On Mon, Mar 16, 2009 at 01:15:15PM +0300, Alexey Tourbin wrote:
> > > Дело в том что пакет ghostscript-utils требует /usr/bin/dvips.
> > > Когда ghostscript-utils идёт первым, то он вытягивает texlive,
> > > и после этого tetex поставить уже нельзя из-за конфликтов.
> > 
> > А какое поведение следует считать в данном случае правильным: 
> > в обоих случаях должен быть выбран tetex-dvips и сформирован чрут?
> 
> Правильно сделать патч на апт, чтобы он формировал список пакетов
> в две стадии: первая стадия -- поверхностный выбор пакетов, вторая --
> глубокий выбор (с дополнением всех зависимостей).
> 
> Сейчас фаза всего одна, она для каждого пакета совмещает как отбор
> самого пакета, так и отбор всех его зависимостей.
> 
> То есть сейчас работает псевдокод
> 
> 	for p in ghostscript-utils tetex-latex 
> 		shallow_mark p
> 		deep_mark p
> 
> На стадии "deep_mark ghostscript-utils" отбирается
> texlive, а на следующией итерации "shallow_mark tetex-latex"
> получается привет.
> 
> А должен работать псевдокод
> 
> 	for p in ghostscript-utils tetex-latex 
> 		shallow_mark p
> 	for p in ghostscript-utils tetex-latex 
> 		deep_mark p
> 
> Тогда во втором цикле texlive выбран не будет, потому что альтернативный
> кандидат tetex-core уже выбран.

Приложил предварительный патч на "apt-get install".
Вроде работает.

$ hsh --no-stuff --init && hsh-install ghostscript-utils tetex-latex
<86>Mar 16 11:24:33 userdel[11006]: delete user `rooter'
<86>Mar 16 11:24:33 userdel[11006]: remove group `rooter'
<86>Mar 16 11:24:33 groupadd[11007]: new group: name=rooter, gid=507
<86>Mar 16 11:24:33 useradd[11008]: new user: name=rooter, uid=507, gid=507, home=/root, shell=/bin/bash
<86>Mar 16 11:24:33 userdel[11010]: delete user `builder'
<86>Mar 16 11:24:33 userdel[11010]: remove group `builder'
<86>Mar 16 11:24:33 groupadd[11011]: new group: name=builder, gid=508
<86>Mar 16 11:24:33 useradd[11012]: new user: name=builder, uid=508, gid=508, home=/usr/src, shell=/bin/bash
Reading Package Lists...
Building Dependency Tree...
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:

The following packages have unmet dependencies:
  tetex-latex: PreDepends: tetex-core (= 2.0-alt6)
               Depends: /usr/bin/etex
               Depends: /usr/bin/pdfetex
               Depends: /usr/share/man/man1/etex.1.bz2
               Depends: /usr/share/man/man1/pdftex.1.bz2
E: Broken packages
hsh-install: failed to calculate package file list.
hsh-install: Failed to generate package file list.

