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mksh R40 released

12.06.2011 by tg@
Tags: mksh

The MirBSD Korn Shell R40 has finally been released. This is a must-upgrade, a major everything version. See the changelog for now, until caveats are filled in, due to the sheer amount of changes. The diff between the last and the new release is more than half of the last release’s size, after all – it’s been 15½ months.

The plan for the next two releases is:

  • mksh R41 will fix all bugs popping up within the next few weeks, as they usually show up shortly after a release only, when things are getting adopted. Furthermore, it removes deprecated code that emits a warning in R40: several Build.sh options, plus set ±o arc4random. Finally, I plan on speed-up for arrays by using hashtables internally.
  • mksh R42 is where we tentatively target associative arrays for, now. Multidimensional arrays should be introduced at the same time.

bsiegert@ is now NetBSD developer

11.03.2011 by bsiegert@
Tags: pkgsrc

bsiegert@ now has direct commit access to the pkgsrc repository, with a mandate to improve the MirBSD support in pkgsrc. This should lead to pkgsrc becoming a viable alternative and/or complement to MirPorts.

mksh-current has just gained an experimental recursive parser for command substitutions, fixing RedHat BZ#496791 and decades-old complaints about the pdksh codebase, compared to AT&T ksh93. (GNU bash could also do the example, but not some other things mksh(1) parses fine now.)

This means that things like the following work now.

	# POSIX, should “always” work
	echo $(case 1 in (1) echo yes;; (2) echo no;; esac)
	# POSIX optional, works now in mksh, works in GNU bash
	echo $(case 1 in 1) echo yes;; 2) echo no;; esac)
	# GNU bash seems to choke on comments ending with backslash
	# a comment with " ' \
	x=$(
	echo yes
	# a comment with " ' \
	)
	# No non-recursive COMSUB parser can pass all of the above
	# tests and these below at the same time (some extensions)
	echo $(typeset -i10 x=16#20; echo $x)
	echo $(typeset -Uui16 x=16#$(id -u)
	) .
	echo $(c=1; d=1
	typeset -Uui16 a=36#foo; c=2
	typeset -Uui16 b=36 #foo; d=2
	echo $a $b $c $d)
	# the ‘#’ is especially tricky, that’s why the above cases
 

Next on my TODO is the complete rewrite of the read built-in command, as well as its documentation. I think that the (reduced) goals for mksh R40 will have been met by then, except porting to LynxOS and MPE, but we’re working on it, and re-testing Syllable and Plan 9). Of course, a release implies testing on a lot of the supposedly supported platforms, so it won’t be out “immediately”. Though, associative arrays have been removed from the R40 goals, so that I can at least get a new release out. Note that Debian and OpenSuSE Buildservice users have been provided with somewhat well-tested mksh-current snapshots for a while already, and Gentoo users can use the “live ebuild”; there’s always compiling from source too…

On January 23, an initial set of patches for MirOS support has been committed to pkgsrc by Alistair Crooks. As a part of these is still on hold for the moment, some patches are still necessary for successfully bootstrapping. You can bootstrap pkgsrc as root, installing for example into /usr/pkg, or as an unprivileged user. MirPorts and pkgsrc can be used in parallel.

Even if only a small number of packages has been tested on MirOS so far, the adoption of pkgsrc will give users access to vast, well-maintained archive of third-party software.

mksh wins

28.01.2011 by tg@
Tags: debian mksh

The Android 3.0 (Honeycomb) Preview [German news] comes with a much more sensible /system/bin/sh than previous released versions… Android-x86 and AOSP have had it for a while, but this sees the general adoption of mksh(1) as the only POSIX/Korn Shell on the Android OS! Thanks to those who helped to make this reality.

Minor annoyances, BitTorrent trackers; construction work finished

26.09.2010 by tg@
Tags: news rant release security snapshot

openbittorrent.com has, apparently, bitten the dust as well. Oh the joy. DHT to the rescue, over the last few days, for those who could do it. I’m now running bttrack.py, yes the original, on eurynome and have (again) reannounced this project’s torrents. Please download the *.torrent files again. And don’t bother asking, I’m not running a public tracker. Clarification: The content is unchanged, only the torrent metafile has changed!

The updated CVS and new RNG code seem to behave well; I also fixed old bugs in the process. I will probably update our main server within some foreseeable future (this would be the ideal time to push out a snapshot again as well, even if it’s “just” netinstall).

