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dotfiles/.bauke/scripts/copy-nixos-config.ts

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import { Command } from "./dependencies.ts";
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import { runAndReturnStdout } from "./utilities.ts";
async function main(): Promise<void> {
const { options } = await new Command()
.name("copy-nixos-config")
.description(
'Copy NixOS configuration from "$BAUKE_DIR/nix/<hostname>/" to "/etc/nixos/"',
)
.option("--hostname", "The machine's configuration to copy.", {
default: (await runAndReturnStdout({ cmd: ["hostname"] })).trim(),
})
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.option("--diff", 'Output diffs between local and "/etc/nixos/" files.', {
standalone: true,
})
.option(
"--rebuild <rebuild:string>",
'Run "sudo nixos-rebuild <rebuild>" after copying.',
)
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.parse(Deno.args);
const sourceDir = new URL(`../nix/${options.hostname}/`, import.meta.url);
const files = Array.from(Deno.readDirSync(sourceDir))
.filter((entry) => entry.name.endsWith(".nix"))
.map((entry) => sourceDir.pathname + entry.name);
if (options.diff) {
for (const file of files) {
const filename = file.slice(file.lastIndexOf("/") + 1);
await Deno.run({
cmd: ["delta", `/etc/nixos/${filename}`, file],
}).status();
}
return;
}
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await Deno.run({
cmd: [
"sudo",
"cp",
"--preserve=timestamps",
"--verbose",
...files,
"/etc/nixos/",
],
}).status();
if (options.rebuild) {
await Deno.run({
cmd: ["sudo", "nixos-rebuild", options.rebuild],
}).status();
}
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}
if (import.meta.main) {
void main();
}