Date: Mon, 11 Jun 2012 18:38:20 -0600 (MDT) From: Warren Block <wblock@wonkity.com> To: Mel Flynn <rflynn@acsalaska.net> Cc: Chris Rees <crees@freebsd.org>, Mark Linimon <linimon@lonesome.com>, Scot Hetzel <swhetzel@gmail.com>, Andriy Gapon <avg@freebsd.org>, freebsd-ports@freebsd.org Subject: Re: UID/GID_OFFSET (Was: Re: WITH_GCC) Message-ID: <alpine.BSF.2.00.1206111829410.85641@wonkity.com> In-Reply-To: <4FBFF63D.7010404@acsalaska.net> References: <CAGFTUwPUFdP=Z20%2BbL59qFuh_V6R1R-GcyrK03dxESL6ZyGz7A@mail.gmail.com> <4F578AA7.4060008@FreeBSD.org> <4F990D9A.3090100@FreeBSD.org> <4FA643FA.3050206@FreeBSD.org> <4FAB6E01.50108@FreeBSD.org> <CACdU%2Bf_77t7GCH2hm3hwcK2i%2BTcHUq_aBP4a7SeghQhGz3soDg@mail.gmail.com> <4FAC2EC1.8040708@FreeBSD.org> <20120517014743.GB5348@lonesome.com> <alpine.BSF.2.00.1205172027340.62885@wonkity.com> <CADLo838i1pydvZrzMbq=kJrg%2BHHyGvSp%2Bxr2=piCLMaWaajq2Q@mail.gmail.com> <4FBFF63D.7010404@acsalaska.net>
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On Fri, 25 May 2012, Mel Flynn wrote: > On 20-5-2012 14:06, Chris Rees wrote: > >> Usually. Sometimes it's (ab)used to include the relevant bsd.*.mk >> file without adding dependencies (WANT_GNOME), but normally that's >> what WANT_ is used for. >> >> Definitely add a warning that if you want to use a WANT_ variable you >> should also check the relevant Mk/ files to check for syntax. > > What's also not consistent is the use of: > USE_FOO= 42+ > which is shorthand for: > USE_FOO= yes > WANT_FOO_VER= 42+ > > Anyway, since Warren is on the job, on one of my travels through pmk, I > turned a corner and met these totally awesome user settable variables: > UID_OFFSET > GID_OFFSET > > No docs on them in pmk itself or share/examples/etc/make.conf. What they > do is add the specified number to the UID and GID that a port defines by > using /usr/ports/{UIDS,GIDS}. This is extremely useful if you are using > multiple jails on one machine and don't want the uid's to clash (shared > memory for example). > It's also useful, if you have different providers for uid/gid > information through the use of NSS modules. Knowing that ports won't > ever get into your "module range" makes you sleep better. > Example in /etc/make.conf > UID_OFFSET= 20000 > GID_OFFSET= ${UID_OFFSET} # best to keep them equal > > Installing for example postgresql, will now use uid/gid 20070 instead of 70. Okay, I've finally cleared some room to work on this; sorry about the delay. My main question is where to add these descriptions. Should they go in existing sections where possible? Or are we talking about a new section, and if so, where? At the end of the Dependencies section?
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