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[72.10.129.91]) by smtp.gmail.com with ESMTPSA id g20-20020a05620a40d400b0077a029b7bf1sm1110489qko.28.2023.11.08.06.45.54 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 08 Nov 2023 06:45:55 -0800 (PST) From: Maxim Cournoyer <maxim.cournoyer@gmail.com> To: Felix Lechner <felix.lechner@lease-up.com> Cc: Suhail <suhail@bayesians.ca>, Felix Lechner via <help-guix@gnu.org>, Julien Lepiller <julien@lepiller.eu>, Simon Tournier <zimon.toutoune@gmail.com> Subject: Re: Turning off tests leads to a different store item In-Reply-To: <871qd19cqn.fsf@lease-up.com> (Felix Lechner's message of "Tue, 07 Nov 2023 18:53:52 -0800") References: <65429087.0c0a0220.5908c.4d60SMTPIN_ADDED_BROKEN@mx.google.com> <87zfzpie51.fsf@gmail.com> <871qd19cqn.fsf@lease-up.com> Date: Wed, 08 Nov 2023 09:45:53 -0500 Message-ID: <878r78gv6m.fsf@gmail.com> User-Agent: Gnus/5.13 (Gnus v5.13) MIME-Version: 1.0 Content-Type: text/plain Received-SPF: pass client-ip=2607:f8b0:4864:20::729; envelope-from=maxim.cournoyer@gmail.com; helo=mail-qk1-x729.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: help-guix@gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: <help-guix.gnu.org> List-Unsubscribe: <https://lists.gnu.org/mailman/options/help-guix>, <mailto:help-guix-request@gnu.org?subject=unsubscribe> List-Archive: <https://lists.gnu.org/archive/html/help-guix> List-Post: <mailto:help-guix@gnu.org> List-Help: <mailto:help-guix-request@gnu.org?subject=help> List-Subscribe: <https://lists.gnu.org/mailman/listinfo/help-guix>, <mailto:help-guix-request@gnu.org?subject=subscribe> Errors-To: help-guix-bounces+larch=yhetil.org@gnu.org Sender: help-guix-bounces+larch=yhetil.org@gnu.org X-Migadu-Flow: FLOW_IN X-Migadu-Country: US X-Migadu-Spam-Score: -7.92 X-Spam-Score: -7.92 X-Migadu-Queue-Id: 5A23B40230 X-Migadu-Scanner: mx13.migadu.com X-TUID: MgetrXCQxaqp Hi Felix, Felix Lechner <felix.lechner@lease-up.com> writes: > Hi, > > On Tue, Nov 07 2023, Maxim Cournoyer wrote: > >>> Felix Lechner via <help-guix@gnu.org> writes: >>> >>>> Those shortfalls are a consequence of our packaging habits. In an ideal >>>> world, would running a test suite ever build a different derivation? >> >> You seem to be confusing 'derivation', which is the build recipe >> description that a package "compiles" to, with the package output, the >> result of executing the derivation. [...] > A source tree should produce the same derivation regardless of whether > build-time tests ran or didn't. It should also pull the same substitute. A source tree doesn't produce a derivation. A derivation is the complete build recipe that captures the source and the package definition, that when built by the daemon produces a store item. Earlier in the thread, I've mentioned that running a test suite can have side effects such as happened in the past in Python with timestamps being written to the loaded .pyc files when running test suites; we can't ensure the test suite has no side-effects on the rest of the package, so we can't simply assume building with #:tests? #f produces the same as when building with #:tests? #t. And to come back to the original idea: building with the tests run makes sense for a distribution -- it's one of the rare things we have at our disposal to ensure things are properly integrated and keep working. -- Thanks, Maxim