[racket-dev] snapshot builds

From: Robby Findler (robby at eecs.northwestern.edu)
Date: Sat Jul 20 08:02:13 EDT 2013

FWIW, there is now a similar page running at Northwestern:



On Tue, Jul 2, 2013 at 2:40 PM, Matthew Flatt <mflatt at cs.utah.edu> wrote:

> Here's a rough cut at a snapshot build with the new package
> organization:
>   http://www.cs.utah.edu/plt/snapshots/20130702-c90365e/
> While there are plenty of rough edges, enough is in place to show how I
> see distributions and packages working with the new organization.
> The snapshot page has
>  * "Racket" installers with the usual stuff: DrRacket, HtDP support,
>    etc.
>  * "Minimal Racket" installers for just the core build.
> Each Minimal installer is configured to refer back to the snapshot site
> for package installations; each package that is included in the
> distribution is available from the snapshot site in pre-built form. (If
> a package is not available from the snapshot site, then a package
> search will continue with "pkg.racket-lang.org", etc.)
> For example, starting with with a Minimal installation and running
> `raco pkg install -i --deps search-auto gui' gets you `racket/gui' in
> compiled form (in about 1 minute on my machine), along with the
> necessary native libraries, the `gracket' launcher, documentation, and
> so on.
>  [Using `-u' or `-s' doesn't yet work, because the installation-wide
>   catalog configuration is not used as the default for `-u' or `-s'.
>   I'll fix that.]
> After installing `gui', then `raco pkg install -i --deps search-auto
> drracket' gets you DrRacket (in about 30 seconds).
>  [Unfortunately, the `drraccket' step also deletes some documentation
>   that was installed by the `gui' step, so I have more work to do
>   there, too.]
> I image that releases will ultimately work the same way: installers
> will be configured to start with a catalog server that provides
> pre-built packages compatible with the release --- and those packages
> will be the responsibility of the distribution server, not
> "pkg.racket-lang.org".
> The set of packages available in pre-built form need not be just the
> ones in a distribution. The choice of available pre-built packages is
> separate from the choice of packages into include in a distribution, so
> pre-built packages can be available and useful for a "Racket" installer
> as well as a "Minimal Racket" installer. I expect that our release and
> snapshot sites will provide pre-built versions of all ring-0 packages.
>  [A piece that's missing: online documentation as a fall-back for
>   installed documentation. For example, suppose you install "gui",
>   search installed documentation for "WXME", go to the "WXME Decoding"
>   section, find "htdp" on that page, and click `htdp/image'. Then, you
>   get a link that goes back to the snapshot site (because you don't
>   have the relevant package installed), which is as intended. But the
>   link doesn't yet give you documentation.]
> I expect to make
>   http://www.cs.utah.edu/plt/snapshots/
> updated daily or so with a new snapshot (and a front page that points
> to the latest snapshot). Each snapshot will be available for some
> amount of time (a week?) to serve packages before it is removed.
> That's not to say that "www.cs.utah.edu" will be home to the main
> PLT-provided snapshots, but I imagine that it will be around as an
> option. The process is designed to make it as easy as possible set up
> extra snapshot sites.
> _________________________
>   Racket Developers list:
>   http://lists.racket-lang.org/dev
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