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authorBen Sima <ben@bsima.me>2024-11-15 14:55:37 -0500
committerBen Sima <ben@bsima.me>2024-12-21 10:06:49 -0500
commit6513755670892983db88a6633b8c1ea6019c03d1 (patch)
tree44e9eccdb7a3a74ab7e96a8fee7572dd6a78dc73 /Omni/Bild/Functions.nix
parentae7b7e0186b5f2e0dcd4d5fac0a71fa264caedc2 (diff)
Re-namespace some stuff to Omni
I was getting confused about what is a product and what is internal infrastructure; I think it is good to keep those things separate. So I moved a bunch of stuff to an Omni namespace, actually most stuff went there. Only things that are explicitly external products are still in the Biz namespace.
Diffstat (limited to 'Omni/Bild/Functions.nix')
-rw-r--r--Omni/Bild/Functions.nix33
1 files changed, 33 insertions, 0 deletions
diff --git a/Omni/Bild/Functions.nix b/Omni/Bild/Functions.nix
new file mode 100644
index 0000000..8b87f86
--- /dev/null
+++ b/Omni/Bild/Functions.nix
@@ -0,0 +1,33 @@
+_: super: {
+ # Given a generic `builder`, will generate an attrset for all the packages
+ # pinned by `deps` with `builder` applied to the package. This attrset can
+ # then be merged with the rest of the packages in the set as part of an
+ # overlay or overrides.
+ overridePinnedDeps = builder:
+ super.lib.genAttrs (builtins.attrNames super.sources) builder;
+
+ # Modifies a derivation with our source and version, keeping super build
+ # rules. This will fail if build steps have changed, or if no build
+ # rules are available upstream.
+ overrideSource = depName:
+ if super ? "${depName}" && super.${depName} ? overrideAttrs then
+ super.${depName}.overrideAttrs (attrs:
+ attrs // rec {
+ version =
+ super.sources.${depName}.version or super.sources.${depName}.rev;
+ src = super.sources.${depName};
+ })
+ else
+ null;
+
+ # Simply override the 'src' attr on a drv. This is meant to be a simpler
+ # alternative to 'overrideSource' above. In an overlay, use it like:
+ # mypkg = super.overrideSrc super.mypkg super.sources.mypkg;
+ overrideSrc = dep: src:
+ dep.overrideAttrs (attrs:
+ attrs // {
+ version = src.version or src.rev;
+ src = src;
+ });
+}
+