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tools: improve the default performance/behaviour of oldv

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This commit is contained in:
Delyan Angelov 2021-04-07 12:22:51 +03:00
parent ff9837386a
commit cc80ee0ab4
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GPG Key ID: 66886C0F12D595ED
3 changed files with 115 additions and 38 deletions
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49
cmd/tools/modules/scripting/scripting.v
View File

@ -46,26 +46,25 @@ pub fn cprintln_strong(omessage string) {
pub fn verbose_trace(label string, message string) {
if os.getenv('VERBOSE').len > 0 {
slabel := '$time.now().format_ss_milli() scripting.$label'
cprintln('# ${slabel:-40s} : $message')
slabel := '$time.now().format_ss_milli() $label'
cprintln('# ${slabel:-43s} : $message')
}
}
pub fn verbose_trace_strong(label string, omessage string) {
if os.getenv('VERBOSE').len > 0 {
slabel := '$time.now().format_ss_milli() scripting.$label'
slabel := '$time.now().format_ss_milli() $label'
mut message := omessage
if scripting.term_colors {
message = term.bright_green(message)
}
cprintln('# ${slabel:-40s} : $message')
cprintln('# ${slabel:-43s} : $message')
}
}
pub fn verbose_trace_exec_result(x os.Result) {
if os.getenv('VERBOSE').len > 0 {
cprintln('# cmd.exit_code : ${x.exit_code.str():-4s} cmd.output:')
cprintln('# ----------------------------------- #')
mut lnum := 1
lines := x.output.split_into_lines()
for oline in lines {
@ -76,17 +75,37 @@ pub fn verbose_trace_exec_result(x os.Result) {
cprintln('# ${lnum:3d}: $line')
lnum++
}
cprintln('# ----------------------------------- #')
cprintln('# ----------------------------------------------------------------------')
}
}
fn modfn(mname string, fname string) string {
return '${mname}.$fname'
}
pub fn chdir(path string) {
verbose_trace_strong(@FN, 'cd $path')
verbose_trace_strong(modfn(@MOD, @FN), 'cd $path')
os.chdir(path)
}
pub fn mkdir(path string) ? {
verbose_trace_strong(modfn(@MOD, @FN), 'mkdir $path')
os.mkdir(path) or {
verbose_trace(modfn(@MOD, @FN), '## failed.')
return err
}
}
pub fn mkdir_all(path string) ? {
verbose_trace_strong(modfn(@MOD, @FN), 'mkdir -p $path')
os.mkdir_all(path) or {
verbose_trace(modfn(@MOD, @FN), '## failed.')
return err
}
}
pub fn rmrf(path string) {
verbose_trace_strong(@FN, 'rm -rf $path')
verbose_trace_strong(modfn(@MOD, @FN), 'rm -rf $path')
if os.exists(path) {
if os.is_dir(path) {
os.rmdir_all(path) or { panic(err) }
@ -98,10 +117,10 @@ pub fn rmrf(path string) {
// execute a command, and return a result, or an error, if it failed in any way.
pub fn exec(cmd string) ?os.Result {
verbose_trace_strong(@FN, cmd)
verbose_trace_strong(modfn(@MOD, @FN), cmd)
x := os.execute(cmd)
if x.exit_code != 0 {
verbose_trace(@FN, '## failed.')
verbose_trace(modfn(@MOD, @FN), '## failed.')
return error(x.output)
}
verbose_trace_exec_result(x)
@ -110,10 +129,10 @@ pub fn exec(cmd string) ?os.Result {
// run a command, tracing its results, and returning ONLY its output
pub fn run(cmd string) string {
verbose_trace_strong(@FN, cmd)
verbose_trace_strong(modfn(@MOD, @FN), cmd)
x := os.execute(cmd)
if x.exit_code < 0 {
verbose_trace(@FN, '## failed.')
verbose_trace(modfn(@MOD, @FN), '## failed.')
return ''
}
verbose_trace_exec_result(x)
@ -124,10 +143,10 @@ pub fn run(cmd string) string {
}
pub fn exit_0_status(cmd string) bool {
verbose_trace_strong(@FN, cmd)
verbose_trace_strong(modfn(@MOD, @FN), cmd)
x := os.execute(cmd)
if x.exit_code < 0 {
verbose_trace(@FN, '## failed.')
verbose_trace(modfn(@MOD, @FN), '## failed.')
return false
}
verbose_trace_exec_result(x)
@ -138,7 +157,7 @@ pub fn exit_0_status(cmd string) bool {
}
pub fn tool_must_exist(toolcmd string) {
verbose_trace(@FN, toolcmd)
verbose_trace(modfn(@MOD, @FN), toolcmd)
if exit_0_status('type $toolcmd') {
return
}

