From ea0bcf25053464a9f0483c3b2f411275de036e57 Mon Sep 17 00:00:00 2001
From: Adam Joseph <adam@westernsemico.com>
Date: Fri, 27 Jan 2023 02:19:54 -0800
Subject: [PATCH] lib/systems/inspect.nix: add platformPatterns.isStatic

---
 lib/systems/inspect.nix | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/lib/systems/inspect.nix b/lib/systems/inspect.nix
index a5fed5acf2c5..65a9100f1993 100644
--- a/lib/systems/inspect.nix
+++ b/lib/systems/inspect.nix
@@ -7,6 +7,7 @@ let abis_ = abis; in
 let abis = lib.mapAttrs (_: abi: builtins.removeAttrs abi [ "assertions" ]) abis_; in
 
 rec {
+  # these patterns are to be matched against {host,build,target}Platform.parsed
   patterns = rec {
     isi686         = { cpu = cpuTypes.i686; };
     isx86_32       = { cpu = { family = "x86"; bits = 32; }; };
@@ -90,4 +91,13 @@ rec {
     else matchAttrs patterns;
 
   predicates = mapAttrs (_: matchAnyAttrs) patterns;
+
+  # these patterns are to be matched against the entire
+  # {host,build,target}Platform structure; they include a `parsed={}` marker so
+  # that `lib.meta.availableOn` can distinguish them from the patterns which
+  # apply only to the `parsed` field.
+
+  platformPatterns = {
+    isStatic       = { parsed = {}; isStatic = true; };
+  };
 }