build_number }
os_arch = iconv.encoding_to_vstring(os_arch.bytes(), 'ANSI') or { os_arch }
os_details = '${caption} ${build_number} ${os_arch}'
} else {
ouname := os.uname()
os_details = '${ouname.release}, ${ouname.version}'
}
a.line('OS', '${os_kind}, ${os_details}')
a.line('Processor', arch_details.join(', '))
total_memory := f32(runtime.total_memory() or { 0 }) / (1024.0 * 1024.0 * 1024.0)
free_memory := f32(runtime.free_memory() or { 0 }) / (1024.0 * 1024.0 * 1024.0)
if total_memory != 0 && free_memory != 0 {
a.line('Memory', '${free_memory:.2}GB/${total_memory:.2}GB')
} else {
a.line('Memory', 'N/A')
}
a.line('', '')
vexe := a.vexe
vroot := os.dir(vexe)
vmodules := os.vmodules_dir()
vtmp_dir := os.vtmp_dir()
getwd := os.getwd()
os.chdir(vroot) or {}
a.line('V executable', vexe)
a.line('V last modified time', time.unix(os.file_last_mod_unix(vexe)).str())
a.line('', '')
a.line2('V home dir', diagnose_dir(vroot), vroot)
a.line2('VMODULES', diagnose_dir(vmodules), vmodules)
a.line2('VTMP', diagnose_dir(vtmp_dir), vtmp_dir)
a.line2('Current working dir', diagnose_dir(getwd), getwd)
a.line('', '')
a.line_env('VFLAGS')
a.line_env('CFLAGS')
a.line_env('LDFLAGS')
a.line('Git version', a.cmd(command: 'git --version'))
a.line('V git status', a.git_info())
a.line('.git/config present', os.is_file('.git/config').str())
a.line('', '')
a.line('cc version', a.cmd(command: 'cc --version'))
if os_kind == 'openbsd' {
a.line('gcc version', a.cmd(command: 'egcc --version'))
} else {
a.line('gcc version', a.cmd(command: 'gcc --version'))
}
a.line('clang version', a.cmd(command: 'clang --version'))
if os_kind == 'windows' {
// Check for MSVC on windows
a.line('msvc version', a.cmd(command: 'cl'))
}
a.report_tcc_version('thirdparty/tcc')
a.line('emcc version', a.cmd(command: 'emcc --version'))
if os_kind != 'openbsd' && os_kind != 'freebsd' {
a.line('glibc version', a.cmd(command: 'ldd --version'))
} else {
a.line('glibc version', 'N/A')
}
}
struct CmdConfig {
line int
command string
}
fn (mut a App) cmd(c CmdConfig) string {
x := os.execute(c.command)
os_kind := os.user_os()
if x.exit_code < 0 || x.exit_code == 127 || (os_kind == 'windows' && x.exit_code == 1) {
return 'N/A'
}
if x.exit_code == 0 {
if c.line < 0 {
return x.output
}
output := x.output.split_into_lines()
if output.len > 0 && output.len > c.line {
return output[c.line]
}
}
return 'Error: ${x.output}'
}
fn (mut a App) line(label string, value string) {
a.println('|${label:-20}|${term.colorize(term.bold, value)}')
}
fn (mut a App) line2(label string, value string, value2 string) {
a.println('|${label:-20}|${term.colorize(term.bold, value)}, value: ${term.colorize(term.bold,
value2)}')
}
fn (mut a App) line_env(env_var string) {
value := os.getenv(env_var)
if value != '' {
a.line('env ${env_var}', '"${value}"')
}
}
fn (app &App) parse(config string, sep string) map[string]string {
mut m := map[string]string{}
lines := config.split_into_lines()
for line in lines {
sline := line.trim_space()
if sline.len == 0 || sline[0] == `#` {
continue
}
x := sline.split(sep)
if x.len < 2 {
continue
}
m[x[0].trim_space().to_lower()] = x[1].trim_space().trim('"')
}
return m
}
fn (mut a App) get_linux_os_name() string {
if os.is_file('/etc/os-release') {
if lines := os.read_file('/etc/os-release') {
vals := a.parse(lines, '=')
if vals['PRETTY_NAME'] != '' {
return vals['PRETTY_NAME']
}
}
}
if !a.cmd(command: 'type lsb_release').starts_with('Error') {
return a.cmd(command: 'lsb_release -d -s')
}
if os.is_file('/proc/version') {
return a.cmd(command: 'cat /proc/version')
}
ouname := os.uname()
return '${ouname.release}, ${ouname.version}'
}
fn (mut a App) cpu_info(key string) string {
if a.cached_cpuinfo.len > 0 {
return a.cached_cpuinfo[key]
}
info := os.execute('cat /proc/cpuinfo')
if info.exit_code != 0 {
return '`cat /proc/cpuinfo` could not run'
}
a.cached_cpuinfo = a.parse(info.output, ':')
return a.cached_cpuinfo[key]
}
fn (mut a App) git_info() string {
// Check if in a Git repository
x := os.execute('git rev-parse --is-inside-work-tree')
if x.exit_code != 0 || x.output.trim_space() != 'true' {
return 'N/A'
}
mut out := a.cmd(command: 'git -C . describe --abbrev=8 --dirty --always --tags').trim_space()
os.execute('git -C . remote add V_REPO https://github.com/vlang/v') // ignore failure (i.e. remote exists)
if '-skip-github' !in os.args {
os.execute('${os.quoted_path(a.vexe)} timeout 5.1 "git -C . fetch V_REPO"') // usually takes ~0.6s; 5 seconds should be enough for even the slowest networks
}
commit_count := a.cmd(command: 'git rev-list @{0}...V_REPO/master --right-only --count').int()
if commit_count > 0 {
out += ' (${commit_count} commit(s) behind V master)'
}
return out
}
fn (mut a App) report_tcc_version(tccfolder string) {
cmd := os.join_path(tccfolder, 'tcc.exe') + ' -v'
x := os.execute(cmd)
if x.exit_code == 0 {
a.line('tcc version', '${x.output.trim_space()}')
} else {
a.line('tcc version', 'N/A')
}
if !os.is_file(os.join_path(tccfolder, '.git', 'config')) {
a.line('tcc git status', 'N/A')
} else {
tcc_branch_name := a.cmd(
command: 'git -C ${os.quoted_path(tccfolder)} rev-parse --abbrev-ref HEAD'
)
tcc_commit := a.cmd(
command: 'git -C ${os.quoted_path(tccfolder)} describe --abbrev=8 --dirty --always --tags'
)
a.line('tcc git status', '${tcc_branch_name} ${tcc_commit}')
}
}
fn (mut a App) report_info() {
for x in a.report_lines {
println(x)
}
}
fn is_writable_dir(path string) bool {
os.ensure_folder_is_writable(path) or { return false }
return true
}
fn diagnose_dir(path string) string {
mut diagnostics := []string{}
if !is_writable_dir(path) {
diagnostics << 'NOT writable'
}
if path.contains(' ') {
diagnostics << 'contains spaces'
}
path_non_ascii_runes := path.runes().filter(it > 255)
if path_non_ascii_runes.len > 0 {
diagnostics << 'contains these non ASCII characters: ${path_non_ascii_runes}'
}
if diagnostics.len == 0 {
diagnostics << 'OK'
}
return diagnostics.join(', ')
}
fn main() {
mut app := App{}
app.vexe = os.getenv('VEXE')
app.collect_info()
app.report_info()
}