[squeak-dev] Squeak and Tonel
forums.jakob at resfarm.de
Sun Feb 17 21:34:10 UTC 2019
Hi Eliot, hi all,
(reducing the addressees to squeak-dev again because I suppose the Pharo or
VM devs are not that much interested in the Tonel port)
Am So., 17. Feb. 2019 um 21:27 Uhr schrieb Eliot Miranda <
eliot.miranda at gmail.com>:
> I therefore wanted a Tonel that could both function for Squeak's
> Monticello and for Pharo's Iceberg. I had modified the Tonel serialization
> a little to provide well-formatted support for method timestamps, which are
> still a key and extremely useful part of Squeak Monticello's "blame"
> equivalent. Until git author attribution can be imported into Squeak's
> Monticello (something I don't see happening) I wanted merely to be able to
> have a variant of Tonel, enabled for example by a class variable, and hence
> /not/ present in Pharo, that would allow VMMaker.oscog to use Tonel but
> still be functional inside Squeak. I asked Esteban and was met by a flat
> no. Not "OK, but this is an option only you will use", but a flat "not
> under any circumstance".
Sorry to hear that. I understand your frustration.
> So here I am joining in this thread reluctantly. I'm extremely frustrated
> by the state of Tonel in Squeak and between the two dialects. Clément had
> moved his Scorch optimizer to Tonel/git and I tried to use Metacello and
> Jakob's Tonel code to at least allow me to load that code and try and push
> forward on Sista/Scorch. The port *does not work*. Metacello fails to
> load Scorch. Neither Jakob nor Fabio, after putting in some effort, were
> able to fix the problem, and it is well beyond me. So I have accepted the
> fact that I will have to use the Monticello repository for Scorch/Sista.
For anybody who would like to work on this: IIRC the problem is that if you
try to load a Tonel project with Metacello, it attempts to load it like a
FileTree project, which obviously fails. My as-yet-unverified theory is
that there is something in Gofer or about the github:// Monticello
repository code that hardcodes the use of FileTree instead of any other
reader. If that is correct, one must find this code and extend it to look
out for Tonel repositories and use the TonelReader when required. Maybe
there are some changes to cherry-pick from Pharo.
Personally, I am very fond of the use of Git instead of Monticello, but not
convinced of Tonel so far. Yet we can expect Tonel to be something we will
have to live with for some time (just like Monticello's overreliance on
unique version names seen in other current threads, though the latter is an
old problem and the adoption of Tonel is a new one). And I would not like
to see the pool of available libraries for Squeak become even more limited
because of the lack of support for a file-out format. I have spent my free
time on Squeak only sporadically during the past year. As much as I would
have liked to help Eliot further, it didn't appeal to me to spend a free
evening or weekend digging through Metacello's code.
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