People have shown interest in my djbdns patches. Consider forking, even putting it into the base system. I need to solve the problem of the remaining non-v4-transport-capable v6-transport binaries though, I think only dnscachet6 is remaining, so we’ll get only one set of binaries again. Also look for SRV RR patches. I wonder whether someone will code DNSSEC support…

The msdosfs LFN code is also still on my TODO, as are some other things. But hey, at least there’s movement; even Benny, despite being offline, unreachable by phone, etc. commits Google-Goo code. (Hi!)

mksh currently is being reviewed by the Android Security team, who like it on a first look. I’ve already addresses the first concerns even. I might release R39d soonish, also because I’d like a stable release before going on to associative, and since it’s easier to do than prohibit, multidimensional arrays – which have been welcomed in #ksh already…

You might want to update src/sys/net/netisr.h if running #10-stable, or upgrade to the latest kernel. I ran dieharder, and the results look good. The latest RNG subsystem pulls from many more sources and mixes better; I’ll summarise it later probably.

mksh, encodings, MirBSD, BitTorrent, WinCE

28.08.2010 by tg@
Tags: android debian geocache hardware mksh news release snapshot

mksh was merged into Android (both AOSP and Google’s internal master tree) in the night 24/25th August, and is expected to be the one shell to rule them all, for Gingerbread.

mksh(1) now also has a cat builtin, for here documents mostly. It calls the cat(1) command if it receives any options. The shell is nevertheless smaller than yesterday because of improved string pooling.

There’s another reason to use the MirOS OPTU-16 encoding instead of PEP 383, on which I already wrote: try passing a wide-char filename to a function such as MessageBoxW, or create a filename on a system using wide chars, such as FAT’s LFN or ISO 9660’s Joliet, or one that only allows Unicode (canonically decomposed – ü → ü – out of all things) like HFS+. OPTU-8 at least maps to somewhat reserved codepoints (would, of course, be better to get an official 128 codepoint block, but the chance’s small of getting that in the BMP). Still.

Oh well, the torrents. I’ve remade them all, using one DHT seed node and OpenBitTorrent as tracker and put them on a very rudimentary BT page that will be completely redone soonish. Please re-download them. I currently do not believe f.scarywater.net will return.

Finally, I fell victim to a selling-out and may have just bought a Windows Mobile 6 based phone (Glofiish X650) and an SDHC card and an extra battery with double capacity. Well, at least it’s said to run CacheWolf well. I still would like to have something like Interix, Cygwin, UWIN, coLinux, or maybe some qemu-for-WinCE variant that runs Android, Maemo, Debian/armhf (or armel or arm) at near-native speed (and is usable – the device sadly doesn’t have a hardware keyboard, but it comes with SiRFstar Ⅲ GPSr). It only has 64 MiB RAM, like the Zaurus SL-C3200 and the jesusPhone, though. ☹ Any chance to get MirWorldDomination onto that device as well?

Tomorrow, eight years ago, is the date we now use as birthing point for MirOS. The thing is, we did not really want to create a BSD of our own, fork, or whatnot. We were mostly happy OpenBSD users (really happy before the first eMail exchange with its developers, where Theo de Raadt did indeed stand out but was not the only one – just the one with the authority to deny us), improved it locally and submitted patches and ports. We were flamed for that or, worse, ignored. I begun putting up my “OpenBSD patchkit” on my homepage (back then, at Tripod) and still tried to feed things to upstream and OpenBSD. Then, at some point, Theo de Raadt made it clear he did not want me and the patch kit had grown (from one 4M file into several of them), so I ended up doing a “cvs -d /cvs init” and went from there. Benny’s story is similar – he laughed at me while trying to get ports added to OpenBSD, then discovered his ports were added to the MirPorts Framework and getting commit access there was easier than getting some random developer to commit something of his to OpenBSD. (This trend ended there though… every single person I approached since has become OpenBSD ports committer – I wonder whether they used my invitation letter to blackmail Theo?) It’s often thought that there was a clash of opinions between Theo and me. I think while we might disagree in certain aspects or priorities things should have, in the end we both wanted the same thing, I just was promised to never become a member of the OpenBSD project, so it’s really just “them” being uncooperative. (They (Henning and others) did burn the T-Shirt I gave Theo as a gift some day for making OpenBSD what it was. I won’t comment on that, again, now.)

[BT] MirOS #10-current (FrOSCon) ISO

19.08.2010 by tg@
Tags: event snapshot

The FrOSCon Edition “Federrosé” ISO is now [link deleted 2014-05-13, we do not use torrent any more] available for download using BitTorrent. Because our usual tracker Scarywater is down, the file is now hosted here and tracked using OpenBitTorrent primarily.

  • MD5 (MIRA0819.ISO) = 3ecab5f91e042580cf38571119b01fff
  • RMD160 (MIRA0819.ISO) = c78ca3d2b1414c869ae15fd285cd2544b6eab6b1
  • SHA1 (MIRA0819.ISO) = a9f343b019a238456ae6152191e06bdeff8ecca3
  • SIZE (MIRA0819.ISO) = 713031680
  • TIGER (MIRA0819.ISO) = 56dc76dbd112fe70eee5f393b5d90c097f60fb6211c31ced

Enjoy!

