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Sun, 04 Aug 2024 21:06:50 -0700 (PDT) MIME-Version: 1.0 From: Nicolas Odermatt-Lemay Date: Mon, 5 Aug 2024 00:06:39 -0400 Message-ID: Subject: Efficient iterative shepherd service development ? To: help-guix@gnu.org Received-SPF: pass client-ip=2607:f8b0:4864:20::435; envelope-from=nodermattlemay@gmail.com; helo=mail-pf1-x435.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, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-Mailman-Approved-At: Mon, 05 Aug 2024 13:22:16 -0400 Content-Type: text/plain; charset="UTF-8" X-Content-Filtered-By: Mailman/MimeDel 2.1.29 X-BeenThere: help-guix@gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: help-guix-bounces+larch=yhetil.org@gnu.org Sender: help-guix-bounces+larch=yhetil.org@gnu.org X-Migadu-Country: US X-Migadu-Flow: FLOW_IN X-Migadu-Queue-Id: 59D3038EC3 X-Migadu-Scanner: mx13.migadu.com X-Migadu-Spam-Score: -1.40 X-Spam-Score: -1.40 X-TUID: /6BGdPMqh2fK Hello Guix hackers ! I find myself spending a lot of time developing custom service types and, being a novice in Guile, I feel like I need to add a few lines of code at a time, test, and repeat. So far I've been working on the new service in its own file and I added this service in my operating-system definition. I then use `guix system reconfigure ...' to test the service. This workflow works but it is time consuming. It also adds a new operating system generation at each iteration, which is unnecessary. I also don't like the fact that I'm putting some code in my operating-system definition that I wasn't able to test beforehand. So I'd like to know the "Guix way", or just a more efficient way to do this type of development. Note that I'm mostly interested in service types that extend shepherd-service-type. My end goal would be to call something like `(test-my-service "path/to/service.scm")' and have it stop the service if it's running, reload its definition according to what's in "path/to/service.scm" and restart it. Would this be a way to go ? If it is, how could this be implemented ? And do you have any other advice ? Thanks !