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There were heaps of "if type -t git" there already;
it wasn't an unintentional mishap but rather a moderate
copy-paste to get the use cases, and now these seem to
have essentially settled.
So time to scrap some dups.
NB: the scripts in the generated profile can't rely on
the contents of the metaprofile (these need to be able
to work in standalone case either), so a bit of crap
still lurks there.
Yes, mkimage-profiles is now able to build VM disk images.
So far the support is pretty basic:
- a single hard drive image with a single partition/FS
- only stock root password is configurable
- LILO is hardwired as a bootloader
The resulting images tend to boot under qemu/kvm though.
Please see doc/vm.txt for the warning regarding additional
privileges and setup required. This was started back in
February but I still hoped to avoid sudo/privileged helper
(and libguestfs is almost as undistributable as can be)...
Thanks:
- http://blog.quinthar.com/2008/07/building-1gb-bootable-qemu-image-using.html
- Alexey Morarash who reworked that as https://github.com/tuxofil/linsygen
- led@, legion@, vitty@, aen@ for providing advice and inspiration
glebfm@ asked what to do with new package lists: whether these
belong to features, or to distributions themselves. This question
is actually open and up for discussion but there are guidelines
that can and should be written down already; and so they were.
Added pkgdups utility reference as well.
The output was still somewhat ragged in 80x24 terminal window
with fmt(1) which wasn't anticipating the word length difference
subsequent column(1) would have to cope with later on.
Thanks Loic Cattani for his shell columnizer implementation:
https://github.com/Arko/Columnize
The purpose is being able to examine particular target interdependency
graph for a given image having been configured to avoid convoluted
dependencies (loops in particular).
The implementation is based on SHELL hook hint by John Graham-Cumming:
http://cmcrossroads.com/ask-mr-make/6535-tracing-rule-execution-in-gnu-make
As was found out by Vladimir Karpinsky (thanks for patience!),
the autochosen directory might still have too restrictive mount
options -- nodev and/or noexec. Hopefully the diags are a bit
better and faster by now.
It happens that if the host environment isn't particularly
tuned up for package builds already then bin/mktmpdir might
come up with a directory outside hasher-allowed prefix list;
now that's a shame and not a Christmas gift, clearly.
Thanks Vladimir Karpinsky for pointing this problem out too.
The fallback case of building in a brother directory moved
from the last line of code to the first one becoming more
explicit along the way.
Support for slash-containing argument (being a tmpdir name
template prefix) has been added.
The bin/pkgdups.sh script comes from m-p-d in considerably optimized
form and is to be used with the pkglist files of interest passed
as its arguments to produce a "hall of duplicates" among those.
The tagged lists received some updates along the rescue image lines,
most of those are actually inspired by http://rescuecd.pld-linux.org/
and to lesser extent a few articles on rescue/recovery/forensics
software -- so some newcomers are even employed already.
With not-that-recent mkimage-profiles development,
it's no longer apparent that at least a gigabyte
of free space is required to build something useful
(at least for the tests, like syslinux.iso).
In short, the guesser cutoff margin is now 256M.
src/dst tags might have been empty confusing tags2lists;
the current implementation is more robust (along with
slightly better debug within bin/tags2lists itself).
pushd/popd spam tamed too (replaced by nice log messages).
Just in case the build.log will be inobvious, and it's easy to diagnose
automatically. Thanks Andrey Stroganov for this use case.
Thanks for improving the initial implementation go to raorn@ for kind
commit lynch and to Yuri Bushmelev for actually suggesting something
more concise.
BTW the "1024" magic number was taken out of thin air:
the "no free space" errors are most likely to happen while
forming/populating a chroot (apt/rpm errors out) and chroots are
roughly two orders of magnitude heftier than a megabyte.
tags2lists was tweaked to work on the more natural word boundaries
than explicit "_", and the lists were renamed accordingly.
Dropped the borrowed pkglists by the way.
