Method fillHeader

site/src/utils/tar.ts:314–339

(
		offset: number,
		opts: Partial<ITarWriteOptions>,
		fileType: TarFileType,
	)

	}

	private fillHeader(
		offset: number,
		opts: Partial<ITarWriteOptions>,
		fileType: TarFileType,
	) {
		const { uid, gid, mode, mtime, user, group } = {
			uid: 1000,
			gid: 1000,
			mode: fileType === TarFileTypeCodes.File ? 0o664 : 0o775,
			mtime: Math.trunc(Date.now() / 1000),
			user: "tarballjs",
			group: "tarballjs",
			...opts,
		};

		this.writeFileMode(mode, offset);
		this.writeFileUid(uid, offset);
		this.writeFileGid(gid, offset);
		this.writeFileMtime(mtime, offset);

		this.writeString("ustar", offset + 257, 6); // magic string
		this.writeString("00", offset + 263, 2); // magic version

		this.writeFileUser(user, offset);
		this.writeFileGroup(group, offset);
	}
}

function getArrayBuffer(file: string | ArrayBuffer | Uint8Array | Blob) {