Date: Tue, 28 Apr 2015 19:19:23 +0200 From: Willem Jan Withagen <wjw@digiware.nl> To: Matthew Seaman <matthew@FreeBSD.org>, freebsd-pkg@freebsd.org Subject: Re: Upgrading postfixadmin leads to strange upgrades Message-ID: <553FC11B.1060503@digiware.nl> In-Reply-To: <553F847C.5040004@FreeBSD.org> References: <553F7E50.9000504@digiware.nl> <553F847C.5040004@FreeBSD.org>
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On 28-4-2015 15:00, Matthew Seaman wrote: > On 2015/04/28 13:34, Willem Jan Withagen wrote: >> This output sort of scared me away from doing the upgrade this way.... >> >> # pkg upgrade postfixadmin >> New packages to be INSTALLED: >> php56-session: 5.6.8 >> php56: 5.6.8 >> perl5: 5.18.4_13 >> oniguruma4: 4.7.1_1 >> php56-xml: 5.6.8 >> php56-mbstring: 5.6.8 >> php56-xmlrpc: 5.6.8 >> php56-mysql: 5.6.8 >> >> Installed packages to be UPGRADED: >> postfixadmin: 2.3.5 -> 2.3.7_1 >> libxml2: 2.8.0_1 -> 2.9.2_2 >> pkgconf: 0.9.8 -> 0.9.10 >> php5-session: 5.4.13 -> 5.4.40 >> apache22: 2.2.25 -> 2.2.29_2 >> php5-xml: 5.4.13 -> 5.4.40 >> php5: 5.4.16 -> 5.4.40 >> pcre: 8.32 -> 8.35_2 >> php5-mbstring: 5.4.13 -> 5.4.40 >> php5-xmlrpc: 5.4.13 -> 5.4.40 >> php5-mysql: 5.4.13 -> 5.4.40 >> >> Especialy where there is going to be a mix of php54 (which is what this >> server is running) and newly installed php56 things.... >> And note that I end up with both 5.4 and 5.6 base installed? >> >> And for postfixadmin the requirements are "simple": >> - You are using Postfix 2.0 or higher. >> - You are using Apache 1.3.27 / Lighttpd 1.3.15 or higher. >> - You are using PHP 5.1.2 or higher. >> - You are using MySQL 3.23 or higher (5.x recommended) OR PostgreSQL 7.4 >> (or higher) >> >> So I could expect things to be upgraded in the 5.4 tree, but getting 5.6 >> as a bonus??? > > You're using the standard packages from the FreeBSD repo? In which case > php-5.6 is now the default -- so those php56 packages come from the new > dependencies of postfixadmin. Despite how it looks, you won't end up > with a mix of php-5.4 and php-5.6 as those two versions conflict with > each other. Instead, if you pressed 'Y' at that point, you'ld download > a number of new packages and then get another round of the solver. That > would either remove all the php-5.4 modules or get stuck trying to work > out how to handle some packages (other than what you wanted to > upgrade/install) depending on php-5.4 and some on php-5.6. > > (You can try: 'pkg fetch -u' and then 'pkg upgrade' to get a clearer > idea of what pkg(8) would ultimately do.) > > In general, just trying to upgrade one package when it is part of a > complex dependency tree, and especially when dependencies have switched > from one set of packages to another, is likely to run into difficulties. > At the moment, pkg(8) gives best results if you just upgrade everything > to the latest available all at once. Improved handling of piecemeal > updates is in the plans for pkg-1.6, but as we've only just released > pkg-1.5 you're going to have to wait some time for that. I think you answer is relatively fair. And quite expected. HOWEVER: On the other hand: postfixadmin is as simple as it comes and so are its dependencies. And it only needs php > 5.1.2. So why nag me with all that other stuff. And since it is on a customer server, the customer (and I) is/are not really in the mood for all kinds of quirks in other php code resulting form a 5.4 -> 5.6 upgrade.... Not before some serious testing anyways. My main peeve(s) with the requirement relations in the current pkg/packages is that: * sometimes requirements are overstated. The other thing I git bitten by sometimes is that an upgrade of a library delete the old version. So upgrading gets you from libxxxx.so.5 to libxxx.so.6. But the ...so.5 is deleted. Whereas I would love it to go into something like: /usr/compat/oldlibs/..... So that even I can continue to run some of the programs to that depended on that lib. (And yes, it's a dangerous one, since it might involve tricky ABI changes that would look like it works. But really gives garbage in the connercases.) So I resort a lot back to portmaster/portinstall/portupgrade stuff to do what pkg does (not yet) do for me.... Thanx, --WjW
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