$ pwd
/tmp/.private/at/BUILD/apt-0.5.15lorg2
$ export PATH=$PWD/cmdline:$PATH
$ hsh --no-stuff --init && hsh-install ghostscript-utils tetex-latex
<86>Mar 16 11:25:08 userdel[12264]: delete user `rooter'
<86>Mar 16 11:25:08 userdel[12264]: remove group `rooter'
<86>Mar 16 11:25:08 groupadd[12265]: new group: name=rooter, gid=507
<86>Mar 16 11:25:08 useradd[12266]: new user: name=rooter, uid=507, gid=507, home=/root, shell=/bin/bash
<86>Mar 16 11:25:08 userdel[12268]: delete user `builder'
<86>Mar 16 11:25:08 userdel[12268]: remove group `builder'
<86>Mar 16 11:25:08 groupadd[12269]: new group: name=builder, gid=508
<86>Mar 16 11:25:08 useradd[12270]: new user: name=builder, uid=508, gid=508, home=/usr/src, shell=/bin/bash
<13>Mar 16 11:25:15 rpmi: libjpeg-1:6b-alt9 installed
<13>Mar 16 11:25:15 rpmi: libpng12-1.2.35-alt1 installed
<13>Mar 16 11:25:15 rpmi: tex-common-0.1-alt1 installed
<13>Mar 16 11:25:15 rpmi: libtiff-3.8.2-alt3 installed
<13>Mar 16 11:25:15 rpmi: libsqlite3-3.5.9-alt4 installed
<13>Mar 16 11:25:15 rpmi: libnspr-1:4.7.3-alt1 installed
<13>Mar 16 11:25:15 rpmi: libICE-1.0.5-alt1 installed
<13>Mar 16 11:25:16 rpmi: libfreetype-2.3.9-alt1 installed
<13>Mar 16 11:25:16 rpmi: libSM-1.1.0-alt3 installed
<13>Mar 16 11:25:16 rpmi: libnss-3.12.3-alt1.20081117 installed
<13>Mar 16 11:25:16 rpmi: nss-utils-3.12.3-alt1.20081117 installed
<13>Mar 16 11:25:16 rpmi: libjasper-1.900.1-alt1 installed
<13>Mar 16 11:25:16 rpmi: libstdc++4.3-4.3.2-alt7 installed
<86>Mar 16 11:25:16 groupadd[12522]: new group: name=crontab, gid=36
<13>Mar 16 11:25:16 rpmi: crontab-control-1.1-alt1 installed
<13>Mar 16 11:25:16 rpmi: setproctitle-0.3.2-alt1 installed
<13>Mar 16 11:25:16 rpmi: vixie-cron-4.1.20060426-alt5 installed
<13>Mar 16 11:25:16 rpmi: crontabs-1.8-alt1 installed
<13>Mar 16 11:25:16 rpmi: stmpclean-0.3-alt2 installed
<13>Mar 16 11:25:16 rpmi: psutils-1:p17-alt2 installed
<13>Mar 16 11:25:16 rpmi: libjbig-1.6-alt2 installed
<13>Mar 16 11:25:16 rpmi: xorg-rgb-1.0.3-alt1 installed
<13>Mar 16 11:25:16 rpmi: libnetpbm-10.35.32-alt1 installed
<13>Mar 16 11:25:16 rpmi: ncompress-4.2.4.2-alt1 installed
<13>Mar 16 11:25:16 rpmi: mailx-8.1.2-alt5 installed
<13>Mar 16 11:25:16 rpmi: sharutils-4.6.3-alt1.1 installed
<13>Mar 16 11:25:16 rpmi: xml-common-0.6.3-alt11 installed
<13>Mar 16 11:25:16 rpmi: libxml2-1:2.7.3-alt1 installed
<13>Mar 16 11:25:17 rpmi: netpbm-10.35.32-alt1 installed
<13>Mar 16 11:25:17 rpmi: libpixman-1:0.14.0-alt1 installed
<13>Mar 16 11:25:17 rpmi: libtasn1-1.8-alt1 installed
<13>Mar 16 11:25:17 rpmi: libglitz-1:0.5.7-alt3 installed
<13>Mar 16 11:25:17 rpmi: libgcrypt-common-1.4.4-alt1 installed
<13>Mar 16 11:25:17 rpmi: libgpg-error-1.6-alt1 installed
<13>Mar 16 11:25:17 rpmi: libgcrypt-1.4.4-alt1 installed
<13>Mar 16 11:25:17 rpmi: libgnutls26-2.6.4-alt1 installed
<13>Mar 16 11:25:17 rpmi: libcups-1.3.9-alt2 installed
<13>Mar 16 11:25:17 rpmi: libXdmcp-1.0.2-alt2 installed
<13>Mar 16 11:25:17 rpmi: libXau-1.0.4-alt2 installed
<13>Mar 16 11:25:17 rpmi: libxcb-1.2-alt2 installed
<13>Mar 16 11:25:17 rpmi: libxcbutil-0.3.3-alt1 installed
<13>Mar 16 11:25:17 rpmi: libX11-locales-3:1.2-alt1 installed
<13>Mar 16 11:25:17 rpmi: libX11-3:1.2-alt1 installed
<13>Mar 16 11:25:17 rpmi: libXext-1.0.5-alt1 installed
<13>Mar 16 11:25:17 rpmi: libXt-1.0.5-alt2 installed
<13>Mar 16 11:25:17 rpmi: libXmu-1.0.4-alt2 installed
<13>Mar 16 11:25:17 rpmi: libXpm-3.5.7-alt2 installed
<13>Mar 16 11:25:17 rpmi: libXrender-0.9.4-alt2 installed
<13>Mar 16 11:25:17 rpmi: libexpat-2.0.1-alt0.1 installed
<13>Mar 16 11:25:17 rpmi: fontconfig-2.6.0-alt3 installed
Updating fonts cache: <29>Mar 16 11:25:19 fontconfig: Updating fonts cache: succeeded
[ DONE ]
<13>Mar 16 11:25:19 rpmi: libcairo-1:1.8.6-alt3 installed
<13>Mar 16 11:25:20 rpmi: libgs-8.64-alt2 installed
<13>Mar 16 11:25:21 rpmi: fonts-type1-urw-2:1.0.7pre44-alt1 installed
<13>Mar 16 11:25:24 rpmi: ghostscript-common-8.64-alt2 installed
<13>Mar 16 11:25:25 rpmi: ghostscript-classic-8.64-alt2 installed
<13>Mar 16 11:25:25 rpmi: dialog-1.1-alt2 installed
<13>Mar 16 11:25:31 rpmi: tetex-core-2.0-alt6 installed
<13>Mar 16 11:25:32 rpmi: tetex-dvips-2.0-alt6 installed
<13>Mar 16 11:25:32 rpmi: libXaw-1.0.5-alt3 installed
<13>Mar 16 11:25:33 rpmi: libkpathsea-2008.0-alt0.9 installed
<13>Mar 16 11:25:33 rpmi: texlive-common-0.1-alt1 installed
<13>Mar 16 11:25:33 rpmi: texlive-doc-base-2008.0-alt0.9 installed
<13>Mar 16 11:25:33 rpmi: ghostscript-minimal-8.64-alt2 installed
<13>Mar 16 11:25:33 rpmi: ghostscript-utils-8.64-alt2 installed
<13>Mar 16 11:25:33 rpmi: tetex-latex-2.0-alt6 installed
$

Почему-то всё равно вытягивает texlive-common и texlive-doc-base.
Но хотя бо так!