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v/cmd/tools/install_binaryen.vsh

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#!/usr/bin/env -S v -raw-vsh-tmp-prefix tmp
import os
import net.http
const github_job = os.getenv('GITHUB_JOB')
struct JQ {
tag_name string
}
fn main() {
root := os.real_path(os.dir(os.getenv_opt('VEXE') or { @VEXE }))
os.chdir(root)! // make sure that the workfolder is stable
tloc := os.join_path(root, 'thirdparty')
loc := os.join_path(tloc, 'binaryen')
if os.exists(loc) {
eprintln('thirdparty/binaryen exists, will not overwrite')
eprintln('delete the folder, and execute again')
exit(1)
}
/*
// TODO: add retries here, github requests can fail
jq := http.get_text('https://api.github.com/repos/WebAssembly/binaryen/releases/latest')
tag := json.decode(JQ, jq)!.tag_name
if github_job != '' {
dump(jq)
dump(tag)
}
*/
tag := 'version_112'
name := $if windows {
'x86_64-windows'
} $else $if macos {
$if arm64 {
'arm64-macos'
} $else {
'x86_64-macos'
}
} $else $if linux {
'x86_64-linux'
} $else {
eprintln('A premade binary library is not available for your system.')
eprintln('Build it from source, following the documentation here: https://github.com/WebAssembly/binaryen/#building')
exit(1)
}
fname := 'binaryen-${tag}'
url := 'https://github.com/WebAssembly/binaryen/releases/download/${tag}/${fname}-${name}.tar.gz'
saveloc := os.join_path(tloc, '${fname}.tar.gz')
if !os.exists(saveloc) {
println('Downloading archive: ${saveloc}, from url: ${url} ...')
http.download_file(url, saveloc)!
// defer { os.rm(saveloc) or {}! }
}
println('Extracting `${tloc}/${fname}` to `${tloc}/binaryen` ...')
cmd := 'tar -xvf ${saveloc} --directory ${tloc}'
if os.system(cmd) != 0 {
eprintln('`${cmd}` exited with a non zero exit code')
exit(1)
}
println(cmd)
println('Moving `${tloc}/${fname}` to `${tloc}/binaryen` ...')
os.rename_dir('${tloc}/${fname}', loc)!
println('Done. You can now use `v -b wasm file.v` .')
}