[darcs-users] darcs patch: Resolve issue1229: strictify checkPristineAgainstSlurpy.

Wed May 27 18:35:09 UTC 2009

Hi all,

On Wednesday 27 May 2009 15:40:10 Eric Kow wrote:
> Hi Reinier,
>
> Would you mind looking at this one?
>
> I imagine most of the work is in thinking about the patch comment :-),
> but I'm not very experienced in thinking about laziness.  Are you?

I'm not a guru, but I've done this thing before. This patch is correct. Before 
the IO Bool from checkPristineAgainstSlurpy can be used, the boolean itself 
has to be computed. So no funny things about exceptions arising when the bool 
is computed from it.

It might be a good idea to add a comment to checkPristineAgainstSlurpy that it 
may throw exceptions, and that explains the strictification. A patch adding 
such comment is attached.

Writing this comment prompted me to wonder why darcs runs code that throws 
exceptions inside unsafeInterleaveIO. That's asking for trouble. I think the 
real solution would be to move the catch inside the unsafeInterleaveIO and 
have the unsafeInterleaveIO'd function return a Maybe or Either.

Regards,
Reinier

-------------- next part --------------
Wed May 27 15:18:20 CEST 2009  Petr Rockai <me at mornfall.net>
  * Resolve issue1229: strictify checkPristineAgainstSlurpy.

  The code in replayRepository' in Darcs.Repository.Repair relies on being able
  to catch exceptions that arise while running checkPristineAgainstSlurpy.
  Unfortunately, due to unsafeInterleaveIO used in the SlurpDirectory code, the
  exception does not get thrown until after the `catchall` is out of scope,
  ie. when the "is_same" condition is evaluated (a supposed pure value, but
  unsafeInterleaveIO has introduced latent exceptions into the equation). Making
  the return from checkPristineAgainstSlurpy strict (using $!) forces execution
  of the interleaved IO and trips the exception in the right context.

Wed May 27 20:13:47 CEST 2009  Reinier Lamers <tux_rocker at reinier.de>
  * Add comment explaining strictification of checkPristineAgainstSlurpy

New patches:

[Resolve issue1229: strictify checkPristineAgainstSlurpy.
Petr Rockai <me at mornfall.net>**20090527131820
 Ignore-this: 8d35ecced399c9e556f92949065dd505

 The code in replayRepository' in Darcs.Repository.Repair relies on being able
 to catch exceptions that arise while running checkPristineAgainstSlurpy.
 Unfortunately, due to unsafeInterleaveIO used in the SlurpDirectory code, the
 exception does not get thrown until after the `catchall` is out of scope,
 ie. when the "is_same" condition is evaluated (a supposed pure value, but
 unsafeInterleaveIO has introduced latent exceptions into the equation). Making
 the return from checkPristineAgainstSlurpy strict (using $!) forces execution
 of the interleaved IO and trips the exception in the right context.
] hunk ./src/Darcs/Repository/Internal.hs 1007
 checkPristineAgainstSlurpy repository@(Repo _ opts _ _) s2 =
     do s1 <- slurp_recorded repository
        ftf <- filetype_function
-       return $ nullFL $ unsafeDiff (LookForAdds:IgnoreTimes:opts) ftf s1 s2
+       return $! nullFL $ unsafeDiff (LookForAdds:IgnoreTimes:opts) ftf s1 s2

 withTentative :: forall p a C(r u t). RepoPatch p =>
                  Repository p C(r u t) -> ((AbsolutePath -> IO a) -> IO a)
[Add comment explaining strictification of checkPristineAgainstSlurpy
Reinier Lamers <tux_rocker at reinier.de>**20090527181347
 Ignore-this: bb5f661a7a2d623c925142c7c96c3688
] hunk ./src/Darcs/Repository/Internal.hs 1007
 checkPristineAgainstSlurpy repository@(Repo _ opts _ _) s2 =
     do s1 <- slurp_recorded repository
        ftf <- filetype_function
+       -- The @$!@ is necessary because some code called from this function uses
+       -- unsafeInterleaveIO around functions that throw exceptions. If one used
+       -- @$@ instead of @$!@ here, those exceptions might not be caught by code
+       -- that runs this function inside a @catch at .
        return $! nullFL $ unsafeDiff (LookForAdds:IgnoreTimes:opts) ftf s1 s2

 withTentative :: forall p a C(r u t). RepoPatch p =>

Context:

[Refactor "darcs optimize" help.
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] 
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Dan Pascu <dan at ag-projects.com>**20090525084343
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] 
[Require version strings to be strings.
Trent W. Buck <trentbuck at gmail.com>**20090525084702
 Ignore-this: 126df16ea187662855c9ce97088eeace
] 
[Refactor Setup.commonBuildHook.
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 Ignore-this: 2321197a2f4ad3ed533f2f3aaf455ca7
 In detail, the changes are: use SHOW instead of nonstandard kludge
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 used just after it is bound; inline some trivial one-shot top-level
 definitions; and... add comments!
] 
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Trent W. Buck <trentbuck at gmail.com>**20090524101320
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] 
[Appease ghc -Wall in Setup.
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 Ignore-this: 901a5582eff042d8f8da6699ec4ca5bc
] 
[Remove trivial bashisms.
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] 
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 Ignore-this: ae3eb6f914a4c7b1f8b20a5ce48633b
] 
[Rollback unnecessary bashism.
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 The change made darcs-shell expect the user argument (the `fred' in
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] 
[Translate git-shell2 to darcs-shell.
CS?CSY L?szl? <boobaa at frugalware.org>**20090520041135
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CS?CSY L?szl? <boobaa at frugalware.org>**20090520040939
 Ignore-this: 780bead22e86016e790beb6dec2564b2
] 
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 Ignore-this: 55b1da3e3c654046d4b7c086c3483ed7
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] 
[Accept issue1461: case folding can corrupt working directory.
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 Ignore-this: 3d2121e6052e8ce4a6d8b10e3e774261
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 Increases vertical density of the introductory text, which hopefully
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] 
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 Also, rename 'Going Places' to Darcs Team and demote it.
] 
[Update web page to account for mailing list merge.
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] 
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] 
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 be visible to manpageLines.  But manpageLines needs to be visible to
 the help command in Darcs.Commands.Help!  The simplest way for me to
 break this impending cyclic import is to just move the few definitions
 in Manpage into Help.
] 
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Ganesh Sittampalam <ganesh at earth.li>**20090512205429
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 This is important since optimize --compress can create them

] 
[script for issue1248
Ganesh Sittampalam <ganesh at earth.li>**20090511214236
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Salvatore Insalaco <kirby81 at gmail.com>**20090501104711
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 There are some limitations:
 - I didn't modify maybe_relink.c, so it doesn't work in darcs optimize --relink.
 - It works breaks compatibility on Windows versions before Windows 2000.
 - It works only on NTFS, but fails gracefully.

] 
[Resolve issue1351: fix repository path handling on Windows.
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 but not on Windows, where it could lead to a non-existing unit or an UNC
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] 
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 Renaming this directory makes me, at least, less confused.
] 
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] 
[Resolve issue1312: update and reduce build notes.
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 Remove lengthy discussion of Windows madness, on the basis that
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 Remove out-of-place, stale-ish "darcs send" discussion.  It can be
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] 
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[add check.sh test.
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[Make Darcs.Patch.Unit use Test.Runner
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[Make Test.Runner capable of tracking failure reasons
Reinier Lamers <tux_rocker at reinier.de>**20090429224425
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 This module will provide things like running the unit tests in parallel and
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] 
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Dmitry Kurochkin <dmitry.kurochkin at gmail.com>**20090424115429
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] 
[Accept issue1446: amend-record -m foo destroys long description without warning.
Dmitry Kurochkin <dmitry.kurochkin at gmail.com>**20090424115305
 Ignore-this: 4f33ed8e97ea149237821c7b28fa54b4
] 
[don't get unrecorded if filelist is empty
Benedikt Schmidt <beschmi at gmail.com>**20090424114104
 Ignore-this: 77ca6f70f9c61b3abb7ca896a9f6c9d2

 The unrecorded patch is only needed to transform the
 filelist, so we do not need the unrecorded patch if
 the list is empty. The problem is that if an empty
 filelist is passed to get_unrecorded_in_files_unsorted,
 all files in the working directory are examined.
] 
[fix comment
Benedikt Schmidt <beschmi at gmail.com>**20090418103803
 Ignore-this: 96fad164fe4551a403a22a3c8c43265e
] 
[shorten comment
Benedikt Schmidt <beschmi at gmail.com>**20090423232441
 Ignore-this: 7ef97ce4684b5fcf0d0df6672aa44bcd
] 
[change parseData in OldDate and IsoDate to use ByteStrings
Benedikt Schmidt <beschmi at gmail.com>**20090424083317
 Ignore-this: 1a629249eec23e8ada10be3d42065f57

 This is a performance optimization to speed up patch
 parsing and make_filename. The old version used naive
 list code to parse the date (drop, take, and read). Just
 using the more efficient ByteString versions makes the code
 fast enough to not be a bottleneck.
] 
[Remove unused import in Darcs.Patch.Check.
Dmitry Kurochkin <dmitry.kurochkin at gmail.com>**20090423180907
 Ignore-this: 405c10bbdb5e27dc6f02e1cdc6d1b19a
] 
[Haddock the Darcs.Patch.Effect class.
Eric Kow <kowey at darcs.net>**20090419120033
 Ignore-this: c25d70cb4dea5453f6258923458cfa11
] 
[Haddock in Darcs.Patch.Non: NonPatch and unNon.
Eric Kow <kowey at darcs.net>**20090419111012
 Ignore-this: bd28363aa61e952b238cd956ce8f8f6b
] 
[Haddock Darcs.Patch.Permutations.removeFL and related functions.
Eric Kow <kowey at darcs.net>**20090419135013
 Ignore-this: 7fc05477bc2cf984dbc37b141638a2d2
] 
[Add an explanation of headPermutationsFL and friends.
Eric Kow <kowey at darcs.net>**20090419110329
 Ignore-this: f3246addced58a75b518ba54981c5c68
] 
[Resolve issue1186: give a chance to abort if user did not edit description file.
Dmitry Kurochkin <dmitry.kurochkin at gmail.com>**20090423120549
 Ignore-this: 84a1431b376c91e135d68094dee25e44

