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This subprofile is akin to THE_* variables family: the configuration
bits and script hooks sitting there influence whatever chroot is
declared to be the user facing one in the end, whether it comes
from vm image or live subprofile.
The services feature ought to be a changeset of its own which would
be based on rootfs and become the base for ve/vm changes but I chose
to just do it atomically; some pre-existing duplicates are pruned now.
That sub/stage2/install2 was somewhat clumsy actually as it looked
like a hierarchical thing while being a substitution thing:
generic stage2 would get put in place renamed as install2.
This could only get worse with hierarchical features which have
already been both requested and considered for quite a time,
and "stage2 at install2" reads much more naturally.
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.
A virtual machine isn't very useful if there are no means
to access it; let's bring up the basic networking and provide
root SSH access via pre-existing public key.
As the remote access with known default credentials is roughly
equivalent to just lending one's VMs to anyone with network
access to it, the fallback root password is now exterminated;
you have to provide one (or a long enough random string
if you plan to use keys only, see e.g. apg utility).
It looks like the intermediate targets aren't all equal:
some define a finished feature while some create a common
lower level piece of configuration.
Let's do shortcuts for the former so that a distro line can be
more terse and descriptive; help targets in features.in/ tweaked
accordingly.
Fixed up the remnants of the early style mix
to correspond to the proposed doc/style.txt;
the rationale being that
if [ ... ]; then
...
...
fi
is the more readable construct among itself,
if test ...; then
...
...
fi
and
[ ... ] && {
...
...
}
due to the condition being more distinguishable
when bracketed and the body more apparent as the
one inside "if" and not any other block; the less
obvious difference is that the final construct of
the latter form is prone to the whole script exit
status being non-zero if the condition isn't met.
The outmost shell loop got replaced with a (hidden) bunch
of targets -- it's somewhat controversial as the inner loops
are still there (but at least don't wrap around my SXGA+).
Full targetization might be beneficial in terms of parallelism
achievable *but* that would ruin git history being generated,
and building a distro configuration takes a few seconds at most.
(upon reading http://stackoverflow.com/questions/5414418/)
It appears that features.in/Makefile functioned a bit
differently by now than was described back then: after
loops and pushds got rearranged for robustness, it stopped
to pick up a cleanup feature tagged script.
That particular script is now better de-tagged and simply
placed as a script to be merged into install2 subprofile.
The tagged scripts still require a bit more comprehension
to understand the use cases (e.g., do we need per-subprofile
tagged script subdirs or just a toplevel one should be looked
at, with script names telling where to put them).
README used to mix up subprofiles and features; fixed.
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).
Typical (to-be-refactored when having settled down)
"cd/git .../cd -" sequences are tweaked to safeguard
against changing back without having actually changed to,
just in case.
features.in/Makefile left with pushd/popd due to its
three-level diving course (which somewhat asks to be
refactores in functions either but is intrinsically
somewhat complex OTOH).
This is quite a large-scale change since mkimage-profiles got used to
baking distributions over the last year, and virtual environments are
quite different, so e.g. image.in/Makefile had to be split in two with
the main part of it moved into features.in/iso/lib/.
Short overview:
- features.in/Makefile: lib/ support
(supporting VE images requires dynamic modifications
to image.in/Makefile before starting the build;
the most natural way to achieve that seems to use
features mechanism along with makefile include dir)
- packaging format related part moved into features.in/pack
(should be better prepared for diversity either)
- features.in/iso renamed to features.in/build-distro
- features.in/ve renamed to features.in/build-ve
+ NB: these could not be merged as e.g. features.in/build
due to completely different script hooks
- lib/image.mk renamed to lib/build.mk
- image, config, log postprocessing moved downstream
- added a sort of a topping in the form of lib/sugar.mk
- assorted style fixups (like ifeq usage)
- clean.mk: reliability fix (the problem was observed by Oleg Ivanov
and me too but finally it did get the attention quantum)
- reviewed, updated and extended docs
+ QUICKSTART: should be[come] a step-by-step guide
(thanks Leo-sp50 for prodiving feedback)
install2 cleanups:
- functionally indifferent ones: particularly, install2/*/98system's
"mkdir -p /image" was superfluous as it was done by that time already
by sub.in/stage2/image-scripts.d/00stage1
- taken apart, prepared for tags: so far it's a mostly moot change
since the installer cleanup scripts themselves are mostly the same as
preceding 90cleanup was (with some additions corresponding to recent
kernel development); it's still unclear what the mechanism for
configuring the cleanups in effect will be, either directory/package
regex lists or tagged scripts excluded from execution by yet another tag
fixes:
- image.in/Makefile: fix metadata related test; the actual test was
assuming that stage1 kernel means installer, which is not the case
since generic stage2 introduction; oh well
- 85cleanup-lowmem: a "_" too much was the culprit in destroying the
needed translations along with those deemed superfluous; thanks go to
Oleg Ivanov and Lenar Shakirov for finding the bug and proposing the
fix altogether
additions:
- features.in/Makefile: reworked help target; it was rather inaccessible
due to BUILDDIR normally undefined at the time of direct make
invocation, and BUILDDIR is normally defined during normal builds
anyways so let's try it this way.
