lib: Make platform predicates more ergonomic to use

`hostPlatform.isDarwin` instead of `lib.system.parse.isDarwin
hostPlatform.parsed`

1 files changed, 7 insertions, 19 deletions

diff --git a/lib/systems/parse.nix b/lib/systems/parse.nix
index b9758f44fc1..b94caeb5758 100644
--- a/lib/systems/parse.nix
+++ b/lib/systems/parse.nix
@@ -8,6 +8,7 @@
 with import ../lists.nix;
 with import ../types.nix;
 with import ../attrsets.nix;
+with (import ./inspect.nix).predicates;
 
 let
   lib = import ../default.nix;
@@ -109,19 +110,6 @@ rec {
       inherit cpu vendor kernel abi;
     };
 
-  is64Bit = matchAttrs { cpu = { bits = 64; }; };
-  is32Bit = matchAttrs { cpu = { bits = 32; }; };
-  isi686 = matchAttrs { cpu = cpuTypes.i686; };
-  isx86_64 = matchAttrs { cpu = cpuTypes.x86_64; };
-
-  isDarwin = matchAttrs { kernel = kernels.darwin; };
-  isLinux = matchAttrs { kernel = kernels.linux; };
-  isUnix = matchAttrs { kernel = { families = { inherit (kernelFamilies) unix; }; }; };
-  isWindows = matchAttrs { kernel = kernels.windows; };
-  isCygwin = matchAttrs { kernel = kernels.windows; abi = abis.cygnus; };
-  isMinGW = matchAttrs { kernel = kernels.windows; abi = abis.gnu; };
-
-
   mkSkeletonFromList = l: {
     "2" = # We only do 2-part hacks for things Nix already supports
       if elemAt l 1 == "cygwin"
@@ -153,22 +141,22 @@ rec {
     getKernel = name:  kernels.${name} or (throw "Unknown kernel: ${name}");
     getAbi    = name:     abis.${name} or (throw "Unknown ABI: ${name}");
 
-    system = rec {
+    parsed = rec {
       cpu = getCpu args.cpu;
       vendor =
         /**/ if args ? vendor    then getVendor args.vendor
-        else if isDarwin  system then vendors.apple
-        else if isWindows system then vendors.pc
+        else if isDarwin  parsed then vendors.apple
+        else if isWindows parsed then vendors.pc
         else                     vendors.unknown;
       kernel = getKernel args.kernel;
       abi =
         /**/ if args ? abi       then getAbi args.abi
-        else if isLinux   system then abis.gnu
-        else if isWindows system then abis.gnu
+        else if isLinux   parsed then abis.gnu
+        else if isWindows parsed then abis.gnu
         else                     abis.unknown;
     };
 
-  in mkSystem system;
+  in mkSystem parsed;
 
   mkSystemFromString = s: mkSystemFromSkeleton (mkSkeletonFromList (lib.splitString "-" s));