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Tue, 6 Apr 2021 13:24:00 -0400 (EDT) Date: Tue, 6 Apr 2021 13:23:58 -0400 From: Leo Famulari Message-ID: References: <87eefu30a4.fsf@gnu.org> <87im56l6es.fsf@yamatai> <87wntm8j18.fsf@ambrevar.xyz> <87a6qil4b1.fsf@yamatai> <87a6qiz5b3.fsf@ambrevar.xyz> <871rbtc3j5.fsf@netris.org> <87r1js9udv.fsf@netris.org> <87sg47vp16.fsf@ambrevar.xyz> <875z139liy.fsf@netris.org> <87ft04sefs.fsf@gnu.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <87ft04sefs.fsf@gnu.org> X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-BeenThere: bug-guix@gnu.org List-Id: Bug reports for GNU Guix List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Pierre Neidhardt , 33848@debbugs.gnu.org Errors-To: bug-guix-bounces+larch=yhetil.org@gnu.org Sender: "bug-Guix" X-Migadu-Flow: FLOW_IN ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=yhetil.org; s=key1; t=1617729946; 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aspmx1.migadu.com; dkim=fail ("headers rsa verify failed") header.d=famulari.name header.s=mesmtp header.b=qdp91RSy; dkim=fail ("headers rsa verify failed") header.d=messagingengine.com header.s=fm2 header.b=NiStYwo6; spf=pass (aspmx1.migadu.com: domain of bug-guix-bounces@gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=bug-guix-bounces@gnu.org X-Migadu-Spam-Score: 0.06 Authentication-Results: aspmx1.migadu.com; dkim=fail ("headers rsa verify failed") header.d=famulari.name header.s=mesmtp header.b=qdp91RSy; dkim=fail ("headers rsa verify failed") header.d=messagingengine.com header.s=fm2 header.b=NiStYwo6; dmarc=none; spf=pass (aspmx1.migadu.com: domain of bug-guix-bounces@gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=bug-guix-bounces@gnu.org X-Migadu-Queue-Id: E0DA2237CF X-Spam-Score: 0.06 X-Migadu-Scanner: scn0.migadu.com X-TUID: Kk79PtKEyTs6 On Mon, Apr 05, 2021 at 09:45:43PM +0200, Ludovic Courtès wrote: > The GC’s scanner still gets it wrong though. I wonder whether having > the grafting code more capable than the scanner could lead to bad > surprises. WDYT? I'm going off-topic, but I've wished we had a generic fast string-search (and replace?) procedure. The go-build-system has a slow "one byte a time" implementation because I couldn't figure out how to re-use the code in (guix build grafts): https://git.savannah.gnu.org/cgit/guix.git/tree/guix/build/go-build-system.scm?h=v1.2.0#n269 There are probably some other places we could use a fast procedure. It might even be something to add to Guile.