resync with 2.1.90
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Adam Di Carlo
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YACS - Yet Another CD Script :-)
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================================
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Copyright 1999 Raphaël Hertzog <hertzog@debian.org>
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This set of tools is licensed under the General Public License
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version 2 or any later version. You can find it in
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/usr/share/common-licenses/GPL on a Debian GNU system.
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Thanks to Steve McIntyre <stevem@chiark.greenend.org.uk> for his
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work on slink_cd/debian_cd. Some ideas come from his script.
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What is needed ?
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================
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Software :
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- the apt-get (>= 0.3.11.1) tool
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- perl (>= 5.004)
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- bash (or another POSIX shell)
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- make
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- mkisofs/mkhybrid
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- dpkg-multicd package (for dpkg-scanpackages with -m option)
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- the perl MD5 module
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- dpkg-dev (>= 1.4.1.6) (for dpkg-scansources)
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Other :
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- lots of free space on your disks
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- a Debian mirror (on a partition where you can write, if you can't write
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on it then you may try to use a symlink farm but it's not the
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recommended way to build Debian CDs)
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-------------------------------
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- GENERATING DEBIAN CD IMAGES -
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-------------------------------
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For people that do not have time, here's the quick explanation :
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================================================================
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Edit the CONF.sh and change the PATHs for the mirror and so on.
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$ vim CONF.sh
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$ . CONF.sh
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$ make potato_status
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$ make list COMPLETE=1 SIZELIMIT1=576716800
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$ make official_images
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[ or if you want only binary images :
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$ make bin-official_images ]
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But you really should consider reading further for more information.
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How to build a CD set - step by step
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====================================
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If not yet done, first decompact the archive and cd to the "yacs" directory.
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The process of building a CD is decomposed as follow :
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- first configure what is needed in CONF.sh and source it
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in your shell
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$ . CONF.sh
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The exported environment variables will be used by all the
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tools involved here (Makefiles, perl scripts, shell scripts).
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If you want to build CD images for more than one arch, you will
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have to build them one after the other (you may use a shell
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script for this).
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- now we'll check if your mirror is ok (with good Packages files) :
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$ make mirrorcheck
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- then you will have to launch this for initializing the
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temporary directory used for the build :
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$ make status
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If this has failed then you'll have to launch :
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$ make correctstatus
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However note that make status should never fail if it is
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used for building a CD set for the stable release ...
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NOTE: Actually (11/7/99) potato is in a bad state, I advise you
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to use the potato.status file in the data dir as your status file,
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to do so you can launch :
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$ make potato_status
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- now you can decide what you want on your CDs
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$ make list TASK=tasks/debian-2.2 COMPLETE=1
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or
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$ make list TASK=tasks/gnome COMPLETE=0 SIZELIMIT=576716800
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or
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$ export NONFREE=1; make list TASK=tasks/kde COMPLETE=1
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or for something like an official image for the USA :
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$ make COMPLETE=1 NONUS=0 NONFREE=0 SIZELIMIT1=576716800
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.... take a look at the file tasks/* to see the options you can have :)
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You can change the behaviour of this command with the following
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variables :
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- if NONUS is set, then packages from non-US will be allowed (remember
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that the value of NONUS must be the path to the non-US mirror
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if you have one)
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- if NONFREE is set, then packages from non-free will be allowed
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(NONFREE must be exported to all sub-shells)
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- if COMPLETE is set, all packages that are not listed in the
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selected task file will be included at the end
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- if SIZELIMIT is set, it will be used as the maximum size that
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we can put into each CD
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- if SIZELIMIT<X> (with <X> beeing a integer) is set, it will be used
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as the maximum size of the X'th binary CD. SIZELIMIT<X> overrides
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SIZELIMIT ...
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- if SRCSIZELIMIT is set, it's used as the maximum size for source CD
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- if SRCSIZELIMIT<X> (with <X> beeing an integer) is set, it will be
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used as the maximum size of the X'th source CD
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This target calls the targets "bin-list" and "src-list" that can be used to
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build only binary CDs or only source CDs.
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- it may be time to add the disks-arch stuff and to make the CDs bootable
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$ make bootable
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This does affect only the binary CDs.
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- now, we'll add the binary packages to the temporary tree :
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$ make packages
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- and we'll add the sources to the temporary tree :
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$ make sources
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- if you want to install additional files :
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make bin-extras CD=1 ROOTSRC=/home/ftp/ DIR=goodies/wordperfect
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make src-extras CD=3 ROOTSRC=/home/ftp/ DIR=goodies/kernel-2.3
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The first will copy /home/ftp/goodies/wordperfect/ on the first binary
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CD. It will be in <root of the cd>/goodies/wordperfect ... you can call
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make extras multiple times if you need more. Please note that
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the files to be copied should be on the same partition than
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your mirror (unless you use a symlink farm).
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If you want to do customize your CD even more, you can use the hook
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system. Read below about them.
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- We can add an md5sum.txt file on each CD to enable users to check their
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files :
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$ make md5list
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This does call the targets 'bin-md5list' and 'src-md5list'. You can
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choose to call only bin-md5list if you're building only binary images.
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- now we can create the images
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$ make images
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If you don't have enough space for all images, you can generate
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only one image (of the second binary CD for example) with :
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$ make bin-image CD=2
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Of course if you want to build all binary images you'll use :
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$ make bin-images
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And "make src-images" will generate the sources images.
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About the hook system
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=====================
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A hook script can be executed at different times. You can specify the
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script by setting the HOOK variable to the script filename. It will
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get 2 arguments, the first is the CD number. The second depends on
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where/when the hook script is called. It can be 'before-scanpackages'
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or 'before-mkisofs' (their values are explicit ...). When the script
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is called, the current directory will be the temporary directory used for
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the build (aka $TDIR/$CODENAME-$ARCH).
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There are hooks only for binary CDs at the present time. If HOOK is not
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set, it will look for a script $BASEDIR/tools/$CODENAME.hook.
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About the symlink farm
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======================
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If you don't have write access on the disk where you have the mirror
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or if for another reason hardlink cannot be used, you can try to
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use a symlink farm. Instead of having real files, your temporary tree
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will be filled with symlinks that mkhybrid will change into files when
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it will build the image. You'll need to use a special options. You
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have 2 lines of options in CONF.sh as examples.
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I've never tested the symlink farm ... it may well generate unusable
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images. Don't use it for ISO images that will used by many users.
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Note that you will also need a patched mkhybrid that does support the
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-F option. Have a look here about it :
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http://www.chiark.greenend.org.uk/~stevem/DebianCD/
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