Back home

11.07.2010 by tg@
Tags: bug debian event geocache mksh news release snapshot

Bordeaux was very nice (and towards the end much cooler… it’s actually hotter here at more than 50½° north – too warm to think, or do anything) but the LSM/RMLL was very french. They’ll be in Straßburg and Lüttich the next two years so we can probably be expected to attend. I don’t think I can eat duck (which, in south-west france, is a vegetable) or like all that classic french multi-course food so much, but I had enough Couscous Merguez and Thé à la menthe fraîche… and similar good stuff. Many people spoke English and actually asked me whether I do (probably they couldn’t bear me trying to spea^W^W^Wbutchering the language of the Grande Nation) and in general were a friendly bunch. I did see some people with machine guns in the city on the last day, though. No idea what/why… didn’t dare asking ☻

Just another reason to boycott flying: Mario Lang (one of the speakers) was apparently held on the airport and treated as a terrorist due to his Braille line… they thought it was a bomb or somesuch thing.

Read on for more…

Travelling with the Thalys and TGV was nice (but I loathe the Métro parisienne… they should build a ring train like the Berlin S-Bahn and just put another stop before Paris Nord and Montparnasse for people who just want to switch trains to take the ring train to the other line). And I want air conditioned trams in Germany too!

I met Uriel (invited him for some food and talked lengthy with him and some 9grid guy), XTaran (who was rather busy organising things), and a number of other people. Did some PGP keysigning as well. There’s now an experimental MirOS presence at Launchpad, not sure what exactly we’re going to do with it but, as Canonical does not care (as Jonathan said in his talk – great slides, by the way, really impressive), there’s no harm in having it. Some Perl guy from America (USA… just to make sure ☺) wanted a photograph of me with a sign “I love CVS” just so people back at home would believe him he’s met such a person *grins* of course I plugged in a little advertising but cvs(GNU) is honestly good. The forge hacking session was a little under-visited (but still a success in terms of getting more communication and maybe collaboration underways, especially thinking of common interfaces, DC, semantic web, OSLC-CM) and since the room was (in contrast to my hotel room and the trams!) not air conditioned we didn’t get much hacking done. The Debian booth was about 40% of one FOSDEM style table wide… and subsequently crowded. There were more people (of course, I was trying to get mksh into Haikuports, Mandriva, and other things; talked about KDE 3.5.11 (Trinity), Qt 3 vs Qt 4, and kwalletcli, and in general to a not-so-usual bunch of suspects – like I said, LSM/RMLL really is pretty french-only).

It is too hot, but I still committed src/etc/rc,v version 1.110 which you want to upgrade your /etc/rc to before upgrading mksh(1) in MirBSD. (All in the name of better performance on platforms such as Debian/m68k and not raiding Linux’ inferior RNG… but it does simplify things.)

I could probably write more but at the moment just want to lie down and die until it gets cooler… even the rain didn’t help. My feet hurt (Montparnasse-Bienvenue didn’t help) too.

CLT 2010

07.03.2010 by tg@

Quite surprisingly, I’ll attend the Chemnitzer Linuxtage 2010 in Eastern Germany. This is a happenstance, I managed to get fast transportation (via my boss) and accomodation (in a hotel). I will try to help staffing the booth of Debian this time (so I cannot be called Traitor any longer). Schedule, due to the spontaneousness of this, no, though. I may not even be there on Sunday, dunno…

No RCBD (or night) though, some real life and a new release (with fix of an FTBFS-on-hurd-i386 bug) though:
RMD160 (/MirOS/dist/mir/makefs/makefs-20100306.tar.gz) = f65bd8ef5cf3306a9112587dd4915b6255e479fe
This version pulls in NetBSD® changes (Acorn Archimedes support, for one), but I’ve also coded support for boot-info-table (J�rg compatible), as well as setting the PVD dates (used by GNU GRUB 2 for “UUID”s).

On MirBSD, cdio(1) can now be used to burn (TAO) and blank (quick) CD-RW media (I backported some OpenBSD changes) too.

The Command-Line Interface for the KDE Wallet, Version 2.02, has been released and dput into Debian unstable. (The lenny-backports version will follow.) It took me quite a while to reproduce, then track down, the bug; having unrelated problems at the same time didn’t help either…

mksh R39c released

25.02.2010 by tg@
Tags: mksh

The MirBSD Korn Shell R39c has been released. This upgrade is strongly recommended for everyone. Focus is on minor but important bug fixes. The recently introduced list of caveats contains language-relevant user-visible changes.

We are proud to announce that the android-x86 project's /bin/sh is now an mksh(1) as well.

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