 When user does not change file for send or record description ask if
 darcs should continue.
] 
[Explain why we do read_repo twice instead of using previous patchset in Changes.
Dmitry Kurochkin <dmitry.kurochkin at gmail.com>**20090423122058
 Ignore-this: f1132f7fd1990a47ec6c6566fb5ea44b
] 
[Fix changes --max-count with no files given.
Dmitry Kurochkin <dmitry.kurochkin at gmail.com>**20090422192628
 Ignore-this: 2b486c6ce56267b4f3afea806e099a43

 Darcs does not handle max-count when no files given:

   > darcs changes --max-count 1 --count
   7356

 Fix empty file list case in filter_patches_by_names.
] 
[Fix 'changes --only-to-files' to work with renames.
Dmitry Kurochkin <dmitry.kurochkin at gmail.com>**20090422182358
 Ignore-this: 4c50966d553fbd68cbe899902e9a2630

 To make --only-to-files work with renames we need to keep filename list
 for each patch. Right now when file changes are printed they are matched
 against original filenames (creation time filenames). This means that if
 a file was renamed detailed changes are not printed for patches after
 rename.

 "darcs changes --summary --only-to-files GNUmakefile" demonstrates the
 issue. Detailed changes are printed only for patches affecting Makefile,
 not GNUmakefile.
] 
[Resolve issue1432: refer to %APPDATA%, not %USERPROFILE%.
Trent W. Buck <trentbuck at gmail.com>**20090423054727
 Ignore-this: 2836bb1f24104a8e2347f7c755847c75
 See also http://haskell.org/ghc/docs/latest/html/libraries/directory/
 System-Directory.html#v%3AgetAppUserDataDirectory
] 
[Resolve issue1434: refactor example test.
Trent W. Buck <trentbuck at gmail.com>**20090423011745
 Ignore-this: eab79a32c39a957540dbeeb302292ddd
] 
[Avoid GNUism (grep --count).
Trent W. Buck <trentbuck at gmail.com>**20090423004559
 Ignore-this: 7bec3c7980d9126d549927c4c1c03f21
] 
[Comment lazy pattern matching in (-:-) from Changes module.
Dmitry Kurochkin <dmitry.kurochkin at gmail.com>**20090423091942
 Ignore-this: fb157d66384ea8a47b4acfeaf858850f
] 
[Remove world_readable_temp files at exit.
Dmitry Kurochkin <dmitry.kurochkin at gmail.com>**20090422132620
 Ignore-this: 7ae1ec224a0ecdfc6d9847a8cc8dd29e
] 
[style tweak: Remove a use of fromJust with pattern-matching.
Eric Kow <kowey at darcs.net>**20090412154209
 Ignore-this: 7264261fffb592aede6b0cc6e695d3dd
] 
[Resolve issue1430: lazy pattern matching in (-:-) from Changes command module.
Dmitry Kurochkin <dmitry.kurochkin at gmail.com>**20090421224539
 Ignore-this: d1d3a01a9480cd142bd1f06ec24d6ed6

 Prevents darcs from computing full patch list for interactive changes.
] 
[Add newline after description and indent changes when --only-to-files used.
Dmitry Kurochkin <dmitry.kurochkin at gmail.com>**20090422091455
 Ignore-this: 321e70c42b04b881474ea6a0f351158a

 This makes 'darcs changes --summary --only-to-files' formatting same as
 'darcs changes --summary'. 
] 
[Make 'darcs changes --summary --only-to-files' print renames.
Dmitry Kurochkin <dmitry.kurochkin at gmail.com>**20090421234751
 Ignore-this: 82a328d01fb4aa4bf90a0af9edb48200

 Rename patch touches two files. We need to handle this case to get renames
 printed in changes summary.
] 
[Do not count patch number in view_changes unless requested.
Dmitry Kurochkin <dmitry.kurochkin at gmail.com>**20090421224052
 Ignore-this: 963f50fe21357896de43f31b82eaff56

 Print '?' as total patch number. Add option 'c' to count total patch
 number.
] 
[Do not filter patches in view_changes.
Dmitry Kurochkin <dmitry.kurochkin at gmail.com>**20090421222412
 Ignore-this: abef8fdca86659b319fb1c342647fd59

 view_changes is used in changes_cmd after patches are filtered. So no
 filtering is needed in view_changes. Should be correct since we expect
 the same list of patches in both interactive and non-interactive
 changes.
] 
[fix memory leak in check/repair
David Roundy <droundy at darcs.net>**20090321042237
 Ignore-this: 21a3f1766aafde76f4a6d471dc8ce13450930947
] 
[Add darcs whatsnew --no-cache.
Eric Kow <kowey at darcs.net>**20090418170326
 Ignore-this: f2665335cd1396a1134a3c630b2eaf3f
] 
[Refactor no-cache flag.
Eric Kow <kowey at darcs.net>**20090418143240
 Ignore-this: 30b8280c5a5e752a2a788dece4803df0
] 
[Haddock filter_patches_by_name, sort of.
Petr Rockai <me at mornfall.net>**20090419120943
 Ignore-this: 5425fc3c127fd1663543755877a0aa1b
] 
[Push the max-count handling into filter_patches_by_names to allow for laziness.
Petr Rockai <me at mornfall.net>**20090419120939
 Ignore-this: 2917353b0f82919085e2eb9e2bb39ef4
] 
[resolve issue1437: Implement darcs changes --max-count.
Eric Kow <kowey at darcs.net>**20090417185959
 Ignore-this: c244ccdcd6e7c722b27f45310209cef2
] 
[Add a --max-count switch (no implementation).
Eric Kow <kowey at darcs.net>**20090417185408
 Ignore-this: a81b02be00f17340c225b3a33cbfe0b6
] 
[Minor refactor in Darcs.Arguments.
Eric Kow <kowey at darcs.net>**20090417184048
 Ignore-this: 51db9497615a092626701e63bc7b1be4
] 
[Advertise help --match in "darcs help".
Trent W. Buck <trentbuck at gmail.com>**20090418033044
 Ignore-this: b91da5d1571c88ca51a21e18da20a11c
] 
[Refactor English patch/patches in darcs get.
Eric Kow <kowey at darcs.net>**20090413180400
 Ignore-this: 3762aa5af1a16467a2a1ce00db3fb946
] 
[resolved issue1339: No longer use the color printer for the rollback log
Nicolas Pouillard <nicolas.pouillard at gmail.com>**20090409142456
 Ignore-this: db75c89b6b5ff745ebc4a818f9541e12
] 
[Refactor "darcs convert" help.
Trent W. Buck <trentbuck at gmail.com>**20090418144548
 Ignore-this: 7a5f668ec19cba5c14a619ffb0cd8ce0
] 
[Accept issue1442: expect noop = decode . encode.
Trent W. Buck <trentbuck at gmail.com>**20090422075430
 Ignore-this: 495be78a6c5da68e810fcbad625fca1d
] 
[Fix "cabal haddock" by calling the right hook bits in Setup.
Petr Rockai <me at mornfall.net>**20090419092652
 Ignore-this: b060043cbb01af9b26eaeb9b59822311
] 
[don't hide other kinds of error when removing Context.hs
Simon Michael <simon at joyful.com>**20090418191206
 Ignore-this: 35dcca369299db0cfab2afb806584cbf
] 
[Remove autoconf's Context.hs when cabal building, cabal build can't parse it
Simon Michael <simon at joyful.com>**20090418185548
 Ignore-this: cd07a88e32a7c95c80d8b58bc23d4d7f
] 
[Bump version to 2.3 alpha 0.
Petr Rockai <me at mornfall.net>**20090419141728
 Ignore-this: cca20f5fc721760523a52a2de4d41201
] 
[Rewrite superdirs_exist with System.FilePath
Reinier Lamers <tux_rocker at reinier.de>**20090419150627
 Ignore-this: 6f24888d7a4ea1afe6156397c076ef17