11
cmd/tools/modules/vgit/vgit.v
View File

@ -4,11 +4,6 @@ import os
import flag
import scripting
const (
remote_v_repo_url = 'https://github.com/vlang/v'
remote_vc_repo_url = 'https://github.com/vlang/vc'
)
pub fn check_v_commit_timestamp_before_self_rebuilding(v_timestamp int) {
if v_timestamp >= 1561805697 {
return
@ -164,9 +159,9 @@ pub mut:
pub fn add_common_tool_options(mut context VGitOptions, mut fp flag.FlagParser) []string {
tdir := os.temp_dir()
context.workdir = os.real_path(fp.string('workdir', `w`, tdir, 'A writable base folder. Default: $tdir'))
context.v_repo_url = fp.string('vrepo', 0, vgit.remote_v_repo_url, 'The url of the V repository. You can clone it locally too. See also --vcrepo below.')
context.vc_repo_url = fp.string('vcrepo', 0, vgit.remote_vc_repo_url, 'The url of the vc repository. You can clone it
context.workdir = os.real_path(fp.string('workdir', `w`, context.workdir, 'A writable base folder. Default: $tdir'))
context.v_repo_url = fp.string('vrepo', 0, context.v_repo_url, 'The url of the V repository. You can clone it locally too. See also --vcrepo below.')
context.vc_repo_url = fp.string('vcrepo', 0, context.vc_repo_url, 'The url of the vc repository. You can clone it
${flag.space}beforehand, and then just give the local folder
${flag.space}path here. That will eliminate the network ops
${flag.space}done by this tool, which is useful, if you want

