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feat: support reproducible builds using SOURCE_DATE_EPOCH #2646

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feat: support reproducible builds using SOURCE_DATE_EPOCH #2646

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5 changes: 4 additions & 1 deletion src/core/build/prod.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -35,7 +35,10 @@ export async function buildProduction(
// Write .output/nitro.json
const buildInfoPath = resolve(nitro.options.output.dir, "nitro.json");
const buildInfo: NitroBuildInfo = {
date: new Date().toJSON(),
date: (process.env.SOURCE_DATE_EPOCH
? new Date(Number(process.env.SOURCE_DATE_EPOCH) * 1000)
: new Date()
).toJSON(),
preset: nitro.options.preset,
framework: nitro.options.framework,
versions: {
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7 changes: 6 additions & 1 deletion src/rollup/plugins/public-assets.ts
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Expand Up @@ -41,6 +41,11 @@ export function publicAssets(nitro: Nitro): Plugin {
const assetData = await fsp.readFile(fullPath);
const etag = createEtag(assetData);
const stat = await fsp.stat(fullPath);
const mtime = (
process.env.SOURCE_DATE_EPOCH
? new Date(Number(process.env.SOURCE_DATE_EPOCH) * 1000)
: stat.mtime
).toJSON();

const assetId = "/" + decodeURIComponent(id);

Expand All @@ -55,7 +60,7 @@ export function publicAssets(nitro: Nitro): Plugin {
type: nitro._prerenderMeta?.[assetId]?.contentType || mimeType,
encoding,
etag,
mtime: stat.mtime.toJSON(),
mtime,
size: stat.size,
path: relative(nitro.options.output.serverDir, fullPath),
data:
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4 changes: 3 additions & 1 deletion src/rollup/plugins/server-assets.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -48,7 +48,9 @@ export function serverAssets(nitro: Nitro): Plugin {
type += "; charset=utf-8";
}
const etag = createEtag(await fsp.readFile(fsPath));
const mtime = await fsp.stat(fsPath).then((s) => s.mtime.toJSON());
const mtime = process.env.SOURCE_DATE_EPOCH
? new Date(Number(process.env.SOURCE_DATE_EPOCH) * 1000).toJSON()
: await fsp.stat(fsPath).then((s) => s.mtime.toJSON());
assets[id].meta = { type, etag, mtime };
}
}
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