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This TODO list can only touch on some larger issues, but there are a great
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many open bugs on various components of the installer. See all bugs tagged
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d-i in the BTS. Also, there are many unprocessed installation-reports.
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Status for different parts of debian-installer. The numbers are
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approximate (as in +/- 50%) and may change in any direction, at any
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time.
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[0%] Not begun
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---------------------------------------------------------------------
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- some architectures
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hurd-i386 (we will ship w/o this)
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sh (we will ship w/o this)
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- support for non-free udebs
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Driver disks are already supported, but that is not really
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good enough for etch.
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- switch to localechooser
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[30%] Might need large rewrites. Current implementation might
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work by accident
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---------------------------------------------------------------------
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- GUI frontend to cdebconf.
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There are some basic implementations. The trick is to make
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it a GUI that does not suck, while still using debconf
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underneath.
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- ppp support
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Not as important for analog dialup, as for ISDN, pppoe.
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- udev
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Some pieces checked in, but still needs a change to (at
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least) lilo-installer ported over from Ubuntu. This requires
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'readlink -f' in busybox first.
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Need udev to start building udev-udeb; it includes a script
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in /lib/debian-installer-startup.d/, so we need to agree
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which of it and rootskel should contain that.
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- integrate/document rescue mode support
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Needs a new section in the manual.
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Needs bootloader configuration (done on x86, sparc, ia64).
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Needs debian-cd builds to use etch directories. (manty)
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Needs a better user interface, possibly with easy ways to do
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common tasks like reinstalling a bootloader.
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[60%] Needs some work, but does its grunt work
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---------------------------------------------------------------------
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- I18N
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Mostly done, still filling in minor holes.
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- translations
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Varying languages translated to varying degrees.
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http://people.debian.org/~seppy/d-i/translation-status.html
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- boot loader installers (lilo, grub, etc)
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Work, except for when they don't. See BTS.
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- anna
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Works, mostly. Needs support for Release files.
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Support for signed Release files would be cool, but
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needs gpgv-udeb (in unstable now).
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- disk selector, partitioner
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We have switched to partman everything except a couple of
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subarches and s390.
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- post-reboot configuration
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base-config is stable, though it could use more polish
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Some questions repeat questions from d-i.
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- web site
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http://www.debian.org/devel/debian-installer/
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Could be better laid out, lacking some sections, other
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parts are quite good.
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- archive integration
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No automatic propagation to testing.
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No source propagation for udeb sources!
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http://people.debian.org/~joeyh/d-i/testing-summary.html
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- pcmcia support
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Much improved, generally works now.
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Automatic PCI resource range exclusion based on probing
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still needed, work in progress.
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- low memory support
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Where "low" is 24-46 mb!
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Works, but user must be careful to set up swap ASAP.
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There is no sanity checking, and some bad failure modes.
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- user documentation
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Installation manual is up-to-date for i386.
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Needs sanity checking for other architectures.
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- developer documentation
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We understand it, but it could be improved.
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- 2.6 support
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Works on i386, hppa, ia64, sparc.
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Works on powerpc, at least newworld. Testing on
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other subarches needed, especially G5 and oldworld (with
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mkvmlinuz).
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- preseeding
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Works pretty well.
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Some things still cannot be preseeded. This is generally a
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bug in the udeb's use of debconf.
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Some problems with kernel command line limits (ameliorated
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by 2.6.9).
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Too many things need to be set at the kernel command line
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for netboot preseeding.
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- most architectures
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i386
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ia64
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powerpc
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mips
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mipsel
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m68k (some subarches)
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- bvme floppies need root to build
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alpha
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sparc
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- floppies need root to build
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arm (some subarches)
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hppa
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amd64 (unofficial)
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s390
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[90%] Single missing important feature or bug.
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---------------------------------------------------------------------
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- hw-detect
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Working but needs to be switched over to discover2 or hotplug
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(hotplug support checked in, needs hotplug-udeb)
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- iso-scan
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Works, but does not flag the disk the iso is mounted from
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as unusable by the rest of the installer.