 It's not a performance improvement as I hoped, but it's shorter and it
 replaces regex foo by standardized filepath functions.
] 
[Replace indexed lists by map in PatchCheck
Reinier Lamers <tux_rocker at reinier.de>**20090418160100
 Ignore-this: fee77635e1d7f145c74625aea6576e38
] 
[Remove unused import in Darcs.Commands.Remove.
Eric Kow <kowey at darcs.net>**20090411083232
 Ignore-this: f26b10417be416081e3cf6df79b1e396
] 
[Follow autoconf convention of @VAR@ for .in files.
Trent W. Buck <trentbuck at gmail.com>**20090411042736
 Ignore-this: 2301bde8b0f45669093cb882f3e3bf76
] 
[Code churn in Darcs.Commands.Add and Darcs.Commands.Remove.
Trent W. Buck <trentbuck at gmail.com>**20090411030407
 Ignore-this: 2afed8ee507a8ab043bb9d7e46a84577
] 
[Alphabetise .authorspellings.
Eric Kow <kowey at darcs.net>**20090411073908
 Ignore-this: e9e0b4a0baa4d47e786dadff4b47ff71
] 
[Canonize Aaron Kaplan.
Eric Kow <kowey at darcs.net>**20090411073807
 Ignore-this: aaaaa5f3fc8a8978b7483e806cf1a808
] 
[Add issue1327.sh
dk59gjhnd at aaronkaplan.info**20090329213821
 Ignore-this: f62fe80d5a1eae6bfc07e3ac4e85590
] 
[Resolve issue1423: complain about empty add/remove.
Trent W. Buck <trentbuck at gmail.com>**20090410031243
 Ignore-this: 33f0cf72dc6d31e48d6fdda6b1f0883c
] 
[fix help message for __index
Thomas Hartman <thomashartman1 at gmail.com>**20090410201431
 Ignore-this: 74cfae63c3f6b9bb52f7b645455f4494
] 
[Include literate docs from Darcs.Patch.Prim in the user manual.
Trent W. Buck <trentbuck at gmail.com>**20090406092939
 Ignore-this: cf2f452e3519839ada2276697f0f08d8
] 
[added more docs, plus some renamings and simplifications
ben.franksen at online.de**20090401190250
 Ignore-this: 626996efc928cb7afef82c5d2ddfe4a1
] 
[bugfix, don't allow replace tokens containing whitespace
Tommy Pettersson <ptp at lysator.liu.se>**20090408075637
 Ignore-this: 7c3f8c4ed4904f8ffb2516167148040d
 The current file format of the Replace patch can not handle it.
] 
[rollback rollback of test for issue1373, and modify it
Tommy Pettersson <ptp at lysator.liu.se>**20090408075407
 Ignore-this: 375b5dd6aae786ce18ee78be2050e5a3
 The new version of the test checks that literal spaces in complement
 token-chars fails.

 rolling back (part of):

 Mon Apr  6 11:38:02 CEST 2009  Eric Kow <kowey at darcs.net>
   * Rollback issue1373 fix, which causes a regression.
   More details in Tommy Pettersson's 2009-04-06 message on darcs-users,
   message ID <20090406091959.GA5222 at fruity>
] 
[rollback rollback of refactoring of Replace, and modify to disallow space
Tommy Pettersson <ptp at lysator.liu.se>**20090408075338
 Ignore-this: e828b7be4ccf9b21ecdb0230907e78a8

 rolling back (part of):

 Mon Apr  6 11:38:02 CEST 2009  Eric Kow <kowey at darcs.net>
   * Rollback issue1373 fix, which causes a regression.
   More details in Tommy Pettersson's 2009-04-06 message on darcs-users,
   message ID <20090406091959.GA5222 at fruity>
] 
[rollback rollback of haddock for Replace
Tommy Pettersson <ptp at lysator.liu.se>**20090408075315
 Ignore-this: dd6520e555e72f89df303b4d9e652445

 rolling back (part of):

 Mon Apr  6 11:38:02 CEST 2009  Eric Kow <kowey at darcs.net>
   * Rollback issue1373 fix, which causes a regression.
   More details in Tommy Pettersson's 2009-04-06 message on darcs-users,
   message ID <20090406091959.GA5222 at fruity>
] 
[haddock RegChars
Tommy Pettersson <ptp at lysator.liu.se>**20090408074754
 Ignore-this: 26330c9f18cb17b81c5346bbcac57e72
] 
[add test for replace with space in token
Tommy Pettersson <ptp at lysator.liu.se>**20090406213630
 Ignore-this: 6610089f3131902318046aa624f460b1
] 
[fixed check for haskeline, there was one comma too much
ben.franksen at online.de**20090406204005
 Ignore-this: f446e56e5c716fda1a3fe05df7d8db1e
] 
[moved test for resolved issue1162 from bugs to tests
ben.franksen at online.de**20090329223730
 Ignore-this: 34f0fc91b57c017e101cb068537b0c79
] 
[Remove duplicate function: n_fn.
Trent W. Buck <trentbuck at gmail.com>**20090407072050
 Ignore-this: 68a7f7562e69cad079dbedaf88734aae
] 
[Resolve issue1413: remove duplicate documentation.
Trent W. Buck <trentbuck at gmail.com>**20090407062034
 Ignore-this: b6058a1ddf794640f5e4dfd777d5cc92
] 
[Attribute and license (GPL2+) zsh completion code.
Trent W. Buck <trentbuck at gmail.com>**20090329234131
 Ignore-this: 85fdfe24ae16326ca89a19cb661324da
] 
[Resolve issue1415: --edit-long-comment, not --edit-description, in help.
Trent W. Buck <trentbuck at gmail.com>**20090406051622
 Ignore-this: 2fa05af16c936b3c9fa351aa19da7fd1
] 
[Accept issue1401: bug in get_extra commuting patches.
Trent W. Buck <trentbuck at gmail.com>**20090407083144
 Ignore-this: b420ff13f809cebfa7a15172383326c8
] 
[It's now safe to assume \darcsCommand appears on its own line.
Trent W. Buck <trentbuck at gmail.com>**20090407080955
 Ignore-this: 8263eb244e5b031326ec980bb9b10560
] 
[Demote some single-use top-level functions.
Trent W. Buck <trentbuck at gmail.com>**20090407080153
 Ignore-this: 4c53c581c4f1b3a24a29c6582f6d8440
] 
[Add haddocks to preproc (the LaTeX mangler).
Trent W. Buck <trentbuck at gmail.com>**20090407071931
 Ignore-this: 1f11fa8c9ba43a25348559a546fea7e0
] 
[Typo: s/at/all/.
Trent W. Buck <trentbuck at gmail.com>**20090329233833
 Ignore-this: 419fdab7a98c9604d330d2f8bbd01a6d
] 
[Rollback issue1373 fix, which causes a regression.
Eric Kow <kowey at darcs.net>**20090406093802
 Ignore-this: 90eb7ca792a97b034faa239d88bcfbcf
 More details in Tommy Pettersson's 2009-04-06 message on darcs-users,
 message ID <20090406091959.GA5222 at fruity>

 rolling back:

 Sat Mar 28 10:41:48 GMT 2009  Trent W. Buck <trentbuck at gmail.com>
   * Resolve issue1373: make --token-chars [^ \t\n] work as advertised.

     M ./src/Darcs/Commands/Replace.lhs -9 +20
     A ./tests/issue1373_replace_token_chars.sh
] 
[add test for issue1406
Adam Vogt <vogt.adam at gmail.com>**20090403202759
 Ignore-this: 993e5e7051c68edb3cc805a3d5c4f657
] 
[Made --summary --xml-output work for other commands then changes
Florian Gilcher <flo at andersground.net>**20090329133421
 Ignore-this: dabae929ce02afb2c165b0e30ae42395

 Makes print_dry_run_message_and_exit care for --summary --xml-output and print a summary-tag inside the return XML.

 Adapted the Algorithm from Changes.lhs and copied insert_before_lastline from there. (not nice, but works)

] 
[Simplify move of a new directory, as it's made to files.
Marco T?lio Gontijo e Silva <marcot at holoscopio.com>**20090327223103
 Ignore-this: 9d989942015671fa37b4019175fa2549
] 
[Relegate outdated documentation to appendices.
Trent W. Buck <trentbuck at gmail.com>**20090401075743
 Ignore-this: 8f4ac2f058c17173e542aeb0216256a3
 The information on switching from CVS or Arch, and for building Darcs
 against GHC 4.4, were the very first chapters in the user manual.
 This reflected very poorly on us, since it makes it look like Darcs
 hasn't been actively maintained since CVS and Arch were our serious
 competitors.  Similarly, many of our users *never* compile Darcs --
 they use pre-built binaries.  Therefore actually *using* Darcs should
 be the first part of the manual.

