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authorAlyssa Ross <hi@alyssa.is>2022-05-31 09:59:33 +0000
committerAlyssa Ross <hi@alyssa.is>2022-05-31 09:59:57 +0000
commit9ff36293d1e428cd7bf03e8d4b03611b6d361c28 (patch)
tree1ab51a42b868c55b83f6ccdb80371b9888739dd9 /lib/kernel.nix
parent1c4fcd0d4b0541e674ee56ace1053e23e562cc80 (diff)
parentddc3c396a51918043bb0faa6f676abd9562be62c (diff)
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Last good Nixpkgs for Weston+nouveau? archive
I came this commit hash to terwiz[m] on IRC, who is trying to figure out
what the last version of Spectrum that worked on their NUC with Nvidia
graphics is.
Diffstat (limited to 'lib/kernel.nix')
-rw-r--r--lib/kernel.nix26
1 files changed, 26 insertions, 0 deletions
diff --git a/lib/kernel.nix b/lib/kernel.nix
new file mode 100644
index 00000000000..ffcbc268b76
--- /dev/null
+++ b/lib/kernel.nix
@@ -0,0 +1,26 @@
+{ lib }:
+
+with lib;
+{
+
+
+  # Keeping these around in case we decide to change this horrible implementation :)
+  option = x:
+      x // { optional = true; };
+
+  yes      = { tristate    = "y"; optional = false; };
+  no       = { tristate    = "n"; optional = false; };
+  module   = { tristate    = "m"; optional = false; };
+  freeform = x: { freeform = x; optional = false; };
+
+  /*
+    Common patterns/legacy used in common-config/hardened/config.nix
+   */
+  whenHelpers = version: {
+    whenAtLeast = ver: mkIf (versionAtLeast version ver);
+    whenOlder   = ver: mkIf (versionOlder version ver);
+    # range is (inclusive, exclusive)
+    whenBetween = verLow: verHigh: mkIf (versionAtLeast version verLow && versionOlder version verHigh);
+  };
+
+}