Date: Thu, 11 Aug 2011 22:12:16 +0100 From: Chris Rees <utisoft@gmail.com> To: "Julian H. Stacey" <jhs@berklix.com> Cc: "ctm-users@freebsd.org" <ctm-users@freebsd.org> Subject: Re: Use of xz instead of gzip Message-ID: <CADLo838v4ywNUsC-jUYvNni%2BZ37Y1xsDjboNcm7X-%2BLdQeXnQA@mail.gmail.com> In-Reply-To: <201108101503.p7AF3A5L081336@fire.js.berklix.net> References: <CADLo839=-Wc6cohQ24otOjFN-_jw9CfAjfJt5eJGeS85RU=V0A@mail.gmail.com> <201108101503.p7AF3A5L081336@fire.js.berklix.net>
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On 10 August 2011 16:03, Julian H. Stacey <jhs@berklix.com> wrote: > Hi, > Reference: >> From: =A0 =A0 =A0 =A0 Chris Rees <utisoft@gmail.com> >> Date: =A0 =A0 =A0 =A0 Wed, 10 Aug 2011 14:17:01 +0100 >> Message-id: =A0 <CADLo839=3D-Wc6cohQ24otOjFN-_jw9CfAjfJt5eJGeS85RU=3DV0A= @mail.gmail.com> > > Chris Rees wrote: >> --20cf307f3aaee51c1704aa267e44 >> Content-Type: text/plain; charset=3DISO-8859-1 >> >> On 10 Aug 2011 13:53, "Julian H. Stacey" <jhs@berklix.com> wrote: >> > >> > > I can see this presenting a problem on 7.x (and earlier, but they ar= e >> > > no longer supported) because the base system shouldn't have dependen= cies >> > > on ports. =A0The options would seem to be: >> > > 1) Stick with gzip for 7-src and earlier (as well as ports until 7.x >> > > =A0 =A0goes EOL) >> > >> > (Not that I'm suggesting for or against Option 1, but it needs modifyi= ng, >> > Applying the same logic, append to Option 1: "as well as cvs-cur" >> > =A0 =A0 =A0 =A0(as cvs can be used to extract eg 4 & ports & doc as we= ll as head). >> > As the ctm collection comprises: >> > =A0 =A0 =A0 =A0 cvs-cur ports-cur src-4 src-5 src-6 src-7 src-8 src-cu= r >> > Option 1 thus becomes "Stick with gzip for all except src-8 & src-cur" >> > >> > Whether a CTM src-stable stream is EOL is irrelevant. >> > All that matters is whether extractor hosts have xz or not. >> > =A0One does not need to run ctm on same `uname -r` as one extracts for= , >> > eg my CTM extractor runs on 8.3, but I extract for all of >> > =A0 =A0 =A0 =A0cvs-cur ports-cur src-4 src-5 src-6 src-7 src-8 src-cur >> > Some (4, maybe 6) have long been EOL, but I use them for reasons beyon= d >> > remit of this thread. >> > >> > >> > > 2) Make ctm a port (so it can have a dependency on xz) >> > >> > I cant imagine many CTM users saying "please kick CTM out of src/" ;-) >> > >> > >> > > 3) If dispensation is granted, >> > >> > Dispensation for what ? >> > >> > >> > > =A0 =A0ensure the dependency is documented in >> > > =A0 =A0UPDATING and ctm.1 when it is MFC'd to 7.x and before. >> > >> > Man ctm says: "The ctm command appeared in FreeBSD 2.1" >> > In theory someone could be extracting on a really old host ? >> > We might be lucky & find all people are extracting on 8.x ? >> > We won't know unless we ask, >> > Stephen could request on ctm-announce@ eg: >> > =A0"People extracting CTM on old systems are requested to run >> > =A0 =A0 =A0 =A0uname -r >> > =A0& if not 8.something-RELEASE or current, report to ....@.... >> > >> > Personaly, I'd think an acceptable middle course could be to switch to >> > whatever reduces the CTM bandwidth the most & put a note in man ctm: >> > =A0 =A0 =A0 =A0"If running FreeBSD-x or earlier you need to >> > =A0 =A0 =A0 =A0 cd /usr/ports/archivers/xz ; make install" >> > >> >> How does a manpage entry help? It'll only appear on later versions, wher= e >> It's irrelevant, and not appear on earlier versions, where it would help= ! > > I see what you mean, but often I read a manual on 1 host while > running a prog on another. Notleast cos newer manuals sometimes > list more limitations, eg this. Adding a note to manual would be useful, > > As above would Stephen's run time err. message. > >> Perhaps a note could be put into the Handbook entry? > > Sure, good idea. though not all have handbook, not all on line, > (though personaly I mirror handbook to laptop for ref. before traveling). > >> Content-Type: text/html; charset=3DISO-8859-1 >> Content-Transfer-Encoding: quoted-printable > > Duplicate ;-). > > Cheers, > Julian Suitably chastised, I'm sorry. Blame the gmail Android app :( Chris --=20 Chris Rees =A0 =A0 =A0 =A0 =A0| FreeBSD Developer crees@FreeBSD.org =A0 | http://people.freebsd.org/~crees
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