Import the landing kit as a Hugo module instead of copying it

.github/workflows/ci.yml

@@ -14,6 +14,12 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v7
+      # Hugo resolves the landingkit module (hugo.toml [module]) with the go
+      # command, at the version go.mod pins.
+      - uses: actions/setup-go@v7
+        with:
+          go-version-file: go.mod
+          cache: false
       - uses: peaceiris/actions-hugo@v3
         with:
           hugo-version: "0.167.0"

.github/workflows/links.yml

@@ -22,6 +22,12 @@ jobs:
       - uses: actions/checkout@v7
         with:
           submodules: recursive
+      # Hugo resolves the landingkit module (hugo.toml [module]) with the go
+      # command, at the version go.mod pins.
+      - uses: actions/setup-go@v7
+        with:
+          go-version-file: go.mod
+          cache: false
       - uses: peaceiris/actions-hugo@v3
         with:
           hugo-version: "0.167.0"

go.mod

@@ -0,0 +1,5 @@
+module github.com/go-ndarray/go-ndarray.github.io
+
+go 1.27.1
+
+require github.com/go-fleettools/landingkit v0.1.0

go.sum

@@ -0,0 +1,2 @@
+github.com/go-fleettools/landingkit v0.1.0 h1:hTeoBDLRPR5+l95YYQvQQnW0el/GTwh830LXxy6uXSg=
+github.com/go-fleettools/landingkit v0.1.0/go.mod h1:NUBMh7cVFUfD/hX6Xv5ef2O/r4F6rPtPGGVd3T+9qc0=

hugo.toml

@@ -11,6 +11,16 @@ disableKinds = ['taxonomy', 'term', 'rss', 'sitemap', '404']
 [markup.goldmark.renderer]
   unsafe = true
 
+# The design -- layouts/partials/styles.html, theme-toggle.html,
+# fork-ribbon.html and icons/{github,book}.html -- comes from the shared Hugo
+# module github.com/go-fleettools/landingkit, not from copies here: the copies
+# drifted. Its version is pinned in go.mod (Renovate bumps it), and kit.go
+# keeps `go mod tidy` from deleting that requirement. A file of the same name
+# under layouts/partials/ would silently override the module's.
+[module]
+  [[module.imports]]
+    path = "github.com/go-fleettools/landingkit"
+
 [params]
   description = "go-ndarray is a pure-Go (CGO=0) NumPy-style n-dimensional array library for float64 — slicing/views, broadcasting, ufuncs, reductions and linear algebra, multicore + SIMD on amd64, arm64, ppc64le, loong64, riscv64 and s390x, with a Workspace arena for loops."
 

kit.go

@@ -0,0 +1,9 @@
+//go:build tools
+
+// This file never builds. A Hugo site has no Go code, so `go mod tidy` --
+// which Renovate runs after every bump -- would find nothing that uses
+// github.com/go-fleettools/landingkit and delete its requirement from go.mod.
+// Importing it here keeps it. See the landingkit README.
+package site
+
+import _ "github.com/go-fleettools/landingkit"