 Long term I think these sections should be moved onto the wiki, where
 they can be kept up-to-date by end users.  Right now, just move them
 to be appendices as a minimally invasive first step.
] 
[resolve issue1269: setpref predist - exitcode ignored bug
Ben Moseley <ben at moseley.name>**20090330062620
 Ignore-this: 37c7f6e0061896c457cb7eeefb1d1937
] 
[Accept issue1190: conflicts between HUNK and REPLACE aren't marked.
Trent W. Buck <trentbuck at gmail.com>**20090329072216
 Ignore-this: ae4db3b3abe79c5c0c5e38e2d400404a
] 
[Resolve issue1162: makeAbsolute is now a total function
ben.franksen at online.de**20090327231821
 Ignore-this: d0eb6f94c88610580daa176e39877bc3
] 
[Tidy up Darcs.Bug now that we are no longer using the maintenance file.
Eric Kow <kowey at darcs.net>**20090326132435
 Ignore-this: e7175079b7c028c0bb678a5a4ffa0d8d
 We no longer need to import HTTP or pass a URL argument down.
] 
[Half-heartedly include _darcs/prefs/binaries help in manpage.
Trent W. Buck <trentbuck at gmail.com>**20090328075224
 Ignore-this: b575f68e302745a1425370b8d641ff10
] 
[Document _darcs/prefs/binaries.
Trent W. Buck <trentbuck at gmail.com>**20090328073422
 Ignore-this: 578b39c0ba40053b66bc2b67da3a5ad9
] 
[Resolve issue1373: make --token-chars [^ \t\n] work as advertised.
Trent W. Buck <trentbuck at gmail.com>**20090328104148
 Ignore-this: 2588b1d862a2d5e20ede58c8b56f6168
] 
[Update e-mail address for Marco T?lio Gontijo e Silva.
Marco T?lio Gontijo e Silva <marcot at holoscopio.com>**20090328113711
 Ignore-this: 11ed9a6f479a76e7e1ac2f998e0584
 This patch includes an UTF-8 character in .authorspellings.
] 
[Resolve issue1301: remove obsolete zsh completion scripts.
Trent W. Buck <trentbuck at gmail.com>**20090328120737
 Ignore-this: d0a7415504f84eb7268417cf049a1492
] 
[add a link to the official haddock docs at darcs.net
Simon Michael <simon at joyful.com>**20090326201958
 Ignore-this: 9bc16345fbde762be292b69fa5fdfc5f
] 
[Refactor PatchCheck monad to be defined with Control.Monad.State.State
Reinier Lamers <tux_rocker at reinier.de>**20090327231602
 Ignore-this: b874e0f1e9d630b15ccf803ad92a008f
] 
[Add comments in Darcs.Patch.Check
Reinier Lamers <tux_rocker at reinier.de>**20090327231507
 Ignore-this: c93f2694d6bf166ca859a1d31d3bb89b
] 
[api docs: comment out leading underscore names which break hoogle 4.0.0.5
Simon Michael <simon at joyful.com>**20090326193521
 Ignore-this: b124424216c8a2ed028a14ab647fe9de
 I don't know why this recently stopped working again, this makes it more robust
] 
[Explain purpose of invisiblePrinter.
Eric Kow <kowey at darcs.net>**20090326151546
 Ignore-this: 86e8278c17d87b0d8798be5249f7a13a
] 
[Resolve issue1402: don't "phone home" about bugs.
Trent W. Buck <trentbuck at gmail.com>**20090326053532
 Ignore-this: fd1f1ddd2bad613f54c1237e22d20059
] 
[Resolve issue1405: improve discoverability of global author file.
Trent W. Buck <trentbuck at gmail.com>**20090326071908
 Ignore-this: 5f53bfc8020f6bf34e33362effcf4a10
] 
[Move emailformat.sh to bugs/.
Eric Kow <kowey at darcs.net>**20090323185515
 Ignore-this: 9f9faeb592c9c2dae08ada9d4a76fe1f
 It hangs on the Windows buildslave.
] 
[bugfix, build of documentation after issue1393 mv / move swap
Tommy Pettersson <ptp at lysator.liu.se>**20090323173409
 Ignore-this: 5f6b01b95cdff4874542b51b8d46f834
] 
[Refactor test preference.
Trent W. Buck <trentbuck at gmail.com>**20090322020551
 Ignore-this: fca05844920c906522efc2e9dc41d873
 * Use set -x to print commands as they are run.
 * Use ghc --make instead of runghc as the latter is broken on some
   architectures.
 * Configure with --user so that dependencies can be installed without
   superuser privileges.
] 
[Refactor bugs/add_permissions.sh.
Trent W. Buck <trentbuck at gmail.com>**20090319123823
 Ignore-this: 41b92021958daedc6513318fb7ae8bbb
] 
[Refactor "darcs move" help.
Trent W. Buck <trentbuck at gmail.com>**20090319103952
 Ignore-this: e853bffb0ed29fbd63657c42559e37ff
] 
[Refactor "darcs revert" help.
Trent W. Buck <trentbuck at gmail.com>**20090318011159
 Ignore-this: b9f4be8feb7295e6d143d1abbbaef4f2
] 
[Don't use "accidentally" twice in the same sentence.
Trent W. Buck <trentbuck at gmail.com>**20090318004205
 Ignore-this: a0d2828e5d693e33fe63fa077587649c
] 
[Refactor darcs_binaries.
Trent W. Buck <trentbuck at gmail.com>**20090322045238
 Ignore-this: f69604c422ee22936efc0f7b682def37

 Combine the lowercase and uppercase forms of each extension onto a
 single line.  Also merge some extension variants (e.g. .jpe?g instead
 of two entries .jpg and .jpeg) and sort the extension list.