- README++
daydreams:
- 01-genbasedir: we should drop bzip2 compressed pkglists some day
but see genbasedir and apt-cdrom first, 90-pkg.sh (alterator-pkg)
will fail miserably otherwise
The extra tag to filter on was omitted while
moving the code from features.in/cleanup/generate.mk
into the more generic features.in/Makefile; fixed.
Auto-added tags will definitely see an overhaul
when it's more clear what can be done with them.
From now on a feature can contain this tree:
.
+- scripts.d/
+- image-scripts.d/
`- tagged/
+- scripts.d/
`- image-scripts.d/
...per subprofile part or in its root -- the latter one
gets merged into toplevel directory responsible for the
final image build.
NB: autoselected tags include only subprofile names
(or both parts, for complex subprofiles) --
this is highly prone to change yet!
Introduced support for hooks to be added to every
derivative substage of a "base" stage (think stage2/*).
Specific hooks for e.g. stage2/live would live in
features.in/*/live/*scripts.d/ while generic for stage2/* in
features.in/*/stage2/*scripts.d/
- better *_LISTS printout
- somewhat cleaner .base comments
- more comprehensible git log messages
+ special handling for complex subprofiles
+ no need to commit build.log ;-)
dst a shell variable in a makefile recipe,
its dereference must be escaped properly;
the net result was false positive for the test
with no harm being done but extra stuff tossed
into the generated profile
- introduced generic stage2 subprofile (non-standalone)
- ported installer and rescue over to stage2/{install2,rescue}
- initial stage2/live (needs more work for sure)
- use make-initrd-propagator
- updated and somewhat extended doc/
NB: mind #26133, #26134
- image.in/functions.mk: rework kpackage()
+ it takes two arguments explicitly now: this adds some noise
for "generic" invocations but is rather less messy with recently
introduced STAGE1_KFLAVOUR (which in its turn is rather cleaner
than messing with KFLAVOURS, especially since soemthing changed
in presumably apt and we can't rely on kernel packages being
installed in the order formed).
- BUILDDIR/DEBUG related fixes
+ Makefile: BUILDDIR initialization moved to distro.mk
- build.log += git info
Renamed server-light.iso into server-ovz.iso to avoid brand dilution
and confusion (rider@'s server-light rather favours kvm, anyways).
Introduced KDEFAULT: a reliable default kernel chooser knob
since apt's regex ordering proved pretty unreliable.
Spelling things explicitly is better anyways.
SYSLINUX related features undergone pretty major rewrite
(that includes syslinux, hdt and memtest).
The problem to tackle was features.in/syslinux/generate.mk
assuming syslinux and pciids available in build *host* system;
this well might not be the case (or worse yet, those can be
just different). So now we're a bit less elegant and a bit
more enterprise, stuffing things into chroot and working there.
Bunch of other fixes along the road, including ; to name a few:
- fixed memtest entry (overlooked while renaming SYSLINUX_ITEMS)
- new and shiny doc/CodingStyle
- gfxboot, stage1 target chain, hdt tweaks
- distro.mk rehashed
- README++
- TODO: dropped (integer overflow anyways)
+ actually moved off-tree to reduce commit spam
- s,\.config\.mk,distcfg.mk,g
- doc/profiles.mk.sample: sample ~/.mkimage/profiles.mk
- ...and assorted fixups/additions
Sorry for convoluted commit, this would have been pretty hard to
rework into some really readable shape (and you might be interested
in the original repo's history horrors then, anyways).
