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* gwl-0.5.0 released [stable]
@ 2022-07-21 15:56 Ricardo Wurmus
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From: Ricardo Wurmus @ 2022-07-21 15:56 UTC (permalink / raw)
  To: info-gnu; +Cc: gwl-devel, guix-devel

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We are pleased to announce the release of the GNU Guix Workflow
Language version 0.5.0, representing 46 commits by two people,
incorporating the results of productive discussions among a number of
helpful people on the #guix and #guix-hpc IRC channels on libera.chat
and on the gwl-devel@gnu.org mailing list.

This is a maintenance release with a number of bug fixes.
For details see the NEWS excerpt below.

• About

  The Guix Workflow Language (GWL) provides an extension to GNU Guix's
  declarative language for package management to automate the
  execution of programs in scientific workflows.  The GWL can use
  process engines to integrate with various computing environments.
  See the manual for details:

    https://workflows.guix.info/manual/

• Download

Here are the compressed sources and a GPG detached signature[*]:
  https://ftpmirror.gnu.org/gwl/gwl-0.5.0.tar.gz
  https://ftpmirror.gnu.org/gwl/gwl-0.5.0.tar.gz.sig

Use a mirror for higher download bandwidth:
  https://www.gnu.org/order/ftp.html

[*] Use a .sig file to verify that the corresponding file (without the
.sig suffix) is intact.  First, be sure to download both the .sig file
and the corresponding tarball.  Then, run a command like this:

  gpg --verify gwl-0.5.0.tar.gz.sig

If that command fails because you don't have the required public key,
then run this command to import it:

  gpg --keyserver keys.gnupg.net --recv-keys BCA689B636553801C3C62150197A5888235FACAC

and rerun the 'gpg --verify' command.

This release was bootstrapped with the following tools:
  Autoconf 2.69
  Automake 1.16.3
  Gnulib v0.1-3269-g03d7a6b1f

NEWS

* Changes in 0.5.0 (since 0.4.0)

** Package handling
- Package specifications may also contain outputs.

** Testing
- Integration tests verify that all examples from the documentation can be executed correctly.
- Integration tests include submission of jobs to a local Slurm cluster via DRMAA.

** Bug fixes
- Processes comparisons are now performed with an identity comparison.
  This was always intended in cache table lookups, but the wrong
  comparison procedure was used.

- Custom interpreters in code snippets would be miscompiled due to a
  regression. =compile-procedure= was modified to address this
  regression.
  
- With containerized execution, the contained script was not passed its
  arguments for inputs, outputs, and values.  Now the arguments are
  passed through.
  
- The container scripts were compiled with fixed values for process
  inputs and outputs; now they read these values from their arguments as
  in other execution modes.
  
- Set the job’s working directory when launching a DRMAA job.

-- 
Ricardo

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