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lib.filesystem: Minor refactor

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Co-Authored-By: Robert Hensing <robert@roberthensing.nl>
This commit is contained in:
Silvan Mosberger 2023-04-05 16:13:03 +02:00
parent a1dedc908d
commit 5346636c20
1 changed files with 6 additions and 4 deletions
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10
lib/filesystem.nix
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@ -3,7 +3,6 @@
let let
inherit (builtins) inherit (builtins)
getAttr
readDir readDir
pathExists pathExists
; ;
@ -22,17 +21,20 @@ in
/* /*
Returns the type of a path: regular (for file), symlink, or directory. Returns the type of a path: regular (for file), symlink, or directory.
*/ */
pathType = path: getAttr (baseNameOf path) (readDir (dirOf path)); pathType = path:
(readDir (dirOf path)).${baseNameOf path};
/* /*
Returns true if the path exists and is a directory, false otherwise. Returns true if the path exists and is a directory, false otherwise.
*/ */
pathIsDirectory = path: if pathExists path then (pathType path) == "directory" else false; pathIsDirectory = path:
pathExists path && pathType path == "directory";
/* /*
Returns true if the path exists and is a regular file, false otherwise. Returns true if the path exists and is a regular file, false otherwise.
*/ */
pathIsRegularFile = path: if pathExists path then (pathType path) == "regular" else false; pathIsRegularFile = path:
pathExists path && pathType path == "regular";
/* /*
A map of all haskell packages defined in the given path, A map of all haskell packages defined in the given path,