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List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: guix-devel-bounces+larch=yhetil.org@gnu.org Sender: "Guix-devel" X-Migadu-Flow: FLOW_IN X-Migadu-Country: US ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=yhetil.org; s=key1; t=1664974986; h=from:from:sender:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:list-id:list-help: list-unsubscribe:list-subscribe:list-post:dkim-signature; bh=w8+ArxZ6rfW3xqSphs9nOviMw7P4RsNuZloylA739f0=; b=kN/tWSVqAY+BD6upv3oUnHiaxCB1BTo1kg6sc6GiVNwYHUm7lKvLVVxr51gSqwWyL6TnIc AXlOdZNQ7mCprCm6JMcncVbiVxqQeHtOGvaZtWJ8M832hQ/A88AUbw+adYnSS3uD2CdAHe K+2eDoQROo5nRYD/TaboU6hfNjMkXrnSrIUCpdMoRvNVB08Ra9G/1OX79nBmkEQlwON4D+ 66TYVbLMa7bRwcpMj5zney2Kz46UUTSlscoru4nc6Y9IjZvmlYKjMqv+NivfSSToa2nQCO Tx9meLqSHPEBb3kLSBER15i8YKtn2gx0PnWauXYGsnzj8jd9cHIjdGy1r+1c2Q== ARC-Seal: i=2; s=key1; d=yhetil.org; t=1664974986; a=rsa-sha256; cv=pass; b=iqJBy9Fd+L4qnN0J0A5N082ehYQ5aSUmrqivyoAzISqZRFlqVKAYHVOxIfurHRuX7bITTV 05Y89rDkzLStHbVr0uSYnRguKCCrUMo4gwZfDpAja6YVOzN3dzX7DG4sxYK5vYUjxTi97X vBJ2nh4oa5uOy+9iwqovNf/6gviib6eWu6fnfo7v6O6/Pk4JJxIEURbJ5zCe4DbB6i1n5L 9v/mMsdViLA+tXkGTpy3rTLqddd9ZCABrnzoy/xrIvxikZIX2hjZpCNXC0ozt8KX36+fEj ne35xq3AveANq1QBAZlWeGunuVvMj+HrBgBqL4H8QGZK4OmwKFLKTFrqbru6vg== ARC-Authentication-Results: i=2; aspmx1.migadu.com; dkim=pass header.d=elephly.net header.s=zoho header.b=bDM5dDse; arc=pass ("zohomail.com:s=zohoarc:i=1"); dmarc=none; spf=pass (aspmx1.migadu.com: domain of "guix-devel-bounces+larch=yhetil.org@gnu.org" designates 209.51.188.17 as permitted sender) smtp.mailfrom="guix-devel-bounces+larch=yhetil.org@gnu.org" X-Migadu-Spam-Score: -3.36 Authentication-Results: aspmx1.migadu.com; dkim=pass header.d=elephly.net header.s=zoho header.b=bDM5dDse; arc=pass ("zohomail.com:s=zohoarc:i=1"); dmarc=none; spf=pass (aspmx1.migadu.com: domain of "guix-devel-bounces+larch=yhetil.org@gnu.org" designates 209.51.188.17 as permitted sender) smtp.mailfrom="guix-devel-bounces+larch=yhetil.org@gnu.org" X-Migadu-Queue-Id: 621BD376C6 X-Spam-Score: -3.36 X-Migadu-Scanner: scn1.migadu.com X-TUID: XLcBtpusOxQr Ludovic Court=C3=A8s writes: > Ricardo Wurmus skribis: > >> In my scenario I have two machines, one building stuff the other only >> substituting. The serving machine would be the one deciding whether to >> enforce substitutability or not. > > An is it too expensive for that machine to build grafts locally? It=E2=80=99s a matter of time. Having prepared the environment previously = on another fast machine I=E2=80=99d like to avoid repeating the same work agai= n on a slow machine. We needn=E2=80=99t restrict ourselves to substitutions =E2=80=94 if =E2=80= =9Cguix copy=E2=80=9D could work without first having to set up SSH that would be an equally valid solution to this problem. --=20 Ricardo