nix fmt

lib/versioning.nix

@@ -9,7 +9,8 @@ let
     getAttr
     attrNames
     toString
-    replaceStrings;
+    replaceStrings
+    ;
 
   mapAttrs = lib.mapAttrs;
   recursiveUpdate = lib.recursiveUpdate;
@@ -18,40 +19,44 @@ let
   deepMerge = a: b: recursiveUpdate a b;
 
   # Merge component sources: base.sources overlaid by overrides (component-wise deep merge).
-  mergeSources = baseSources: overrides:
-    baseSources //
-    mapAttrs (name: ov:
-      if hasAttr name baseSources then deepMerge (getAttr name baseSources) ov else ov
+  mergeSources =
+    baseSources: overrides:
+    baseSources
+    // mapAttrs (
+      name: ov: if hasAttr name baseSources then deepMerge (getAttr name baseSources) ov else ov
     ) overrides;
 
   # Apply a single variant overlay (variables + sources).
-  applyVariantOnce = selected: variant:
+  applyVariantOnce =
+    selected: variant:
     let
-      vVars = if variant ? variables then variant.variables else {};
-      vSrcs = if variant ? sources then variant.sources else {};
+      vVars = if variant ? variables then variant.variables else { };
+      vSrcs = if variant ? sources then variant.sources else { };
     in
     {
       variables = selected.variables // vVars;
-      sources   = mergeSources selected.sources vSrcs;
+      sources = mergeSources selected.sources vSrcs;
     };
 
   # Apply platform-specific overrides if present for the given system.
-  applyPlatforms = selected: variant: system:
+  applyPlatforms =
+    selected: variant: system:
     if system == null || !(variant ? platforms) || !(hasAttr system variant.platforms) then
       selected
     else
       let
         p = variant.platforms.${system};
-        pVars = if p ? variables then p.variables else {};
-        pSrcs = if p ? sources then p.sources else {};
+        pVars = if p ? variables then p.variables else { };
+        pSrcs = if p ? sources then p.sources else { };
       in
       {
         variables = selected.variables // pVars;
-        sources   = mergeSources selected.sources pSrcs;
+        sources = mergeSources selected.sources pSrcs;
       };
 
   # Resolve variant chain via inherits (ancestor first), then apply platforms.
-  resolveVariant = spec: baseSelected: variantName: system:
+  resolveVariant =
+    spec: baseSelected: variantName: system:
     if variantName == null || !(spec ? variants) || !(hasAttr variantName spec.variants) then
       baseSelected
     else
@@ -64,7 +69,8 @@ let
       applyPlatforms withVariant v system;
 
   # Render ${var} substitutions in any string within attrs/lists.
-  renderValue = value: vars:
+  renderValue =
+    value: vars:
     if isString value then
       let
         keys = attrNames vars;
@@ -80,23 +86,26 @@ let
       value;
 
   # Decide fetcher for URL type based on optional extra.unpack hint.
-  useFetchZip = comp:
-    comp ? extra && comp.extra ? unpack && comp.extra.unpack == "zip";
+  useFetchZip = comp: comp ? extra && comp.extra ? unpack && comp.extra.unpack == "zip";
 
   # Build a single src from a rendered component spec.
-  mkSrcFromRendered = comp:
+  mkSrcFromRendered =
+    comp:
     let
       fetcher = if comp ? fetcher then comp.fetcher else "none";
     in
     if fetcher == "github" then
-      pkgs.fetchFromGitHub ({
-        owner = comp.owner;
-        repo  = comp.repo;
-        # Allow tag as rev (ignore null/empty tag)
-        rev   = if comp ? tag && comp.tag != null && comp.tag != "" then comp.tag else comp.rev;
-        fetchSubmodules = if comp ? submodules then comp.submodules else false;
-        hash = comp.hash;
-      } // lib.optionalAttrs (comp ? name) { name = comp.name; })
+      pkgs.fetchFromGitHub (
+        {
+          owner = comp.owner;
+          repo = comp.repo;
+          # Allow tag as rev (ignore null/empty tag)
+          rev = if comp ? tag && comp.tag != null && comp.tag != "" then comp.tag else comp.rev;
+          fetchSubmodules = if comp ? submodules then comp.submodules else false;
+          hash = comp.hash;
+        }
+        // lib.optionalAttrs (comp ? name) { name = comp.name; }
+      )
     else if fetcher == "git" then
       pkgs.fetchgit {
         url = comp.url;
@@ -110,11 +119,17 @@ let
       in
       if useFetchZip comp then
         pkgs.fetchzip (
-          { inherit url; hash = comp.hash; }
+          {
+            inherit url;
+            hash = comp.hash;
+          }
           // lib.optionalAttrs (comp ? extra && comp.extra ? stripRoot) { stripRoot = comp.extra.stripRoot; }
         )
       else
-        pkgs.fetchurl { inherit url; hash = comp.hash; }
+        pkgs.fetchurl {
+          inherit url;
+          hash = comp.hash;
+        }
     else if fetcher == "pypi" then
       pkgs.python3Packages.fetchPypi {
         pname = comp.name;
@@ -125,7 +140,8 @@ let
       # fetcher == "none": pass-through (e.g., linux version/hash consumed by custom logic)
       comp;
 
-in rec {
+in
+rec {
   /*
     Select a variant from a loaded version.json specification.
 
@@ -135,12 +151,17 @@ in rec {
       - variantName: string or null (when null, uses spec.defaultVariant if present)
       - system: string like "x86_64-linux" or null (to apply platforms overrides)
   */
-  selectVariant = spec: variantName: system:
+  selectVariant =
+    spec: variantName: system:
     let
-      chosen = if variantName != null then variantName else (if spec ? defaultVariant then spec.defaultVariant else null);
+      chosen =
+        if variantName != null then
+          variantName
+        else
+          (if spec ? defaultVariant then spec.defaultVariant else null);
       baseSelected = {
-        variables = if spec ? variables then spec.variables else {};
-        sources   = if spec ? sources then spec.sources else {};
+        variables = if spec ? variables then spec.variables else { };
+        sources = if spec ? sources then spec.sources else { };
       };
     in
     resolveVariant spec baseSelected chosen system;
@@ -155,9 +176,12 @@ in rec {
     Render a component with variables and then build its src (or pass-through for fetcher "none").
     Prefer using mkAllSources, which handles rendering for all components.
   */
-  mkSrc = comp: variables:
-    let rendered = renderValue comp variables;
-    in mkSrcFromRendered rendered;
+  mkSrc =
+    comp: variables:
+    let
+      rendered = renderValue comp variables;
+    in
+    mkSrcFromRendered rendered;
 
   /*
     Produce an attrset of all sources for a selected spec:
@@ -167,15 +191,16 @@ in rec {
     Returns:
       { componentName = src | renderedComp (for "none"); ... }
   */
-  mkAllSources = selected:
-    mapAttrs (_name: comp:
-      if comp ? fetcher && comp.fetcher == "none"
-      then renderValue comp selected.variables
-      else mkSrc (renderValue comp selected.variables) selected.variables
+  mkAllSources =
+    selected:
+    mapAttrs (
+      _name: comp:
+      if comp ? fetcher && comp.fetcher == "none" then
+        renderValue comp selected.variables
+      else
+        mkSrc (renderValue comp selected.variables) selected.variables
     ) selected.sources;
 
-  /*
-    Expose deepMerge for convenience (right-biased).
-  */
+  # Expose deepMerge for convenience (right-biased).
   inherit deepMerge;
 }