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Peter Becich
ghcup-hs
Commits
6379a26a
Commit
6379a26a
authored
3 years ago
by
Arjun Kathuria
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factor out `getDirectoryContentsRecursive` function in GHCup.Utils.Prelude
parent
2277013c
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lib/GHCup/Utils/Prelude.hs
+24
-24
24 additions, 24 deletions
lib/GHCup/Utils/Prelude.hs
with
24 additions
and
24 deletions
lib/GHCup/Utils/Prelude.hs
+
24
−
24
View file @
6379a26a
...
...
@@ -340,31 +340,31 @@ copyDirectoryRecursive srcDir destDir = do
-- parent directories. The list is generated lazily so is not well defined if
-- the source directory structure changes before the list is used.
--
getDirectoryContentsRecursive
::
FilePath
->
IO
[
FilePath
]
getDirectoryContentsRecursive
topdir
=
recurseDirectories
[
""
]
getDirectoryContentsRecursive
::
FilePath
->
IO
[
FilePath
]
getDirectoryContentsRecursive
topdir
=
recurseDirectories
[
""
]
where
recurseDirectories
::
[
FilePath
]
->
IO
[
FilePath
]
recurseDirectories
[]
=
return
[]
recurseDirectories
(
dir
:
dirs
)
=
unsafeInterleaveIO
$
do
(
files
,
dirs'
)
<-
collect
[]
[]
=<<
getDirectoryContents
(
topdir
</>
dir
)
files'
<-
recurseDirectories
(
dirs'
++
dirs
)
return
(
files
++
files'
)
where
recurseDirectories
::
[
FilePath
]
->
IO
[
FilePath
]
recurseDirectories
[]
=
return
[]
recurseDirectories
(
dir
:
dirs
)
=
unsafeInterleaveIO
$
do
(
files
,
dirs'
)
<-
collect
[]
[]
=<<
getDirectoryContents
(
topdir
</>
dir
)
files'
<-
recurseDirectories
(
dirs'
++
dirs
)
return
(
files
++
files'
)
where
collect
files
dirs'
[]
=
return
(
reverse
files
,
reverse
dirs'
)
collect
files
dirs'
(
entry
:
entries
)
|
ignore
entry
=
collect
files
dirs'
entries
collect
files
dirs'
(
entry
:
entries
)
=
do
let
dirEntry
=
dir
</>
entry
isDirectory
<-
doesDirectoryExist
(
topdir
</>
dirEntry
)
if
isDirectory
then
collect
files
(
dirEntry
:
dirs'
)
entries
else
collect
(
dirEntry
:
files
)
dirs'
entries
ignore
[
'.'
]
=
True
ignore
[
'.'
,
'.'
]
=
True
ignore
_
=
False
collect
files
dirs'
[]
=
return
(
reverse
files
,
reverse
dirs'
)
collect
files
dirs'
(
entry
:
entries
)
|
ignore
entry
=
collect
files
dirs'
entries
collect
files
dirs'
(
entry
:
entries
)
=
do
let
dirEntry
=
dir
</>
entry
isDirectory
<-
doesDirectoryExist
(
topdir
</>
dirEntry
)
if
isDirectory
then
collect
files
(
dirEntry
:
dirs'
)
entries
else
collect
(
dirEntry
:
files
)
dirs'
entries
ignore
[
'.'
]
=
True
ignore
[
'.'
,
'.'
]
=
True
ignore
_
=
False
-- https://github.com/haskell/directory/issues/110
-- https://github.com/haskell/directory/issues/96
...
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