Add nixpkgs-fmt fixer.

This commit adds a fixer for the Nix language, nixpkgs-fmt
(https://github.com/nix-community/nixpkgs-fmt).

1 files changed, 24 insertions, 0 deletions

diff --git a/doc/ale-nix.txt b/doc/ale-nix.txt
new file mode 100644
index 00000000..5b2bd6cb
--- /dev/null
+++ b/doc/ale-nix.txt
@@ -0,0 +1,24 @@
+===============================================================================
+ALE Nix Integration                                           *ale-nix-options*
+
+
+===============================================================================
+nixpkgs-fmt                                                 *ale-nix-nixpkgs-fmt*
+
+g:ale_nix_nixpkgsfmt_executable                *g:ale_nix_nixpkgsfmt_executable*
+                                               *b:ale_nix_nixpkgsfmt_executable*
+  Type: |String|
+  Default: `'nixpkgs-fmt'`
+
+  This variable sets executable used for nixpkgs-fmt.
+
+g:ale_nix_nixpkgsfmt_options                     *g:ale_nix_nixpkgsfmt_options*
+                                                 *b:ale_nix_nixpkgsfmt_options*
+  Type: |String|
+  Default: `''`
+
+  This variable can be set to pass additional options to the nixpkgs-fmt fixer.
+
+
+===============================================================================
+  vim:tw=78:ts=2:sts=2:sw=2:ft=help:norl: