From debbugs-submit-bounces@debbugs.gnu.org Sat Oct 10 05:34:16 2020 Received: (at 43843) by debbugs.gnu.org; 10 Oct 2020 09:34:16 +0000 Received: from localhost ([127.0.0.1]:36978 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1kRBGZ-0004X6-Nh for submit@debbugs.gnu.org; Sat, 10 Oct 2020 05:34:16 -0400 Received: from sender4-of-o51.zoho.com ([136.143.188.51]:21195) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1kRBGW-0004Wv-SN for 43843@debbugs.gnu.org; Sat, 10 Oct 2020 05:34:14 -0400 ARC-Seal: i=1; a=rsa-sha256; t=1602322450; cv=none; d=zohomail.com; s=zohoarc; b=jmOu0ka2+QxAKYOOPFgB2EhFaZ/G0qfYdKz825LQO5gZR3b2TJ5UILjkfXx7m08RtOBu5sWFaCD35G/NT+Q6iIC17Rpm/IxPdQGRk0KCnZSY1r8hX2gLjrzzQSPAP8pO6aRI5XSOX/gxKVaKhWYQCCLQKp/DxrvAZMp00UGFK9E= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1602322450; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:MIME-Version:Message-ID:References:Subject:To; bh=1SQwIG7awJxfzeN+roOE5Q3HhfnpMoegdjGvjg9RTh0=; b=aVyLUVB7pqHMM0ogJmOZ7oOLMMwOR8D7EQvR6zHGBobfB7TUodN4Xq/b0axKURJOW53ZTm0Qy2GOLlYUWSimRjg8pu8PWrDVAyEKUsvC1FDjZIEz4GLeUryiuO0RS0PAZUY84ZAZSiqx5gB7gr/LVnPqnkMel+6gtQOdoXD1AbU= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass header.i=elephly.net; spf=pass smtp.mailfrom=rekado@elephly.net; dmarc=pass header.from= header.from= DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; t=1602322450; s=zoho; d=elephly.net; i=rekado@elephly.net; h=References:From:To:Cc:Subject:In-reply-to:Date:Message-ID:MIME-Version:Content-Type:Content-Transfer-Encoding; bh=1SQwIG7awJxfzeN+roOE5Q3HhfnpMoegdjGvjg9RTh0=; b=PmACIAHBuDAiG8UH7JEdqjsPXwZzdAn+AXO27n9pn/V9UTuOQn5AfssWVPIhyHEA Sk/rpVGcSKt3jJAxaBJ/X/lbE8pCpn5CGPkZUZKkK9VWKrq/s5DX93vTP3fUt77OCAm mDnkPNds8W73jYADEhUKJJ6xub7BXnVqxfFVi4mo= Received: from localhost (p4fd5a6de.dip0.t-ipconnect.de [79.213.166.222]) by mx.zohomail.com with SMTPS id 1602322448148127.56333129044799; Sat, 10 Oct 2020 02:34:08 -0700 (PDT) References: <87zh4y8gs8.fsf@gmail.com> <87blhdv2oi.fsf@kyleam.com> <20201008061713.GM21174@E5400> <86imbjqguw.fsf@gmail.com> User-agent: mu4e 1.4.13; emacs 27.1 From: Ricardo Wurmus To: zimoun Subject: Re: bug#43843: git-annex is not Reproducible In-reply-to: <86imbjqguw.fsf@gmail.com> X-URL: https://elephly.net X-PGP-Key: https://elephly.net/rekado.pubkey X-PGP-Fingerprint: BCA6 89B6 3655 3801 C3C6 2150 197A 5888 235F ACAC Date: Sat, 10 Oct 2020 11:35:50 +0200 Message-ID: <87a6wuzamh.fsf@elephly.net> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-ZohoMailClient: External X-Spam-Score: -0.0 (/) X-Debbugs-Envelope-To: 43843 Cc: Kyle Meyer , Efraim Flashner , 43843@debbugs.gnu.org X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -1.0 (-) zimoun writes: > Dear, > > On Thu, 08 Oct 2020 at 09:17, Efraim Flashner wro= te: > >>> $ guix time-machine --commit=3De13fefbcffa50144d9301d67b61928ac3c96= 4fb3 -- >>> build --no-grafts --check git-annex >>> guix build: error: derivation >>> `/gnu/store/5illriaaijqrhl17aymzgiw6wzaq666s-git-annex-8.20200810.drv' = may >>> not be deterministic: output >>> `/gnu/store/32h0xbqdwkm22naqba10fk9124cdgw9q-git-annex-8.20200810' diff= ers >>> >>> However, going back one more to 35e24fab73 (gnu: git-annex: Update to >>> 8.20200810, 2020-08-11), the check was successful: >>> >>> $ guix time-machine --commit=3D35e24fab73bc450c6e0d3b9a5bbdfa88d2c4= 25f4 -- >>> build --no-grafts --check git-annex >>> [...] >>> /gnu/store/m79ri0g2s3d8pk52ysjkdvallk2zqbwb-git-annex-8.20200810 > >> In between those two commits is also the change to the haskell build >> system update, where we use the dynamic libraries. The best bet is to >> make sure the dependencies are built reproducibly. > > Yep, it is what =E2=80=9Cgit bisect=E2=80=9D says. > > --8<---------------cut here---------------start------------->8--- > 67cb9fa2357026ee42ec5bb0923ec4dc4a43abe2 is the first bad commit > commit 67cb9fa2357026ee42ec5bb0923ec4dc4a43abe2 > Author: Ricardo Wurmus > Date: Tue Jun 16 22:25:48 2020 +0200 > > build-system/haskell: Support parallel builds. > > * guix/build-system/haskell.scm (haskell-build): Add keyword > PARALLEL-BUILD? > and pass it on to the builder. > * guix/build/haskell-build-system.scm (build): Accept keyword > PARALLEL-BUILD? > and pass the number of parallel jobs to GHC. > > guix/build-system/haskell.scm | 2 ++ > guix/build/haskell-build-system.scm | 7 +++++-- > 2 files changed, 7 insertions(+), 2 deletions(-) > bisect run success > --8<---------------cut here---------------end--------------->8--- Shall we revert it? Previously the build system also supported parallel builds, but didn=E2=80=99t seem to pass the right arguments to actually mak= e it happen. --=20 Ricardo