facter: Add a missing gem

This makes it possible to display `mountpoints` facts after adding the
missing `sys-filesystem` gem.

pkgs/by-name/fa/facter/Gemfile

@@ -7,3 +7,4 @@ gem "facter"
 gem "base64", "~> 0.2.0"
 gem "benchmark", "~> 0.5.0"
 gem "logger", "~> 1.7.0"
+gem "sys-filesystem", "~> 1.5", ">= 1.5.5"

pkgs/by-name/fa/facter/Gemfile.lock

@@ -6,18 +6,24 @@ GEM
     facter (4.10.0)
       hocon (~> 1.3)
       thor (>= 1.0.1, < 1.3)
+    ffi (1.17.3)
+    ffi (1.17.3-x86_64-linux-gnu)
     hocon (1.4.0)
     logger (1.7.0)
+    sys-filesystem (1.5.5)
+      ffi (~> 1.1)
     thor (1.2.2)
 
 PLATFORMS
   ruby
+  x86_64-linux
 
 DEPENDENCIES
   base64 (~> 0.2.0)
   benchmark (~> 0.5.0)
   facter
   logger (~> 1.7.0)
+  sys-filesystem (~> 1.5, >= 1.5.5)
 
 BUNDLED WITH
    2.7.2

pkgs/by-name/fa/facter/gemset.nix

@@ -33,6 +33,16 @@
     };
     version = "4.10.0";
   };
+  ffi = {
+    groups = [ "default" ];
+    platforms = [ ];
+    source = {
+      remotes = [ "https://rubygems.org" ];
+      sha256 = "0k1xaqw2jk13q3ss7cnyvkp8fzp75dk4kazysrxgfd1rpgvkk7qf";
+      type = "gem";
+    };
+    version = "1.17.3";
+  };
   hocon = {
     groups = [ "default" ];
     platforms = [ ];
@@ -53,6 +63,17 @@
     };
     version = "1.7.0";
   };
+  sys-filesystem = {
+    dependencies = [ "ffi" ];
+    groups = [ "default" ];
+    platforms = [ ];
+    source = {
+      remotes = [ "https://rubygems.org" ];
+      sha256 = "0cshw6aqq7ws4sbl0b4g50fgvffykbchjpnzanmg1f9lly85i6bg";
+      type = "gem";
+    };
+    version = "1.5.5";
+  };
   thor = {
     groups = [ "default" ];
     platforms = [ ];