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[194.254.61.41]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-4279f2cc244sm16706875e9.37.2024.07.12.02.32.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 12 Jul 2024 02:32:40 -0700 (PDT) From: Simon Tournier In-Reply-To: <87wmlsymd7.fsf@gnu.org> References: <87bk34113k.fsf@inria.fr> <877cds0z4l.fsf@gnu.org> <87wmlsymd7.fsf@gnu.org> Date: Fri, 12 Jul 2024 11:32:32 +0200 Message-ID: <87bk33hs5r.fsf@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable 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: , Errors-To: bug-guix-bounces+larch=yhetil.org@gnu.org Sender: bug-guix-bounces+larch=yhetil.org@gnu.org X-Migadu-Country: US X-Migadu-Flow: FLOW_IN X-Spam-Score: 2.60 X-Migadu-Queue-Id: 4F6F87FC0C X-Migadu-Scanner: mx10.migadu.com X-Migadu-Spam-Score: 2.60 X-TUID: nCxe5Yw+GgJH Hi Ludo, Thank you for the pedestrian report; I have learnt new stuff! :-) On Thu, 11 Jul 2024 at 17:33, Ludovic Court=C3=A8s wrote: > Presumably whether =E2=80=98builtin:git-download=E2=80=99 is used changes= the DAG > traversal order, which could explain this discrepancy. > > It does mean that all the users running an old guix-daemon find > themselves having no substitutes for =E2=80=98guix pull=E2=80=99. Ouch. Is it not only for grafts? Well, in addition, some input derivations are not the same: --8<---------------cut here---------------start------------->8--- 2 candidates: ./fy39r2y8dg2ycdzvnbqyfd1kpandnpxb-avahi-0.8.drv:3: ,[("/gnu/store/0q4nrqmh= 6ymhs4hmg9vmxa8zqx1y3d2z-dbus-1.14.0.drv",["out"]) ./fy39r2y8dg2ycdzvnbqyfd1kpandnpxb-avahi-0.8.drv:18: ,("/gnu/store/fflyi1= qg7j9kz0b062p6xf0904rc8xkm-dbus-1.14.0.drv",["out"]) --8<---------------cut here---------------end--------------->8--- compared to: --8<---------------cut here---------------start------------->8--- 2 candidates: ./vhj8f01bwddshnc75ar5z62ndcij4pgy-avahi-0.8.drv:9: ,("/gnu/store/6p17vdz= iv9vcp8l4c8v0xqj855gf257g-dbus-1.14.0.drv",["out"]) ./vhj8f01bwddshnc75ar5z62ndcij4pgy-avahi-0.8.drv:17: ,("/gnu/store/j6g0pc= hbj39pbg9b9bh7wafsd8kysvv3-dbus-1.14.0.drv",["out"]) --8<---------------cut here---------------end--------------->8--- Although the two derivations: /gnu/store/0q4nrqmh6ymhs4hmg9vmxa8zqx1y3d2z-dbus-1.14.0.drv /gnu/store/6p17vdziv9vcp8l4c8v0xqj855gf257g-dbus-1.14.0.drv builds: /gnu/store/hjc4rdifbl890j03xy2gsa7y2sqcg0mi-dbus-1.14.0. And similarly for the two others =E2=80=99dbus=E2=80=99 derivations; they b= uild the same outputs. Please also note that the two derivations do not have the same order for the builder part: --8<---------------cut here---------------start------------->8--- ,["/gnu/store/32kpijl743qn7v337i19dd1hph1rd6x7-avahi-0.8-builder","/gnu/sto= re/a6acf6dds8s9fw7dp5div03rwik0x4x2-module-import"] ,["/gnu/store/a6acf6dds8s9fw7dp5div03rwik0x4x2-module-import","/gnu/store/z= 1kanbslzb2lrr1hj922a50zkxl9jz28-avahi-0.8-builder"] --8<---------------cut here---------------end--------------->8--- And the two builder scripts are not the same because the item "/gnu/store/36my0g0j72b3vbz0gj1l8f0lmmgfkv3w-glib-2.72.3" is line 26 for one and line 30 for the other. Cheers, simon