pantry/scripts/bottle.ts

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#!/usr/bin/env -S tea -E
/* ---
args:
- deno
- run
- --allow-net
- --allow-run
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- --allow-env
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- --allow-read
- --allow-write
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- --import-map={{ srcroot }}/import-map.json
--- */
import { Installation, parsePackageRequirement } from "types"
import { Path } from "types"
import useCellar from "hooks/useCellar.ts"
import { run } from "utils"
import useCache from "hooks/useCache.ts"
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import useFlags from "hooks/useFlags.ts"
import { crypto } from "deno/crypto/mod.ts"
import { encodeToString } from "encodeToString"
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const cellar = useCellar()
const filesListName = 'files.txt'
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//-------------------------------------------------------------------------- main
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if (import.meta.main) {
useFlags()
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const bottles: Path[] = []
const fileLists: Path[] = []
for (const pkg of Deno.args.map(parsePackageRequirement)) {
console.log({ bottling: { pkg } })
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const installation = await cellar.resolve(pkg)
const path = await bottle(installation)
const checksum = await sha256(path)
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if (!path) throw new Error("wtf: bottle already exists")
if (!checksum) throw new Error("failed to compute checksum")
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console.log({ bottled: { path } })
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bottles.push(path)
bottles.push(checksum)
fileLists.push(installation.path.join(filesListName))
}
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if (bottles.length === 0) throw new Error("no input provided")
const encode = (() => { const e = new TextEncoder(); return e.encode.bind(e) })()
const bottleList = bottles.map(x => x.string).join(" ")
await Deno.stdout.write(encode(`::set-output name=bottles::${bottleList}\n`))
const paths = [...bottles, ...fileLists].map(x => x.string).join('%0A')
await Deno.stdout.write(encode(`::set-output name=filenames::${paths}\n`))
}
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//------------------------------------------------------------------------- funcs
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export async function bottle({ path: kegdir, pkg }: Installation): Promise<Path> {
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const files = await walk(kegdir, path => {
/// HACK: `go` requires including the `src` dir
const isGo = kegdir.string.match(/\/go.dev\//)
switch (path.relative({ to: kegdir })) {
case 'src':
return isGo ? 'accumulate' : 'skip'
case 'build.sh':
case filesListName:
return 'skip'
default:
return 'accumulate'
}
})
const relativePaths = files.map(x => x.relative({ to: cellar.prefix }))
const filelist = kegdir
.join(filesListName)
.write({
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text: relativePaths.join("\n"),
force: true
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})
const tarball = useCache().bottle(pkg)
await run({
cmd: [
"tar", "zcf", tarball, "--files-from", filelist
],
cwd: cellar.prefix
})
return tarball
}
// using our own because of: https://github.com/denoland/deno_std/issues/1359
// but frankly this also is more suitable for our needs here
type Continuation = 'accumulate' | 'skip'
export async function walk(root: Path, body: (entry: Path) => Continuation): Promise<Path[]> {
const rv: Path[] = []
const stack: Path[] = [root]
do {
root = stack.pop()!
for await (const [path, entry] of root.ls()) {
switch (body(path)) {
case 'accumulate':
if (entry.isDirectory) {
stack.push(path)
} else {
rv.push(path)
}
break
case 'skip':
continue
}
}
} while (stack.length > 0)
return rv
}
async function sha256(file: Path): Promise<Path> {
const file_contents = await Deno.readFile(file.string)
const checksum = encodeToString(new Uint8Array(await crypto.subtle.digest("SHA-256", file_contents)))
const checksum_contents = new TextEncoder().encode(`${checksum} ${file.basename()}`)
const checksum_file = new Path(`${file.string}.sha256sum`)
await Deno.writeFile(checksum_file.string, checksum_contents)
return checksum_file
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}