2020-01-04 16:52:21 +00:00
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name: hpath-io
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2020-01-29 23:28:05 +00:00
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version: 0.13.1
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2020-01-04 16:52:21 +00:00
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synopsis: High-level IO operations on files/directories
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description: High-level IO operations on files/directories, utilizing type-safe Paths
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-- bug-reports:
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2016-06-03 22:20:41 +00:00
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license: BSD3
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2015-05-07 18:14:23 +00:00
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license-file: LICENSE
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Fork chrisdone's path library
I wasn't happy with the way it dealt with Dir vs File things. In his
version of the library, a `Path b Dir` always ends with a trailing
path separator and `Path b File` never ends with a trailing path separator.
IMO, it is nonsensical to make a Dir vs File distinction on path level,
although it first seems nice.
Some of the reasons are:
* a path is just that: a path. It is completely disconnected from IO level
and even if a `Dir`/`File` type theoretically allows us to say "this path
ought to point to a file", there is literally zero guarantee that it will
hold true at runtime. So this basically gives a false feeling of a
type-safe file distinction.
* it's imprecise about Dir vs File distinction, which makes it even worse,
because a directory is also a file (just not a regular file). Add symlinks
to that and the confusion is complete.
* it makes the API oddly complicated for use cases where we basically don't
care (yet) whether something turns out to be a directory or not
Still, it comes also with a few perks:
* it simplifies some functions, because they now have guarantees whether a
path ends in a trailing path separator or not
* it may be safer for interaction with other library functions, which behave
differently depending on a trailing path separator (like probably shelly)
Not limited to, but also in order to fix my remarks without breaking any
benefits, I did:
* rename the `Dir`/`File` types to `TPS`/`NoTPS`, so it's clear we are only
giving information about trailing path separators and not actual file
types we don't know about yet
* add a `MaybeTPS` type, which does not mess with trailing path separators
and also gives no guarantees about them... then added `toNoTPS` and
`toTPS` to allow type-safe conversion
* make some functions accept more general types, so we don't unnecessarily
force paths with trailing separators for `(</>)` for example... instead
these functions now examine the paths to still have correct behavior.
This is really minor overhead. You might say now "but then I can append
filepath to filepath". Well, as I said... we don't know whether it's a
"filepath" at all.
* merge `filename` and `dirname` into `basename` and make `parent` be
`dirname`, so the function names match the name of the POSIX ones,
which do (almost) the same...
* fix a bug in `basename` (formerly `dirname`) which broke the type
guarantees
* add a pattern synonym for easier pattern matching without exporting
the internal Path constructor
2016-03-08 21:53:42 +00:00
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author: Julian Ospald <hasufell@posteo.de>
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maintainer: Julian Ospald <hasufell@posteo.de>
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2016-05-09 15:37:33 +00:00
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copyright: Julian Ospald 2016
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2015-05-07 18:14:23 +00:00
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category: Filesystem
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build-type: Simple
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2018-04-10 23:11:40 +00:00
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cabal-version: 1.14
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2019-12-30 21:37:53 +00:00
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tested-with: GHC==7.10.3
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, GHC==8.0.2
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, GHC==8.2.2
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, GHC==8.4.4
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, GHC==8.6.5
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, GHC==8.8.1
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2016-05-09 11:31:20 +00:00
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extra-source-files: README.md
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2020-01-04 16:52:21 +00:00
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CHANGELOG.md
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2015-05-07 18:14:23 +00:00
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library
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2018-04-11 10:31:11 +00:00
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if os(windows)
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build-depends: unbuildable<0
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buildable: False
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2020-01-26 20:49:34 +00:00
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exposed-modules: HPath.IO
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2019-12-30 20:57:38 +00:00
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build-depends: base >= 4.8 && <5
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2018-04-11 23:42:18 +00:00
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, bytestring >= 0.10.0.0
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2020-01-18 17:45:17 +00:00
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, exceptions
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2020-01-20 19:19:45 +00:00
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, hpath >= 0.11 && < 0.12
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2020-01-26 20:49:34 +00:00
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, hpath-directory >= 0.13 && < 0.14
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2020-01-29 22:09:40 +00:00
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, hpath-posix >= 0.13 && < 0.14
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2020-01-13 22:34:15 +00:00
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, safe-exceptions >= 0.1
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2019-12-30 15:35:42 +00:00
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, streamly >= 0.7
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2020-01-18 17:45:17 +00:00
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, time >= 1.8
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2016-05-09 11:31:20 +00:00
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, unix >= 2.5
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2020-01-13 23:07:38 +00:00
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if !impl(ghc>=7.11)
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build-depends: transformers
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2020-01-04 16:52:21 +00:00
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hs-source-dirs: src
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default-language: Haskell2010
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2016-04-16 16:17:44 +00:00
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2016-05-09 14:53:31 +00:00
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2015-05-14 15:47:04 +00:00
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source-repository head
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2016-04-16 16:17:44 +00:00
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type: git
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location: https://github.com/hasufell/hpath
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