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aspmx1.migadu.com; dkim=fail ("body hash did not verify") header.d=gmail.com header.s=20210112 header.b="J/YXgdyG"; dmarc=fail reason="SPF not aligned (relaxed)" header.from=gmail.com (policy=none); spf=pass (aspmx1.migadu.com: domain of "help-guix-bounces+larch=yhetil.org@gnu.org" designates 209.51.188.17 as permitted sender) smtp.mailfrom="help-guix-bounces+larch=yhetil.org@gnu.org" X-Migadu-Spam-Score: 6.13 Authentication-Results: aspmx1.migadu.com; dkim=fail ("body hash did not verify") header.d=gmail.com header.s=20210112 header.b="J/YXgdyG"; dmarc=fail reason="SPF not aligned (relaxed)" header.from=gmail.com (policy=none); spf=pass (aspmx1.migadu.com: domain of "help-guix-bounces+larch=yhetil.org@gnu.org" designates 209.51.188.17 as permitted sender) smtp.mailfrom="help-guix-bounces+larch=yhetil.org@gnu.org" X-Migadu-Queue-Id: E5F372FA5 X-Spam-Score: 6.13 X-Migadu-Scanner: scn0.migadu.com X-TUID: liPFdhaRTnop Thanks, Vagrant. > For changes going into upstream Guix, generally yes. Because guix is > functional package management, you need to know the hashes of your > inputs in advance. > > The exception might be that some upstream software provides a guix.scm > to be able to build from the current git checkout. For example, the GNU > Mes project: > > https://git.savannah.gnu.org/cgit/mes.git/tree/guix.scm > OK, I checked this scheme file, and it's just a four-line program, but I don't get it. So, help me here =E2=94=80 what is this *=E2=86=93=E2=86=93= =E2=86=93* `mes` code actually doing? (define %source-dir (dirname (current-filename))) (add-to-load-path (string-append %source-dir "/guix")) (use-modules (git mes)) mes.git Thanks again, C=C3=A1ssio