 I've elected NOT to use Emacs' regexp-opt to build a faster regexp,
 because that would make it very hard for end users to find and remove
 an extension from the default list.  I think merging .jpe?g is OK.
] 
[Refactor actual_boring_file_filter.
Trent W. Buck <trentbuck at gmail.com>**20090322031638
 Ignore-this: 5edebc17df5b1812b36d2af01e8861c8
] 
[Use faster get_unrecorded_in_files in remove command
Reinier Lamers <tux_rocker at reinier.de>**20090322152154
 Ignore-this: 35c52e64536de8d4797109dd12e438d9
] 
[Use faster get_unrecorded_in_files in amend-record command
Reinier Lamers <tux_rocker at reinier.de>**20090322145957
 Ignore-this: 9704a3d2c97698bb52b008ea9c7a326e
] 
[Add haddock comment to Darcs.Commands.Unrecord.generic_obliterate_cmd
Reinier Lamers <tux_rocker at reinier.de>**20090322145047
 Ignore-this: 7fcf3661b99d39b7e61231c6ffb3e935
] 
[Use faster get_unrecorded_in_files in revert command
Reinier Lamers <tux_rocker at reinier.de>**20090322145004
 Ignore-this: 303dc260e3fe8f01019703449dad017f
] 
[Use get_unrecorded_in_files_unsorted in changes command
Reinier Lamers <tux_rocker at reinier.de>**20090321152616
 Ignore-this: 3c8c091d76052765b4b47f0d20714fa9
] 
[Make record look only at cmdline arg files, if any
Reinier Lamers <tux_rocker at reinier.de>**20090320221832
 Ignore-this: 1d88e419cc27ef94790e3944a6cd4c57
] 
[Add get_unrecorded_in_files_unsorted function
Reinier Lamers <tux_rocker at reinier.de>**20090320220829
 Ignore-this: c6dd241aea7a8bec83e3709e07db67c3
] 
[cut confusing use of the Reader monad from Printer.
David Roundy <droundy at darcs.net>**20081209164812
 Ignore-this: ad3f0896e166a1db0d72571f209a8473
] 
[eliminate gratuitous use of Reader monad in Printer.
David Roundy <droundy at darcs.net>**20081209155810
 Ignore-this: 7208dc721584803e7f2aca04a059db2c
] 
[use exitWith under record, when no patches are selected (to not run posthook).
David Roundy <droundy at darcs.net>**20081117155910
 Ignore-this: fbd2af867aab26093ab216092e8fa8d0
] 
[clean up Depends a wee tad
David Roundy <droundy at darcs.net>**20081209180547
 Ignore-this: 3e49dd4bb769fc412249f4ee0fc16dfe
] 
[Refactor "darcs replace" help.
Trent W. Buck <trentbuck at gmail.com>**20090317073310
 Ignore-this: e154082b81ace5fdae5f6103330054ec
] 
[Consistently use EMPHASIS (not *emphasis*) in help.
Trent W. Buck <trentbuck at gmail.com>**20090317031654
 Ignore-this: 4bc23792491fe0a3dcca47bc9aa88534
 Hopefully this looks better in the man, HTML and PDF output targets.
] 
[fix bug in put of darcs-1 format repositories.
David Roundy <droundy at darcs.net>**20090214214640
 Ignore-this: 71ec341ecd24386450cf999b193e96fef0cf1cb1
] 
[Resolve issue1393: swap "darcs mv" and "darcs move".
Trent W. Buck <trentbuck at gmail.com>**20090315080502
 Ignore-this: 773dc2c5a53c67839b5b19ceedbc7236
] 
[Fix a minor conflict between Reinier's and my patches.
Eric Kow <kowey at darcs.net>**20090316090713
 Ignore-this: d22931dd6931847f48f56f23e92f8495
] 
[Make the curl/http flags reflect exactly what darcs is built with.
Petr Rockai <me at mornfall.net>**20090316063519
 Ignore-this: 6ab1c038bfd2634a74adee577506c625
] 
[Accept issue1396: darcs does not detect changepref conflicts.
Eric Kow <kowey at darcs.net>**20090315144859
 Ignore-this: 5d9ab095193e77d13780b97c25cfb3d4
] 
[Announce repository format before running the testsuite for it.
Petr Rockai <me at mornfall.net>**20090316063603
 Ignore-this: 70e6dd751e497210bf24b214aa3bb94e
] 
[Cabal: loosen HTTP package requirement.
Eric Kow <kowey at darcs.net>**20090313165800
 Ignore-this: 190ff4bf60bc5282dcec0fa741e8ee2d
] 
[Cabal: allow -fhttp to co-exist with -fcurl.
Eric Kow <kowey at darcs.net>**20090313165603
 Ignore-this: e18c33beb8fd683bc7a69288b2ad2826
 There are some features which require HTTP and for which we do not have
 curl support.
] 
[Remove support for calling wget/curl on the command line.
Eric Kow <kowey at darcs.net>**20090313102948
 Ignore-this: 31f3124d1298b72b128639a4991fc5f5
] 
[drop the list_authors tool in favour of "darcs show authors"
Simon Michael <simon at joyful.com>**20090313211413
 Ignore-this: 8f3d0010e86275984ea9d71811d26dd7
] 
[Kill unused imports in External.hs
Reinier Lamers <tux_rocker at reinier.de>**20090315162254
 Ignore-this: 216f740bf207738dfda5939f68ce9f5b
] 
[resolve issue1358: encode non-ASCII characters in mail headers
Reinier Lamers <tux_rocker at reinier.de>**20090315152104
 Ignore-this: 1006f69ae92586298ab4949813b0f288
] 
[Add tests for email header formatting
Reinier Lamers <tux_rocker at reinier.de>**20090309203739
 Ignore-this: 1f0357f84f64446d4f4d8ea98b05b383
] 
[Add --user flag to configure in test pref
Reinier Lamers <tux_rocker at reinier.de>**20090309213046
 Ignore-this: 2f14c228856c6cc3de88a01fec772460
] 
[Resolve issue1271: do not install two copies of darcs.pdf.
Trent W. Buck <trentbuck at gmail.com>**20090314064720
 Ignore-this: d4ce03f03fb5a6a506d07aff6ef16440
] 
[Explicitly license more tests (as GPL2+).
Trent W. Buck <trentbuck at gmail.com>**20090111055928] 
[Mimic GNU cp's arg format for "darcs mv".
Trent W. Buck <trentbuck at gmail.com>**20090314094502
 Ignore-this: f5a1c5416b3859172b8082401d15bce2
] 
[Refactor "darcs show files" help.
Trent W. Buck <trentbuck at gmail.com>**20090314083043
 Ignore-this: a000489301ea19a0d0b9042a17450a87
] 
[Mention "darcs query".
Trent W. Buck <trentbuck at gmail.com>**20090314082437
 Ignore-this: f7fdab6361401a1470f091062f697a39
] 
[Refactor "darcs show bug" short description.
Trent W. Buck <trentbuck at gmail.com>**20090314082414
 Ignore-this: f95d467ccfe14017cb6862b3ce54da40
] 
[Refactor "darcs get" help.
Trent W. Buck <trentbuck at gmail.com>**20090314062729
 Ignore-this: 21b6229625c608bd027145ca47d36930
] 
[Refactor "darcs init" help.
Trent W. Buck <trentbuck at gmail.com>**20090314055555
 Ignore-this: 8aeb73d775586bbf8f72d6d440b81890
] 
[Refactor "darcs apply" short description.
Trent W. Buck <trentbuck at gmail.com>**20090314054751
 Ignore-this: 7e23a777dffa8d171e78f162339b4353
] 
[Refactor "darcs show authors" help.
Trent W. Buck <trentbuck at gmail.com>**20090315030223
 Ignore-this: d7051b398662206e814f639d2d1edbc7
] 
[Refactor command_alias help.
Trent W. Buck <trentbuck at gmail.com>**20090315065347
 Ignore-this: db98fc61dfe8eea4e0bc459644d4b75
] 
[Leverage existing command_alias macro.
Trent W. Buck <trentbuck at gmail.com>**20090315065333
 Ignore-this: 417a68275a0cc46419e6392e51023f59
] 
[Refactor "darcs remove" help.
Trent W. Buck <trentbuck at gmail.com>**20090315061134
 Ignore-this: 385a76b483821baf6b36dd76201130e5
] 
[Add status update to donations page.
Eric Kow <kowey at darcs.net>**20090314153747
 Ignore-this: ae87b76571ac91ce5c1bbbffd688f814
] 
[New updated Zsh completion script (c.f. issue 1301)
Nicolas Pouillard <nicolas.pouillard at gmail.com>**20090312203509
 Ignore-this: f2c93c75b8d128d31db264eb77cdddba
] 
[another fix for the man page target, it's "darcs help manpage"
Simon Michael <simon at joyful.com>**20090312223830
 Ignore-this: 3bcac003b9a08645ad8bef1513d1e35
] 
[Resolve issue1366: remove unreachable code for direct ncurses use.
Trent W. Buck <trentbuck at gmail.com>**20090312043138
 Ignore-this: d63652e5d82ac9e5029c53ba25d1deac
 The C ncurses library is only used directly if the Haskell Terminfo
 library is not available.  As Haskeline is now mandatory, and
 Haskeline depends on Terminfo, direct libncurses use is unreachable.
] 
[Use standard library function `union` instead of custom `add_to_list`.
Trent W. Buck <trentbuck at gmail.com>**20090312044119
 Ignore-this: 612b500ca196379ff0dcb093f8b6c88c
] 
[Rearrange code to avoid unused imports and definitions.
Trent W. Buck <trentbuck at gmail.com>**20090311143912
 Ignore-this: 6752ce1ee914b5660460c6b523fe4fb1
] 
[Improve memory usage of darcs check and repair.
Bertram Felgenhauer <int-e at gmx.de>**20090310120357
 'applyAndFix' in D.Repository.Repair kept all processed patches around,
 but only their info is actually needed.
] 
[Fix typo.
Bertram Felgenhauer <int-e at gmx.de>**20090310120459] 
[Break cabal file up into sections, visually speaking.
Eric Kow <kowey at darcs.net>**20090310084300
 Ignore-this: 7a145ac24dca77206a3e3821dcca2763
] 
[Fix ifdef error (inconsistent use of HAVE_LIBCURL/HAVE_CURL).
Eric Kow <kowey at darcs.net>**20090310083724
 Ignore-this: 5b802e911fac654ec51b54de5b285279
] 
[Fix Makefile oversight in darcsman move.
Eric Kow <kowey at darcs.net>**20090310091046
 Ignore-this: 5242dc997049aee3e4b7f5e71bcaed7a
] 
[Fix Makefile oversight in libwww removal.
Eric Kow <kowey at darcs.net>**20090310091033
 Ignore-this: 72a3dfaa8490ea86f83443615fb593ce
] 
[Remove documentation references to libwww.
Trent W. Buck <trentbuck at gmail.com>**20090306034124
 Ignore-this: f664f70c56d3cffd7ce0f76b9433a25
] 
[Resolve issue1379: remove libwww support.
Trent W. Buck <trentbuck at gmail.com>**20090306033030
 Ignore-this: c8c22223a656168123844d1a2d184668
] 
[Partially resolve issue1376: merge darcsman.hs into darcs(1).
Trent W. Buck <trentbuck at gmail.com>**20090306034240
 Ignore-this: 686a37894b8b01806a5790acde049959
] 
[Bump required Haskeline version to >=0.6.1.
Judah Jacobson <judah.jacobson at gmail.com>**20090206210804
 Ignore-this: a3272809040979bb55ee9a3bdb06218
] 
[Resolve conflict between haskeline and utf8-string flag patches.
Judah Jacobson <judah.jacobson at gmail.com>**20090305165039
 Ignore-this: 8a8db99e33d67b8d9c0ce49f17e9155a
] 
[Don't set stdin's buffering; Haskeline will do that for us.
Judah Jacobson <judah.jacobson at gmail.com>**20090203030626
 Ignore-this: 9fc65fb8ee3753eb841e3b8580ea6ab4
] 
[Make Haskeline a required dependency.
Judah Jacobson <judah.jacobson at gmail.com>**20090203023400
 Ignore-this: 90ceee5d8f6dc25a430e43d15fa8c433
] 
[Use ghc --make for hspwd intsead of runghc.
Petr Rockai <me at mornfall.net>**20090304182040
 Ignore-this: 30683ae3feb28165be1c8604e1a7bb33

 For some reason, runghc hspwd.hs segfaults on the nooxie buildslave (running
 Nexenta x86_64 with ghc 6.10.1).
] 
[Add a simple donations page.
Eric Kow <kowey at darcs.net>**20090303214114
 Ignore-this: b7f2100c67ec1934c387290f8df8384c
] 
[Accept issue1337: darcs changes shows unrelated patches.
Trent W. Buck <trentbuck at gmail.com>**20090303003848
 Ignore-this: 711356eb63bbc1a72f214b5f76199553
] 
[remove escape of latex special chars in ShowRepo help text
Tommy Pettersson <ptp at lysator.liu.se>**20090302011145
 Ignore-this: a95061b2f9e7617202528a75f9873beb
] 
[put back latex-unfriendly example in SetPref help text
Tommy Pettersson <ptp at lysator.liu.se>**20090302011047
 Ignore-this: 67711e3851547eda9c94be15ac50c7a4
] 
[change to conforming quoting in Record help text
Tommy Pettersson <ptp at lysator.liu.se>**20090302011007
 Ignore-this: e7387e0f498251abcfb4c630d60611f4
] 
[put back latex-unfriendly markers in MarkConflicts help text
Tommy Pettersson <ptp at lysator.liu.se>**20090302010908
 Ignore-this: deb902ee57073540318c8ff5894e8f91
] 
[remove latex escapes from Dist help text
Tommy Pettersson <ptp at lysator.liu.se>**20090302010809
 Ignore-this: b2823e6b46e01c6396b4bfd71a8ea284
] 
[remove latex formatting from AmendRecord help text
Tommy Pettersson <ptp at lysator.liu.se>**20090302010737
 Ignore-this: 398f3d83e976d7346eda50c51a420a4a
] 
[escape latex special chars from command help text in manual
Tommy Pettersson <ptp at lysator.liu.se>**20090302010403
 Ignore-this: 8c5edf5481981ba4ce52dc8364984157
 This is an ugly hack. It doesn't cope with "formatted ascii text", but it
 is an improvement until the help texts can be formatted with reST or
 something similar.
] 
[put each command usage in new paragraph in manual
Tommy Pettersson <ptp at lysator.liu.se>**20090302010210
 Ignore-this: badb1b750850b52c7611e7fd14b124f5
] 
[Add an executable to darcs.cabal to build unit tests
Reinier Lamers <tux_rocker at reinier.de>**20090228123756
 Ignore-this: 1a7851ac63c0b7c3728cc39dc68634f
] 
[fix error on homepage.
David Roundy <droundy at darcs.net>**20090228171403
 Ignore-this: fe3009d341e976bf2fc4caaa2f95e6604a25bc27
] 
[Sunset the external-bytestring flag (it goes out after 2009-07).
Eric Kow <kowey at darcs.net>**20090221143824
 Ignore-this: c77361850cc00b3cf4c53fd160d2ff7d
] 
[Simplify flag names to just refer to hackage names.
Eric Kow <kowey at darcs.net>**20090221143626
 Ignore-this: cacef1b5d92923d5011b97e9afad51e6
] 
[Cabal: require utf8-string by default.
Eric Kow <kowey at darcs.net>**20090217153111
 Ignore-this: e9f37c379b46a403ccd9f6359aa8d92e
 The user can go back to the internal utf8-string binding with cabal configure -f-utf8-string
] 
[Remove unused import.
Trent W. Buck <trentbuck at gmail.com>**20090225035946
 Ignore-this: d2a12457ca82d1aa2c72f5f7c1759a0f
 Cleans up after this patch:

 Fri Feb 20 23:43:22 EST 2009  Christian Kellermann <Christian.Kellermann at nefkom.net>
   * show patch names on push/pull only when using 'l'
] 
[Avoid "unused import" warning.
Trent W. Buck <trentbuck at gmail.com>**20090223071349] 
[Fix FTBFS on Windows.
Trent W. Buck <trentbuck at gmail.com>**20090223070906] 
[Restore 'or later' in doc warning about GHC 6.4 and control characters.
Eric Kow <kowey at darcs.net>**20090221150133
 Ignore-this: 33523246b21116821fec97e672c6ed0

 The 'or later' was removed in the following changelog patch:
 Sun Dec  4 15:13:12 GMT 2005  Tommy Pettersson <ptp at lysator.liu.se>
   * add changelog entries

 I believe the removal was accidental.
] 
[Note GHC 6.6 as the new build requirement.
Eric Kow <kowey at darcs.net>**20090221145431
 Ignore-this: 1c6a25fb6908487ba0ac6dc937f8e6bf
] 
[Explain #ifdef HAVE_HTTP in check for _darcs/prefs/post.
Eric Kow <kowey at darcs.net>**20090221141553
 Ignore-this: 1e75f1230c4bfc79f3c7a83f364ed003
] 
[show patch names on push/pull only when using 'l'
Christian Kellermann <Christian.Kellermann at nefkom.net>**20090220124322
 Ignore-this: ac72d63dd8880257d851f99c7b8682ff
] 
[Remove "unused import/definition" warnings with -fzlib.
Trent W. Buck <trentbuck at gmail.com>**20090220073544
 Ignore-this: 55400327516c0a2b3fcd95f911bd187a
] 
[Only import things if they are needed.
Trent W. Buck <trentbuck at gmail.com>**20090220033734
 Ignore-this: ab0558b58e4ccf6cd4deba1e66ba2df
] 
[Typo: have_HTTP should be HAVE_HTTP.
Trent W. Buck <trentbuck at gmail.com>**20090220033456
 Ignore-this: a9f418e6fe39d705e994b96e90d5711f
] 
[Add a sunset notice to our UTF8 module
Eric Kow <kowey at darcs.net>**20090204165922
 Ignore-this: e29bed6a8fa818419eee49ea17e9caa6
] 
[Replace Autoconf.hs with consistent use of CPP.
Trent W. Buck <trentbuck at gmail.com>**20090219064516
 Ignore-this: 2ff5eedd03d98cc0544260305a0c9ea0

 It's annoying how recording a patch causes a bunch of unrelated
 modules like SHA1 to be recompiled, simply because they use *other*
 variables exported by Autoconf.

 Since everything is now available via processor definitions, and these
 definitions are already used in several places, let's just use them
 everywhere and remove Autoconf entirely.
] 
[Replace our (///) function with filepath's (</>) in Darcs.Resolution
Eric Kow <kowey at darcs.net>**20090218104812
 Ignore-this: 152445b2470967ccdd7664150495fa3f
] 
[Remove unused Slurpy parameter from with_selected_*.
Petr Rockai <me at mornfall.net>**20090214065119
 Ignore-this: fd563444400705972b8be84e3946f966
] 
[resolve issue1361: specify required includes for curl in cabal file
Reinier Lamers <tux_rocker at reinier.de>**20090215123415
 Ignore-this: 2581d04c7534d750575dd4732911fb8f
] 
[Explain why readFile is in the haskell policy test.
Eric Kow <kowey at darcs.net>**20090213165322
 Ignore-this: 1a796f69b6bdcf32c7a98bffd46d73f2
] 
[add suggested fix to readFile policy warning
Simon Michael <simon at joyful.com>**20090212183255
 Ignore-this: f8430012bbc4113a5e6b17c22409b59f
] 
[Work around weird haddock error.
Eric Kow <kowey at darcs.net>**20090212201348
 Ignore-this: 5cca0eef7b7490490bb2163804cee30
] 
[haddock typo
Simon Michael <simon at joyful.com>**20090212193131] 
[Cabal: Fix haddock generation.
Petr Rockai <me at mornfall.net>**20090212191024
 Ignore-this: 564aff636fba5684b7e37410f14859d7

 Haddock parses the sources, but does not pass the -D options, and without
 these, ThisVersion.hs is not compilable. Adding fallback definitions fixes
 that...
] 
[Fix test failure by ratifying the offending readFile.
Petr Rockai <me at mornfall.net>**20090212193035
 Ignore-this: 347a2b873062a30e7dcea0471619078f
] 
[Ratify readFile in list_authors
Eric Kow <kowey at darcs.net>**20090212194225
 Ignore-this: 1b7c130f1be5980dd1925451f080edad
] 
[Export read_pending from Darcs.Repository.Internal.
Petr Rockai <me at mornfall.net>**20090212151601
 Ignore-this: ec52212b33309fa92b273a9b5f69b9d1
] 
[Resolve issue1347: Check for unsafeMMapFile if mmap use enabled.
Dave Love <fx at gnu.org>**20090211164509
 Ignore-this: a6f2807ea7e6d25ce1b2228936170720
] 
[doc: Fix a typo and some trailing whitespace.
Eric Kow <kowey at darcs.net>**20090210202059
 Ignore-this: 261c2ce84c1f9c28128789efe55909a8
] 
[MS Windows specific docs
kari at hoijarvi.org**20090207164149
 Ignore-this: beae9c64645056a474e74a3b395967
] 
[document .authorspellings in show authors --help
Simon Michael <simon at joyful.com>**20090208004517
 Ignore-this: 37cca0a913105b1d2f767f9c2f729bd5
] 
[add help to authorspellings file
Simon Michael <simon at joyful.com>**20090208003225
 Ignore-this: 5d404d6958cb66ae38ebb2fae29bae2c
] 
[small authorspellings fix
Simon Michael <simon at joyful.com>**20090208002825
 Ignore-this: 1ac99c082d857dfabcce2275b7bc93e4
] 
[add list_authors-style canonicalizing to the show authors command
Simon Michael <simon at joyful.com>**20090207232835
 Ignore-this: deac150ed2e2de58442e8fd398c9b14e
] 
[add .authorspellings file appropriate for our repo
Simon Michael <simon at joyful.com>**20090207235751
 This .authorspellings file is equivalent to the old hard-coded
 spellings in list_authors.hs. With this in place, darcs show authors
 gives the same output as list_authors.
] 
[canonical authors may be defined in an .authorspellings file
Simon Michael <simon at joyful.com>**20090207221321
 Example:

 Joe Blogg <a at b.c>
 -- authors containing d at e.f or d at g.h or matching just "sue" are Sue Bragg
 Sue Bragg <d at e.f>, d at g.h, ^sue$

