pantry/scripts/build/build.ts

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import { useCellar, usePantry, usePrefix } from "hooks"
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import { link, hydrate } from "prefab"
import { Installation, Package } from "types"
import useShellEnv, { expand } from "hooks/useShellEnv.ts"
import { run, undent, host, tuplize } from "utils"
import { str as pkgstr } from "utils/pkg.ts"
import fix_pkg_config_files from "./fix-pkg-config-files.ts"
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import Path from "path"
const cellar = useCellar()
const pantry = usePantry()
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const { platform } = host()
export interface BuildResult {
installation: Installation
src?: Path
}
export default async function _build(pkg: Package): Promise<BuildResult> {
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try {
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return await __build(pkg)
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} catch (e) {
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cellar.keg(pkg).isDirectory()?.isEmpty()?.rm() // dont leave empty kegs around
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throw e
}
}
async function __build(pkg: Package): Promise<BuildResult> {
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const [deps, wet, resolved] = await calc_deps()
await clean()
const env = mkenv()
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const dst = cellar.keg(pkg).mkpath()
const [src, src_tarball] = await fetch_src(pkg) ?? []
const installation = await build()
await link(installation)
await fix_binaries(installation)
await fix_pkg_config_files(installation)
return { installation, src: src_tarball }
//////// utils
async function calc_deps() {
const deps = await pantry.getDeps(pkg)
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const wet = await hydrate([...deps.runtime, ...deps.build])
deps.runtime.push(...wet.pkgs)
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const resolved = await Promise.all(wet.pkgs.map(pkg => cellar.resolve(pkg)))
return tuplize(deps, wet, resolved)
}
async function clean() {
const installation = await should_clean()
// If we clean deno.land, it breaks the rest of the process.
if (installation && installation.pkg.project !== "deno.land") {
console.log({ cleaning: installation.path })
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for await (const [path] of installation.path.ls()) {
// we delete contents rather than the directory itself to prevent broken vx.y symlinks
path.rm({ recursive: true })
}
}
async function should_clean() {
// only required as we aren't passing everything into hydrate
const depends_on_self = () => deps.build.some(x => x.project === pkg.project)
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const wet_dep = () => wet.pkgs.some(x => x.project === pkg.project)
// provided this package doesn't transitively depend on itself (yes this happens)
// clean out the destination prefix first
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if (!wet.bootstrap_required.has(pkg.project) && !depends_on_self() && !wet_dep()) {
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return await cellar.has(pkg)
}
}
}
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function mkenv() {
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const env = useShellEnv({ installations: resolved})
if (platform == 'darwin') {
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env['MACOSX_DEPLOYMENT_TARGET'] = ['11.0']
}
return env
}
async function build() {
const bld = src ?? Path.mktmp({ prefix: pkg.project }).join("wd").mkdir()
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const sh = await pantry.getScript(pkg, 'build', resolved)
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const brewkit = new URL(import.meta.url).path().parent().parent().join("brewkit")
const cmd = bld.parent().join("build.sh").write({ force: true, text: undent`
#!/bin/bash
set -e
set -o pipefail
set -x
cd "${bld}"
export SRCROOT="${bld}"
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${expand(env)}
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export PATH=${brewkit}:"$PATH"
${sh}
`
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}).chmod(0o700)
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// copy in auxillary files from pantry directory
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for await (const [path, {isFile}] of pantry.getYAML(pkg).path.parent().ls()) {
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if (isFile) {
path.cp({ into: bld.join("props").mkdir() })
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}
}
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await run({ cmd }) // WELCOME TO THE BUILD
return { path: dst, pkg }
}
async function fix_binaries(installation: Installation) {
const prefix = usePrefix().join("tea.xyz/var/pantry/scripts/brewkit")
const env = {
TEA_PREFIX: usePrefix().string,
}
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switch (host().platform) {
case 'darwin':
return await run({
cmd: [
prefix.join('fix-machos.rb'),
installation.path,
...['bin', 'lib', 'libexec'].map(x => installation.path.join(x)).filter(x => x.isDirectory())
],
env
})
case 'linux':
return await run({
cmd: [
prefix.join('fix-elf.ts'),
installation.path,
...[...deps.runtime, pkg].map(pkgstr)
],
env
})
}
}
}
async function fetch_src(pkg: Package): Promise<[Path, Path]> {
console.log('fetching', pkgstr(pkg))
// we run this as a script because we dont want these deps imported into *this* env
// since that leads to situations where we depend on things we didnt expect to
const script = new URL(import.meta.url).path().parent().parent().join('fetch.ts')
const proc = Deno.run({
cmd: [script.string, pkgstr(pkg)],
stdout: 'piped'
})
const out = await proc.output()
const [dstdir, tarball] = new TextDecoder().decode(out).split("\n")
return [new Path(dstdir), new Path(tarball)]
}