mirror of
https://github.com/ivabus/pantry
synced 2024-09-20 16:50:50 +03:00
72 lines
1.6 KiB
TypeScript
Executable file
72 lines
1.6 KiB
TypeScript
Executable file
#!/usr/bin/env -S tea -E
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/* ---
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args:
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- deno
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- run
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- --allow-net
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- --allow-run
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- --allow-env
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- --allow-read
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- --allow-write={{tea.prefix}}
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- --import-map={{ srcroot }}/import-map.json
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--- */
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import { Path } from "types"
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import { undent } from "utils"
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import useFlags from "hooks/useFlags.ts"
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useFlags()
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const has_shebang = (() => {
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const encoder = new TextDecoder()
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return (buf: Uint8Array) => {
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return encoder.decode(buf) == '#!'
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}
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})()
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for (const path of Deno.args) {
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if (!Path.cwd().join(path).isFile()) continue
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console.debug({ path })
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const rid = await Deno.open(path, { read: true })
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try {
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const buf = new Uint8Array(2)
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await rid.read(buf)
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if (!has_shebang(buf)) continue
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} finally {
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rid.close()
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}
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//FIXME this could be pretty damn efficient if we can find the time
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//NOTE as it stands this is HIDEOUSLY inefficient
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const contents = await Deno.readFile(path)
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const txt = new TextDecoder().decode(contents)
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const [line0, ...lines] = txt.split("\n") //lol
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const match = line0.match(/^#!\s*(\/[^\s]+)/)
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if (!match) throw new Error()
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const interpreter = match[1]
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switch (interpreter) {
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case "/usr/bin/env":
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case "/bin/sh":
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console.verbose({ line0, path })
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console.verbose("^^ skipped acceptable shebang")
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continue
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}
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const shebang = `#!/usr/bin/env ${new Path(interpreter).basename()}`
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const rewrite = undent`
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${shebang}
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${lines.join("\n")}
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`
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console.verbose({rewrote: path, to: `#!/usr/bin/env ${interpreter}`})
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await Deno.writeFile(path, new TextEncoder().encode(rewrite))
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}
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