93
cmd/tools/oldv.v
View File

@ -29,22 +29,20 @@ const (
struct Context {
mut:
vgo vgit.VGitOptions
commit_v string = 'master'
// the commit from which you want to produce a working v compiler (this may be a commit-ish too)
commit_vc string = 'master'
// this will be derived from commit_v
vgo vgit.VGitOptions
vgcontext vgit.VGitContext
commit_v string = 'master' // the commit from which you want to produce a working v compiler (this may be a commit-ish too)
commit_v_hash string // this will be filled from the commit-ish commit_v using rev-list. It IS a commit hash.
path_v string // the full path to the v folder inside workdir.
path_vc string // the full path to the vc folder inside workdir.
cmd_to_run string // the command that you want to run *in* the oldv repo
cc string = 'cc'
// the C compiler to use for bootstrapping.
cleanup bool // should the tool run a cleanup first
cc string = 'cc' // the C compiler to use for bootstrapping.
cleanup bool // should the tool run a cleanup first
use_cache bool // use local cached copies for --vrepo and --vcrepo in
}
fn (mut c Context) compile_oldv_if_needed() {
mut vgit_context := vgit.VGitContext{
c.vgcontext = vgit.VGitContext{
workdir: c.vgo.workdir
v_repo_url: c.vgo.v_repo_url
vc_repo_url: c.vgo.vc_repo_url
@ -53,28 +51,91 @@ fn (mut c Context) compile_oldv_if_needed() {
path_v: c.path_v
path_vc: c.path_vc
}
vgit_context.compile_oldv_if_needed()
c.commit_v_hash = vgit_context.commit_v__hash
if !os.exists(vgit_context.vexepath) && c.cmd_to_run.len > 0 {
c.vgcontext.compile_oldv_if_needed()
c.commit_v_hash = c.vgcontext.commit_v__hash
if !os.exists(c.vgcontext.vexepath) && c.cmd_to_run.len > 0 {
// NB: 125 is a special code, that git bisect understands as 'skip this commit'.
// it is used to inform git bisect that the current commit leads to a build failure.
exit(125)
}
}
const cache_oldv_folder = os.join_path(os.cache_dir(), 'oldv')
const cache_oldv_folder_v = os.join_path(cache_oldv_folder, 'v')
const cache_oldv_folder_vc = os.join_path(cache_oldv_folder, 'vc')
fn sync_cache() {
scripting.verbose_trace(@FN, 'start')
if !os.exists(cache_oldv_folder) {
scripting.verbose_trace(@FN, 'creating $cache_oldv_folder')
scripting.mkdir_all(cache_oldv_folder) or {
scripting.verbose_trace(@FN, '## failed.')
exit(1)
}
}
scripting.chdir(cache_oldv_folder)
for reponame in ['v', 'vc'] {
repofolder := os.join_path(cache_oldv_folder, reponame)
if !os.exists(repofolder) {
scripting.verbose_trace(@FN, 'cloning to $repofolder')
scripting.exec('git clone --quiet https://github.com/vlang/$reponame $repofolder') or {
scripting.verbose_trace(@FN, '## error during clone: $err')
exit(1)
}
}
scripting.chdir(repofolder)
scripting.exec('git pull --quiet') or {
scripting.verbose_trace(@FN, 'pulling to $repofolder')
scripting.verbose_trace(@FN, '## error during pull: $err')
exit(1)
}
}
scripting.verbose_trace(@FN, 'done')
}
fn main() {
scripting.used_tools_must_exist(['git', 'cc'])
//
// Resetting VEXE here allows for `v run cmd/tools/oldv.v'.
// the parent V would have set VEXE, which later will
// affect the V's run from the tool itself.
os.setenv('VEXE', '', true)
//
mut context := Context{}
context.vgo.workdir = cache_oldv_folder
mut fp := flag.new_flag_parser(os.args)
fp.application(os.file_name(os.executable()))
fp.version(tool_version)
fp.description(tool_description)
fp.arguments_description('VCOMMIT')
fp.skip_executable()
fp.limit_free_args(1, 1)
context.cleanup = fp.bool('clean', 0, true, 'Clean before running (slower).')
context.use_cache = fp.bool('cache', `u`, true, 'Use a cache of local repositories for --vrepo and --vcrepo in \$HOME/.cache/oldv/')
if context.use_cache {
context.vgo.v_repo_url = cache_oldv_folder_v
context.vgo.vc_repo_url = cache_oldv_folder_vc
} else {
context.vgo.v_repo_url = 'https://github.com/vlang/v'
context.vgo.vc_repo_url = 'https://github.com/vlang/vc'
}
should_sync := fp.bool('cache-sync', `s`, false, 'Update the local cache')
if !should_sync {
fp.limit_free_args(1, 1)
}
////
context.cleanup = fp.bool('clean', 0, false, 'Clean before running (slower).')
context.cmd_to_run = fp.string('command', `c`, '', 'Command to run in the old V repo.\n')
commits := vgit.add_common_tool_options(mut context.vgo, mut fp)
if should_sync {
sync_cache()
exit(0)
}
if context.use_cache {
if !os.is_dir(cache_oldv_folder_v) || !os.is_dir(cache_oldv_folder_vc) {
sync_cache()
}
}
if commits.len > 0 {
context.commit_v = commits[0]
} else {
@ -102,7 +163,9 @@ fn main() {
if context.cmd_to_run.len > 0 {
scripting.cprintln_strong('# command: ${context.cmd_to_run:-34s}')
cmdres := os.execute_or_panic(context.cmd_to_run)
scripting.cprintln_strong('# exit code: ${cmdres.exit_code:-4d}')
if cmdres.exit_code != 0 {
scripting.cprintln_strong('# exit code: ${cmdres.exit_code:-4d}')
}
scripting.cprint_strong('# result: ')
print(cmdres.output)
exit(cmdres.exit_code)