Should get into distributions' rescue image indeed.

Even base rescue images should get mount.nfs and rpcbind.

It's required for NFS mounts but having a rescue image listening
to any non-localhost ports is too bad an idea, IMNSHO.

So let's fix this while spotted.

This has been spotted and solved manually several times already,
and that's just boring so let's add the ability to state that
X11-based software is not accepted into a particular rescue image.

Not that I would hate X but things like that belong to a carefully
crafted image which includes either X server or reasonable means
to ensure that GUI software can actually be used.

NB: this is a somewhat new entity: test/rescue/no-x11 knob
for an image-script intended to make it blow up the build
when libX11 is found within the chroot that makes up
the rescue image's filesystem.

The interface is not documented intentionally: it will take
some time to find out whether it sticks or is bad enough.
Please do remind/ask if interested in using that.

At least lspci was sorely missing in non-rescue images
(as well as in mini rescue part of server image);
thanks Dank Bagryantsev for pointing this out:
http://lists.altlinux.org/pipermail/community/2013-December/681223.html

In these tough times there are no extra resources to waste
for wars or some extra rescue; so it is imperative to provide
some lean and mean help, you know.

IOW a common base has been split out and a more tight rescue
image configuration has been added on top of that so as to
try and fit altlinux-p7-sysv-tde.iso for i586 into CD-R.

The changes in commits gb3e3234c and ga860b179 were actually useless
as rescue+fs list wasn't included into RESCUE_LISTS... and I need
pv(1) for convenient local disk cloning with time estimate.

systemd would get pulled in via journal but both are really
irrelevant for these rescue images.

There are various bootloaders around there and some of them
are supported in ALT Linux; let's provide all the mainstream
ones so that knowledgeable root@ has every tool needed for
most situations needing bootloader repairs.

These might require particular knowledge or special boot mode
(like EFI ones).

Being able to handle [compressed] archives of all kinds
tends to be pretty instrumental in rescue operations,
and some backup system clients won't hurt either.

Some ancient Serial words like "minicom" still come handy
at times too.

Comments, constructive criticism and proposals are welcome.

Moved the packages which impeded pkglist reuse for live distros
so that these stay within dedicated rescue images but don't
neccessarily go into the more generic ones where things like
fdisk are still quite useful.

There's a need for a separate boot target since
persistent storage is way slower than tmpfs indeed;
usbflash has a tendency for huge performance drops
given simultaneous writes in addition to reads which
are the bottleneck already.

make-initrd-propagator 0.18 introduced ext4 rw slice,
so the corresponding kernel module needs to be included
into stage1; see also #28289.

NB: not available on x86_64-efi (or hybrid GPT to be strict)
due to fragility of the hack being made: parted(8) panics
upon seeing that, and good ol' fdisk is unable to treat it.

NB: use/live/rw use/rescue/rx use/syslinux/ui/gfxboot
are unlikely to play very nice together due to the latter's
magic l10n: "session" label is taken by live_rw config snippet
and *is* translated in design-bootloader-source;
OTOH "rescue_session" is *not*.

It's currently security+extra.

Things that weren't fit in the other rescue pkglists went here;
more are sure to follow.

It happens to hold a noticeable share of what might go into
rescue+misc, so why duplicate.

As the firmware feature got more involved, this one
has successfully dodged the change but is amended now.

Richard and Theo would probably roll their eyes at this point
but the unfortunate reality is that wireless hardware is very
much dependent on firmware being explicitly provided; so here
it is.

rtl8192 kernel module added since it's present in t6/branch
at least.

There's no use of a rescue image when it has no firmware
for the controller in the system being worked on...
so added some.

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's no (convenient) "eject" at times, so it's better to provide
extra ways of booting right away.

Found myself pretty silly while sittin' at the rescue console
and bein' unable to leave the cool server room for a way
more comfortable armchair and a laptop's keyboard...

(yes, it was that disk array needing GPT tools)

New stuff:
* distro/live-icewm -- basic icewm livecd with autologin;
* distro/live-rescue -- yet another gparted^Wrescue CD.

A better part of base+rescue tagged pkglist split off into
extra+rescue where the content belongs.

Thanks ruslandh@ for proposing to do a graphical rescue with some
particular tools (albeit qt4-fsarchiver clearly needs more work).

The features might get copy-pasted (or even copied-and-pruned)
when initialized; there's an unneccessary duplication of the
function name in the line adding it to FEATURES list, thus
prone to being forgotten and causing some havoc later on.

It was wrong in the first place but tackling this with some
double-colon rules ran into terminality issues, and further
tortures were considered unneccessary.

The current solution isn't perfect (no completely transparent
function name registration upon corresponding target being called)
but at least it is an improvement...

It's still very immature -- base lists should be really base,
and functionality should be sorted out in more consistent way.
So far moved to tagged lists (which need some more experimentation
anyways to get both lists and their use more elegant).

- fixed live.iso (now actually useful):
  + extra cleanup was being done (coming from install2 case)
  + root user was password blocked
  + there was no unprivileged user (added "altlinux" w/o password)
  + added xdm setup hook for future X-based livecd flavours
  + several picks for a less slim "base" list
  + xdm login
- tweaked rescue.iso (added ext3grep)

- 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