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envelope-from=suhailsingh247@gmail.com; helo=mail-qv1-xf43.google.com X-Spam_score_int: -17 X-Spam_score: -1.8 X-Spam_bar: - X-Spam_report: (-1.8 / 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_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=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-BeenThere: guix-devel@gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Development of GNU Guix and the GNU System distribution." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: guix-devel-bounces+larch=yhetil.org@gnu.org Sender: guix-devel-bounces+larch=yhetil.org@gnu.org X-Migadu-Country: US X-Migadu-Flow: FLOW_IN X-Migadu-Spam-Score: -5.49 X-Spam-Score: -5.49 X-Migadu-Queue-Id: 8263C8310F X-Migadu-Scanner: mx10.migadu.com X-TUID: hjrfjXu6LtUs Ricardo Wurmus writes: >>> guix pull ("38k new commits"): 21m45s >>> guix pull immediately after: 2m25s >>> ... >>> >>> nix-channel --update: 0m23s >> >> Those are some interesting comparisons. Is the reason guix pull takes >> so long as compared to updating nix-channel primarily due to the >> authentication of commits? Or something else? > > It's "something else". This is a comparison between apples and > giraffes. "guix pull" does a different job than "nix-channel"; the > latter only needs to download a new version of inert data whereas the > former computes a trampoline and then updates Guix itself. > > The fundamental difference is that Guix is a library, not merely > "package metadata" that would be independent of the Guix executable. Thank you for that explanation. -- Suhail