gwl-0.5.1 released [stable]

[Ricardo Wurmus]

We are pleased to announce the release of the GNU Guix Workflow
Language version 0.5.1, representing 17 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.  See also the manual:

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

• 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.

• Download

Here are the compressed sources and a GPG detached signature[*]:
  https://ftpmirror.gnu.org/gwl/gwl-0.5.1.tar.gz
  https://ftpmirror.gnu.org/gwl/gwl-0.5.1.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-0.5.1.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 0.5.1 (since 0.5.0)
** Package handling
- Packages are now handled as Guix manifests instead of plain lists.  This 
makes handling of package outputs nondestructive.  It also fixes an unrelated 
issue in the ordering of process packages – the implicit bash-minimal is now 
ordered last.
** Bug fixes
- Fix argument parsing handler for =max-file-size= option.
- Fix argument paring validation for =workflow-directory= option.
- Fix secondary argument parsing for input mapping.  This was likely broken by 
commit 2a5a34bc2062ccd04d33d61530a1e9ed03140d82 that causes “--” to be passed 
as an argument to the GWL entry point.
- Use an identity comparison for all lookups of processes in hash tables.  This 
is a continuation of work done in 0.5.0.
- Remove over-zealous caching of processes based on identical procedures.  This 
would ignore differences in the execution environment.
** Miscellaneous
- The contents of input files are now hashed instead of just their metadata.

-- 
Ricardo

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