] 
[configuring author spelling variations was complicated, now easier
Simon Michael <simon at joyful.com>**20090207204248] 
[Update tests/network/changes.sh (we don't use $DARCS for ages now).
Petr Rockai <me at mornfall.net>**20090206061737
 Ignore-this: 22da10c3a4233e61e337de8f1bffad43
] 
[Update shell_harness to work with new Distribution.ShellHarness.
Eric Kow <kowey at darcs.net>**20090205184707
 Ignore-this: 345ec618b597a2b454e0a137d750bff2
] 
[Cabal: In test, use the darcs binary in the build directory.
Petr Rockai <me at mornfall.net>**20090205120452
 Ignore-this: a335d9c1dfc54d33ca87816e2a9ccde8
] 
[Interestingly, witnesses also need send_email.c on win32.
Petr Rockai <me at mornfall.net>**20090205110142
 Ignore-this: a8c4d4add08b1b54040eb8f4c4f256e5
] 
[Look for diff & sendmail at runtime, not compile time.
Petr Rockai <me at mornfall.net>**20090204091320
 Ignore-this: 37900b4856a324cd423b57b7f933d701
] 
[One more witnesses build fix (-lz).
Petr Rockai <me at mornfall.net>**20090204170848
 Ignore-this: 95fd79f9685632429da47de0c9e856d
] 
[Remove a redundant clause from the Cabal file."
Judah Jacobson <judah.jacobson at gmail.com>**20090203165258
 Ignore-this: baa557fd2d2a9993daa53b9da525909f
] 
[Tell Cabal about send_email.c on Windows.
Judah Jacobson <judah.jacobson at gmail.com>**20090203165206
 Ignore-this: cf720fe0a9ed812a348726e84a72b7a
] 
[Don't use the bytestring-mmap package on Windows.
Judah Jacobson <judah.jacobson at gmail.com>**20090203164824
 Ignore-this: 360f890524bfe0f5d4dac2f17af3ed6a
] 
[Handle empty files in mmapFilePS. Also cater for FD shortage.
Petr Rockai <me at mornfall.net>**20090204172953
 Ignore-this: a7cad4f4aa1aed12b7f121ea4c5aa591
] 
[doc: Correct path to darcs cache on Windows
Eric Kow <kowey at darcs.net>**20090131211156
 Ignore-this: 235c6883a132fd41dbe958224134cac
] 
[System.Posix is also needed by witnesses on win32.
Petr Rockai <me at mornfall.net>**20090203140001
 Ignore-this: 7c331bb358cc5e4a56b602443486b76c
] 
[Cabal: Do not make absence of a diff tool fatal.
Petr Rockai <me at mornfall.net>**20090203155656
 Ignore-this: 89c3337030556b9ca4a945d82283d356
] 
[Pass -DWIN32 when compiling witnesses, on win32.
Petr Rockai <me at mornfall.net>**20090203132055
 Ignore-this: 7054bba42feb211424a4762ab7106897
] 
[Outsource the (optional) mmap support to bytestring-mmap.
Petr Rockai <me at mornfall.net>**20090128173825
 Ignore-this: b497434fc44b93c41252f83464f08db2
] 
[Relax regex and parsec dependencies in darcs.cabal.
Petr Rockai <me at mornfall.net>**20090128151230
 Ignore-this: b8e46f9551c0dac608ba3584ccb725bc
] 
[Cabal: Look around for diff and sendmail properly.
Petr Rockai <me at mornfall.net>**20090128141151
 Ignore-this: fd299a492c38fca04c791884226e63d9
] 
[Update push-formerly-pl.sh test for issue1333
Eric Kow <kowey at darcs.net>**20090128145030
 Ignore-this: a4d765ab6b212e4bbedb14093a680054
] 
[Canonize Don Stewart, Petr Rockai, Benedikt Schmidt and Spencer Janssen
Eric Kow <kowey at darcs.net>**20090128142742
 Ignore-this: 94e76427b82465a7ddfea79b39b54c33
] 
[Resolve issue1333: Improve "cannot push to current repository" warning.
Petr Rockai <me at mornfall.net>**20090128094353
 Ignore-this: 1cc9fe3631f323a9a66639f5a1cee8ce
] 
[autoconf: Fix definition of SENDMAIL macro when sendmail is not found
Eric Kow <kowey at darcs.net>**20090127155329
 Ignore-this: 9799e7838d1a1843f562ad14c08aa337
] 
[autoconf: Define BIGENDIAN instead of setting it.
Eric Kow <kowey at darcs.net>**20090127140114
 Ignore-this: 65855789f62b42c4cc84b14f714ff086
 The new Autoconf.hs just checks if BIGENDIAN is defined, not its value.
] 
[Relax a few version constraints in darcs.cabal.
Petr Rockai <me at mornfall.net>**20090126154834
 Ignore-this: d3c7c92513dfffe14fc501d8e84c679d

 These should be reasonably safe, as they only cover part of what has been
 previously accepted by configure.
] 
[Add missing doublequotes to multiple tests.
Petr Rockai <me at mornfall.net>**20090126151705
 Ignore-this: eb8553ec6ea036f49fee4b9bc20d8f04
] 
[Accept issue1266: warn on init inside a repo.
Trent W. Buck <trentbuck at gmail.com>**20090126011404
 Ignore-this: abf7526335f0975340a9a6d06df63470
] 
[Have autoconf forget about .hs.in.
Trent W. Buck <trentbuck at gmail.com>**20090126125644
 Ignore-this: 4fa6a3ce806c726dcaec5771d3059c8b
] 
[Drop autogeneration of Autoconf.hs, use CPP instead.
Petr Rockai <me at mornfall.net>**20090125175413
 Ignore-this: 5ba936527bad6d85bedf125b01f884d5
] 
[Produce -DPACKAGE_VERSION="..." programatically in Setup.lhs.
Petr Rockai <me at mornfall.net>**20090124215200
 Ignore-this: 6c3b0010d7de2397a7d81056523399dd
] 
[Replace ThisVersion.hs generation within Setup with some simple CPP.
Petr Rockai <me at mornfall.net>**20090124215149
 Ignore-this: 4a6a9baf2e0d016616d98ee9774c01f4
] 
[Add -fglasgow-exts to Darcs.Patch.Show
Eric Kow <kowey at darcs.net>**20090125221422
 Ignore-this: 38fa728c6dd08d8be30712b79b56f634
 This probably broke when we moved it from the cabal file to Darcs.Show
] 
[Remove stale import from Darcs.Commands.ShowRepo
Eric Kow <kowey at darcs.net>**20090125215507
 Ignore-this: 85cc913ca9532b3aec3c6ce616b896d1
] 
[Flip the repo test over to Cabal.
Petr Rockai <me at mornfall.net>**20090124223836
 Ignore-this: fc99853532cadcc9a9a77a2e26e2b077
] 
[A grand unified pwd hack.
Petr Rockai <me at mornfall.net>**20090125182013
 Ignore-this: edfd791d6780e3b01e5158895e7903a1

 I have replaced all pwd occurances with a call to hspwd, and I am using runghc
 to do so. This might be slow-ish, but should be reasonably portable. Moreover,
 I am experimentally removing the IFS='' hack and adding missing doublequotes to
 some places (and to some where they are not needed by POSIX but who knows). I
 believe IFS='' is equivalent to adding proper quoting to expansions (ie $DIR ->
 "$DIR").
] 
[Refactor version machinery in Setup.lhs.
Petr Rockai <me at mornfall.net>**20090124211015
 Ignore-this: 590b4c7825cd858dfc2faa60d9440697

 Sanctify the notion that 97, 98 and 99 are special in a darcs version
 number. Assign fancy names to them, for prettier darcs --version.
] 
[Resolve issue1310: create merged \darcsCommand{add}.
Trent W. Buck <trentbuck at gmail.com>**20090124144058
 Ignore-this: 945f45d0671c1e5a613ebfb3c4f90f59
 This replaces inconsistent use of \haskell{add_description},
 \options{add} and \haskell{add_help}. 
] 
[Resolve issue1313: Clickable ToC and xrefs in PDF user manual.
Trent W. Buck <trentbuck at gmail.com>**20090125091034
 Ignore-this: 29bde3a5a170f5965d10d6c160b2099e
] 
[Test for strace first.
Trent W. Buck <trentbuck at gmail.com>**20090125062905
 Ignore-this: 76cbe2cb451d226cfa5cf0b39f43722
 This just results in more accurate "it didn't work because ..." output
 from "cabal test bugs". 
] 
[(cabal build) build 'witnesses' only with -ftype-witnesses
Bertram Felgenhauer <int-e at gmx.de>**20090122224907
 Ignore-this: 6d627163a3d4258baf22f34e304bd767
] 
[(cabal build) add two missing modules to darcs library
Bertram Felgenhauer <int-e at gmx.de>**20090122224608
 Ignore-this: 6164fef661fa5f31cae007e523012e68
] 
[Tell the configure script to require haskeline>=0.6.0.
Judah Jacobson <judah.jacobson at gmail.com>**20090122214543
 Ignore-this: 13e0549a6a2c75eb22f3b75a915908e7
] 
[use forM_ from the standard library
Florent Becker <florent.becker at ens-lyon.org>**20090122125344
 Ignore-this: 4d9c0e4b98f9f43a0b519584806ddd1a
] 
[Remove LANGUAGE GADTs pragma in Darcs.Show (GHC 6.6 compatibility)
Eric Kow <kowey at darcs.net>**20090122102846
 Ignore-this: 488aa7c372f5deee415ae2bae0c578ac
] 
[Remove duplication in fields in the .cabal file
Duncan Coutts <duncan at haskell.org>**20090122021052
 Looks like it was a copy and paste error.
] 
[Remove unused ghc -threaded flag in library section
Duncan Coutts <duncan at haskell.org>**20090122021038
 The -threaded flag applies only to linking programs.
 Despte this, ghc regects the combinaton of using the -threaded
 and profiling flags, even for building a library. New Cabal
 versions will ignore the -threaded flag when building programs
 but not for libs because that combination is senseless. So there
 is a positive benefit to dropping it from the darcs library as
 it will let people build a profiling darcs with ghc-6.8 without
 having to modify the .cabal file to drop the -threaded flag.
] 
[Clean up after shell harness.
Trent W. Buck <trentbuck at gmail.com>**20090122050123
 We were only cleaning .o and .hi files within src.  Doing "make test"
 results in some .o and .hi files elsewhere.  We should add these
 directories to the "find src" calls above, but this hack is easier to
 understand and should suffice until we finish switching to Cabal.
] 
[Syntax highlighting for new-style NEWS entries.
Trent W. Buck <trentbuck at gmail.com>**20090122064107] 
[NEWS for Darcs 2.2.0.
Trent W. Buck <trentbuck at gmail.com>**20090122064014] 
[Use conventional name "NEWS" for "new in $version" notes.
Trent W. Buck <trentbuck at gmail.com>**20090122063959] 
[Resolve issue1292: re-encode line input from the Haskeline backend.
Judah Jacobson <judah.jacobson at gmail.com>**20090121172422
 Ignore-this: e6c94db8cbef0f8fa3f3d0011c6ef88f
 This patch bumps dependencies to haskeline-0.6.* (which provides the required
 functionality) and terminfo-0.3.* (which is required by that version of
 Haskeline).  Haskeline is also enabled by default now that non-ASCII line input
 works correctly.
] 
[mv -fglasgow-exts to Darcs.Show
gwern0 at gmail.com**20090120150052
 Ignore-this: 21000375294de932f303baadba815b8b
] 
[Remove obsolete import.
Trent W. Buck <trentbuck at gmail.com>**20090118014801
 Ignore-this: d6bd196c7d088b7e7121637d7c1b1323
] 
[Refactor initial argument dispatcher.
Trent W. Buck <trentbuck at gmail.com>**20090117081533
 Ignore-this: fe101e61cc7b46a8c6b4415f08c737b
] 
[Simplify some of my own code.
Trent W. Buck <trentbuck at gmail.com>**20090117015505
 Ignore-this: 42a7df5c21ae0416441572380490e127
] 
[Haddocks for HashedIO
florent.becker at ens-lyon.org**20090116170955
 Ignore-this: 1c54191a243bd11d6d22d74600251587
] 
[Haddocks for Cache
florent.becker at ens-lyon.org**20090116170931
 Ignore-this: 3aa035bd5f805929113a616df9faefb6
] 
[Haddock for Darcs.External.fetchFile
florent.becker at ens-lyon.org**20090116170742
 Ignore-this: 96041231ca2800c3fcde4f56ec49e267
] 
[Refactor: use more guards.
Trent W. Buck <trentbuck at gmail.com>**20090115072617
 Ignore-this: b41bb970198ed1f42aebdfc63c90e115
] 
[Resolve issue1311:  Use time zones from GNU coreutils; improve doc.
Dave Love <fx at gnu.org>**20090112135012
 Ignore-this: 883bc4ccdb1d27fde14ec9c76a4d2a45
] 
[omit empty line at the end of output in darcs diff
Christian Kellermann <Christian.Kellermann at nefkom.net>**20090114110607
 Ignore-this: d71a3d5460fbe21244c4eba77dc47885
] 
[Clean up when previous test crashed.
Trent W. Buck <trentbuck at gmail.com>**20090113001345] 
[Make "make clean" remove microbench.
Trent W. Buck <trentbuck at gmail.com>**20090111152130
 Put the clean target directly below the build target, so it's harder
 to get them out of sync in future.
] 
[Fix test optimize_relink.sh when no hard linking available
Thorkil Naur <naur at post11.tele.dk>**20090113223335
 The semicolon in the echo command causes the test to fail with the
 message

