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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-Flow: FLOW_IN X-Migadu-Country: US X-Migadu-Queue-Id: AAACB51FB X-Migadu-Scanner: mx13.migadu.com X-Migadu-Spam-Score: -1.82 X-Spam-Score: -1.82 X-TUID: hXTNKhtut2Ib > Our releases should mean something. one thing i haven't seen mentioned: AFAIU, not any version of guix can pull and build another guix version. i.e= . when the guix command gets a new feature that is then used in the code th= at pulls and builds itself, then we have a bootstrap/staging problem not un= like with self-hosting compilers. compilers usually use versioned releases to also mark the stages where stag= e n-1 is guaranteed to be able to build stage n. i'm not sure how it is currently handled in guix. actually, i cannot come u= p with an example right now that requires bootstrapping, nor do i know how = guix time-machine handles this. i assume everything around the pulling and = building infrastructure is kept backwards compatible, so going back in time= is not an issue. but i do seem to remember a case where pulling from an old enough guix requ= ires manual staging with `guix pull --commit=3Dv1.2.3` to avoid pulling in = too fresh commits that the current guix command wouldn't be able to build. --=20 =E2=80=A2 attila lendvai =E2=80=A2 PGP: 963F 5D5F 45C7 DFCD 0A39 -- =E2=80=9CThe nation that will insist on drawing a broad line of demarcation= between the fighting man and the thinking man is liable to find its fighti= ng done by fools and its thinking done by cowards.=E2=80=9D =09=E2=80=94 Sir William Francis Butler (1838=E2=80=931910)