[Haskell-cafe] [ANN] Darcs 2.18.1 release

Sun Feb 25 17:58:23 UTC 2024

The support for newer GHCs is quite welcome! Makes it possible to compile without the LLVM backend on M1 macs.

Thanks!

> On Feb 25, 2024, at 12:47 PM, Ganesh Sittampalam <ganesh at earth.li> wrote:
> 
> Hi,
> 
> On behalf of the Darcs team, I would like to announce the release of
> Darcs 2.18.1 [1].
> 
> The full release notes [2] are appended below.
> 
> Regards,
> 
> Ganesh
> 
> [1] https://hackage.haskell.org/package/darcs-2.18.1
> [2] https://hackage.haskell.org/package/darcs-2.18.1/changelog
> 
> Darcs 2.18.1, 25 Feb 2024
> 
>  * Supports GHC 9.8 and the most recent version of other dependencies
>    at the time of release, with the exception of the tls 2.0 package,
>    which has been held back because of problems connecting to
>    hub.darcs.net (see https://bugs.darcs.net/issue2715).
> 
>  * Substantial rewrite of the 'darcs test' command.
> 
>    The most important user visible change is that a test script can now
>    return an exit code of 125 to reflect an untestable/skipped state
>    (as with with "git bisect run").
> 
>    This in turn means that a group of patches can be found to be
>    responsible for a failure rather than just a single one. By default,
>    Darcs will try to minimise such a group by reordering patches to
>    remove irrelevant ones from the initial group found from the patch
>    ordering in the repository. This behaviour can be disabled with
>    --no-shrink-failure.
> 
>  * Remove support for downloading via curl
> 
>    This is no longer particularly useful as we now use modern,
>    maintained Haskell libraries for native HTTP downloading, and
>    substantially simplifies this area of the code.
> 
>  * Patch index: Significant performance improvement
> 
>    The patch index is used in commands like annotate and log. A couple
>    of performance improvements were made that should speed up using the
>    patch index.
> 
>  * Progress reporting
> 
>    Progress reports are now provided during more long-running
>    operations, including updating the "index" (a cache that speeds up
>    detecting changes in the working directory), and during merge
>    operations.
> 
>    They also behave better on Windows and when outputting long lines.
> 
>  * Other changes/fixes:
>    * Use hardlinks more often to share files between
>      repositories/caches.
>    * Support --leave-test-dir for all commands that support --test
>    * Avoid extraneous "repo:." entries in _darcs/prefs/sources
>      [issue2672]
>    * Add 'darcs clean' command as an alias for 'darcs revert -l'
>    * 'darcs rebase unsuspend': add more patch editing options
>    * Fix stale lock files after Ctrl-C
>    * External merge tools: preserve output, and fail if tool does
>    * Properly reference renamed files in external merge [issue189]
>    * Mark conflicts properly if tag pulled at the same time [issue2682]
>    * Remove the useless optimize pristine subcommand
>    * 'darcs convert': honour the --compress and --diff-algorithm
>      options
>    * Fix contrib/darcs-shell [issue2646]
>    * Fix 'darcs pull --dont-allow-conflicts' with external-merge
>      [issue1819]
>    * Problems with local pristine files now tell user to run
>      'darcs repair' [issue1981]
>    * Fix various problems with symlinks, including on Windows
>    * Add --no-prefs-templates option when creating a repository
>    * Allow 'darcs rebase unsuspend' when there are non-conflicting
>      unrecorded changes
>    * Handle broken pending patches in 'darcs check' and 'darcs repair'
>    * Improve error reporting when remote _darcs/format doesn't exist
>    * 'darcs optimize reorder': add --deep/--shallow options
>    * 'darcs optimize compress/uncompress': also handle pristine files
>    * 'darcs optimize cache': don't work with lists of darcs repos
>      Instead just the global cache is cleaned by checking hard-link
>      counts
>    * Skip the pager when $DARCS_PAGER / $PAGER are set to the empty
>      string
>    * 'darcs convert export': allow relative paths for --read-marks and
>      --write-marks
>    * Fix 'darcs amend --unrecord' to move unrecorded changes to pending
>      [issue2697]
>    * Don't treat cancelling an operation as failure [issue2074]
>    * Fix cloning of ssh repo when using Ctrl-C to stop getting patches
>      [issue2701]
>    * Don't report invalid regexes as a bug in darcs [issue2702]
>    * Add short option -n for --dry-run
>    * 'darcs diff': support --look-for-moves and --look-for-adds
>    * Fix buffering problem with 'darcs diff' [issue2704]
>    * 'darcs obliterate' and 'darcs rebase': offer to revert any
>      conflicting unrecorded changes
>    * Stop displaying context lines in various interactive scenarios:
>      it didn't work properly and would require a lot of work to fix.
>    * Improve conflict display for Rebase and V3 patches
>    * Increase size limit to 100K for environment variables like
>      DARCS_PATCHES_XML, and warn when it is exceeded
>    * 'darcs rebase unsuspend': improve the display of dropped
>      dependencies
>    * 'darcs amend --ask-deps': also provide a way to remove
>      dependencies
>    * 'darcs push': support --reorder-patches option
>    * Remove the --remote-repo option
>    * Don't display hints about using --set-default
>    * Conflict resolution: unrecorded changes will suppress conflict
>      marking of appropriate changes [issue2708]
>    * Explain what a "clean tag" is in help for tag command
>    * Fix problem with naming patch bundles after patches that contain
>      characters incompatible with the current locale [issue2716]
> 
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