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- netcfg
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Working, pending rewrite for IPv6.
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- bts
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Still need a non-manual way to tag our bugs.
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- language-chooser
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The perennial problem is how to order/present the list of
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languages. Many complaints, but it works.
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Will be replaced by localechooser.
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- base system installer
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It can break due to testing package churn. cdebootstrap
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would fix this; also debootstrap/apt/archive changes in
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progress to add Base: overrides to Packages files.
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Needs more granular progress during debootstrap run (Ubuntu
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patches, Kamion)
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Improve kernel selection. Much of this is done in unstable,
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but knowing about some kind of preference order for kernels
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would be good. (Kamion)
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[100%] Those shouldn't need to be touched any more
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(famous last words)
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---------------------------------------------------------------------
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- udpkg
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- cd installs
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- net retriever
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- cdrom retriever
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- ethdetect
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- cdebconf
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- floppy retriever
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- main-menu
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- choose-mirror
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- busybox integration
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- install media build system
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- kernel-package integration
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- library reduction
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- wireless support
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- save-logs
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Post-sarge goals
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================
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- remove skolelinux/woody compatability code (after careful
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consideration and making sure it's ok) (joeyh)
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- switch to cdebootstrap (joeyh)
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- 2.6 as default kernel on i386 (joeyh)
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- 2.6 floppies on i386 (joeyh)
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- fix pkg-lists names to match images (joeyh)
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- improve udeb dependencies and use fully in pkg-lists (joeyh)
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- consistent indentation of all shell scripts
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(with a style that minimises size on initrd! :-) (joeyh)
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- drop devfs! (joeyh)
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- merged/rewritten localechooser (Bubulle)
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- 16 mb installs
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- graphical installer (markos, kamion)
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- finish partman (anton)
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- handle debian upgrades in partman (anton)
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- fai integration (markos)
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- cloning from installer system (luther)
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- discover2 (gaudenz)
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- hotplug (gaudenz, kamion)
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- use same device names in installer and installed
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system (kamion)
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- non-linux d-i (jbailey)
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- libc udeb renamed to include version number (jbailey)
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- "vague thoughts of making debian-cd my bitch" (jbailey)
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- moon-buggy udeb (cts@debian)
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- britney and udebs
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- fai disk config files in d-i (holger)
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- low(er) mem (zboob)
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- etch in 2005 (or bust) (jvw)
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- uml for testing d-i (anton)
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- udebs and debs of same name (joeyh, gaudenz)
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- post reboot network configuration (kamion)
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- real deb from archdetect udeb (luther)
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- getting rid of hardcoded paths in d-i (kamion)
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- install tasks and do rest of base-config before reboot (joeyh)
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Common problems and transitions
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===============================
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This is a list of common mistakes that need to be corrected throughout the
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code base:
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* All debconf commands that INPUT, GO, GET or SET questions should check
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their return value. This is pure evil:
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debconf->command(debconf, "GET", "mirror/suite", NULL); /* unchecked return code ! */
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asprintf(&command, "foo %s", debconf->value);
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system(command);
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* cdebconf's debconfclient.h has a set of macros for calling debconf
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(debconf_get() and so on)
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These should perhaps be used consistently throughout the code for
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clarity.
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* There needs to be a centralised logging method. Syslog will do, but
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we currently have a lot of nasty code that appends messages to
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/var/log/messages directly. All of that would be converted to pipe it
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to logger. However, this is a problem, because piping a command to
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logger loses the exit status of the command. Need some way to run a
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command, logging the ouput to syslog, w/o losing exit status.
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(Several exist in the bts/archives, none have been used yet.)
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* udebs should not include md5sums files, or postrm, prerm, preinst
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scripts. This includes ones generated by debhelper. Linda will find
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these pretty well.
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* There is no need to set the seen flag anymore. All code that does so
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should be removed, unless that code is expected to also possibly run on
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a normal debian system (choose-mirror). Seen flag munging can break
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preseeding.
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