 > optimize_relink.sh: line 37: assuming: command not found

 when no hard linking is available.
] 
[Consistently use sh (not csh) prompts in user manual.
Trent W. Buck <trentbuck at gmail.com>**20090111114801

 The sh prompt ($) was already used elsewhere in the manual, and I
 choose to standardize on it instead of csh (%) because sh (especially
 bash) seems more widespread and recognizable as the user shell prompt.
] 
[resolve issue1270: don't show the motd when --xml-output is given
lele at nautilus.homeip.net**20090109090726
 Ignore-this: e1dae49ceb510668a1358e2103268cc3
] 
[Get setpref description in manual.
Dave Love <fx at gnu.org>**20090111151941
 Ignore-this: 89b0d00a82582d03fdf51cd9822dba65
] 
[Example for issue1284.
Trent W. Buck <trentbuck at gmail.com>**20090111051101] 
[resolve issue1235: added --summary to obliterate
Rob Hoelz <rob at hoelzro.net>**20090110032907] 
[Haddock for Darcs.Repository.Format
Florent Becker <florent.becker at ens-lyon.org>**20090108160035
 Ignore-this: f88f0223ebbbe5694845dd1060e6f978
] 
[Remove stale comment (we now require GHC 6.6)
Eric Kow <kowey at darcs.net>**20081231080929
 Ignore-this: b19da9fabc8d2e38bccafc84a77fa278
] 
[do not use concatenation in src/Context.hs
Florent Becker <florent.becker at ens-lyon.org>**20090107135552
 Ignore-this: 9e86505a445730b7653e75f08e8ff81e
] 
[Print malicious paths and optional way around them when they cause a failure.
David Caldwell <david at porkrind.org>**20090105101628
 Ignore-this: cdb706087869e19e046bc0dd424ca38d
] 
[Fix typo in --dont-restrict-paths documentation.
David Caldwell <david at porkrind.org>**20090105024208
 Ignore-this: 16197eeef34dedddeda036b47747f234
] 
[Add --restrict-paths (and --dont-restrict-paths) to "darcs apply".
David Caldwell <david at porkrind.org>**20090102101737
 Ignore-this: f6ab937573bf0d5397361ddefed902c9
] 
[Add --restrict-paths (and --dont-restrict-paths) to "darcs pull".
David Caldwell <david at porkrind.org>**20090102101726
 Ignore-this: dd3bc04632d341be16709e0aee6753ec
] 
[Revert --restrict-paths removal.
David Caldwell <david at porkrind.org>**20090102101705
 Ignore-this: 1fba1f9a589aaabb1fa27a268f7c972e
] 
[Resolve issue1302: set closed bugs to resolved (not resolved-in-unstable).
Trent W. Buck <trentbuck at gmail.com>**20090105001351] 
[make stringify cut the string
florent.becker at ens-lyon.org**20090104102125
 Ignore-this: e1a0cd83fce5085f60b812d894ca26e7
 This avoids choking utilities such as grep (or emacs' internal grep) which parse haskell files line-by-line.
] 
[make unit's return value depend on all tests
Florent Becker <florent.becker at ens-lyon.org>**20090102184930
 Ignore-this: fce3636c70bcb4a80413823c88e3ac6a
] 
[Resolve issue1285: remove "cabal test" intermediaries.
Trent W. Buck <trentbuck at gmail.com>**20090103095347] 
[Resolve issue1206: Countable Nouns.
Trent W. Buck <trentbuck at gmail.com>**20090101062452
 Use the conventional term "Countable" instead of "Numbered".
] 
[Improve readability of bug reporting.
Trent W. Buck <trentbuck at gmail.com>**20081226120833
 Moving "at <location>" to the first line gives the descriptive string
 a line all to itself.  For example, darcs show bug:

     darcs: bug at src/Darcs/Commands/ShowBug.lhs:57 compiled Nov  4 2008 12:05:43
     This is actually a fake bug in darcs.
] 
[Use imperative mood for primitive matcher help.
Trent W. Buck <trentbuck at gmail.com>**20081228114434] 
[Check GADT witnesses when doing Cabal-based builds.
Petr Rockai <me at mornfall.net>**20081228111229] 
[Fix haddock error
Eric Kow <kowey at darcs.net>**20081227204218
 Ignore-this: 60f05d20e5f37312f6b477067114fac7
] 
[Haddock for primitiveMatchers (untested).
Trent W. Buck <trentbuck at gmail.com>**20081227141921] 
[Rewrite primitive matcher examples.
Trent W. Buck <trentbuck at gmail.com>**20081227141845] 
[Rewrite "darcs help --match" output.
Trent W. Buck <trentbuck at gmail.com>**20081227141819
 Add an introductory paragraph, and put all the examples into a single
 code block, since one-line paragraphs are kind hard to read.
] 
[Delete superfluous "Introduction" headings.
Trent W. Buck <trentbuck at gmail.com>**20081227034129
 I don't think it's useful to grant a subsection heading to the single
 introductory paragraph of a section.
] 
[Refactor error text for readability.
Trent W. Buck <trentbuck at gmail.com>**20081109144007] 
[Tweak user manual's title page.
Trent W. Buck <trentbuck at gmail.com>**20081227011031
 It annoyed me that the user manual was just called "Darcs", not "Darcs
 User Manual".
] 
[Improve readability of bug reporting.
Trent W. Buck <trentbuck at gmail.com>**20081226104243
 Moving "at <location>" to the first line gives the descriptive string
 a line all to itself.  For example, darcs show bug:

     darcs: bug at src/Darcs/Commands/ShowBug.lhs:57 compiled Nov  4 2008 12:05:43
     This is actually a fake bug in darcs.
] 
[Haddockize developer comment.
Trent W. Buck <trentbuck at gmail.com>**20081214041902] 
[Darcs.ColorPrinter: factor out getPolicy call
gwern0 at gmail.com**20081222180227
 Ignore-this: aee5b5415ee8bbfe1dac06e240b90080
 Less redundancy. 'getPolicy' is being called with the same args, and it's
 not like the environmental variables are going to change in between each
 call.
] 
[Make it possible to run just specific tests from cabal commandline.
Petr Rockai <me at mornfall.net>**20081223083742

 All of `cabal test repair-corrupt bugs/newlines bugs/issue27.sh` should work as
 expected. The implementation is not very efficient, but seems to work fine.
] 
[Neatify "cabal test" option munging in Setup.lhs.
Petr Rockai <me at mornfall.net>**20081223080811] 
[Sort the list of tests that are run by cabal.
Petr Rockai <me at mornfall.net>**20081223073642] 
[Remove now-unused replacePristine.
Petr Rockai <me at mornfall.net>**20081210065138] 
[resolve issue948: rewrite darcsman.
Trent W. Buck <trentbuck at gmail.com>**20081221081934

 Significant changes are:

  - Avoid duplicating groups from TheCommands.
  - Due to growing command_helps, list commands in SYNOPSIS.
  - Use subsections (.SS) for groups.
  - Include (with fancy markup!) command arguments.
  - Include darcs help --match.
  - Copy-and-paste description from darcs.cabal.
  - Remove AUTHORS section as suggested by man-pages(7).
  - Declare my copyright.

] 
[Tweak punctuation in "darcs help --match".
Trent W. Buck <trentbuck at gmail.com>**20081221080949

 Manpages treat apostrophes in the first line specially.  Use `TeX
 style' quotes instead, so this string can be included in the manpage.

 Also omit mention of &&, || and ! until I find time to clarify that
 they are aliases for the human-readable and, or and not.
] 
[TAG 2.2.0
Petr Rockai <me at mornfall.net>**20090115150916] 
Patch bundle hash:
f0e897c7cfde3e562927badd6a73dd2e3c6b31b0
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