nix-super/tests/lang/eval-okay-readDir.exp at 50ce8d15eb5fed11080a3b94991c55e880c22252 - max/nix-super - The Forge

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Alex Ameen 153ee460c5 primop: add readFileType, optimize readDir

Allows checking directory entry type of a single file/directory.

This was added to optimize the use of `builtins.readDir` on some
filesystems and operating systems which cannot detect this information
using POSIX's `readdir`.

Previously `builtins.readDir` would eagerly use system calls to lookup
these filetypes using other interfaces; this change makes these
operations lazy in the attribute values for each file with application
of `builtins.readFileType`.

2023-01-22 13:45:02 -06:00

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{ bar = "regular"; foo = "directory"; ldir = "symlink"; linked = "symlink"; }