🎨 (docs): Strip homepage line during mdBook build

docs/book.toml

@@ -22,3 +22,6 @@ level = 1
 
 [output.html.search]
 limit-results = 15
+
+[preprocessor.strip-homepage]
+command = '''./hack/preprocessor/replace-content.sh "\*\*Homepage:\*\*.+\n" ""'''

docs/hack/prepare-docs.sh

@@ -14,8 +14,7 @@ CHARTS=()
 while IFS= read -r -d '' f; do
   mkdir -p "docs/src/$(dirname "$f")"
 
-  sed '/^\*\*Homepage:\*\*/,+1d' "$f" \
-    | sed "s|(\./\(.*\.yaml\))|($repo_path/blob/main/$(dirname "$f")/\1)|g" \
+  sed "s|(\./\(.*\.yaml\))|($repo_path/blob/main/$(dirname "$f")/\1)|g" "$f" \
     > "docs/src/$f"
 
   CHARTS+=("$(basename "$(dirname "$f")")")

docs/hack/preprocessor/replace-content.sh

@@ -0,0 +1,16 @@
+#!/usr/bin/env bash
+set -euo pipefail
+export IFS=$'\n\t'
+
+# require yq
+command -v yq >/dev/null 2>&1 || {
+  echo >&2 'yq (https://github.com/mikefarah/yq) is not installed. Aborting.'
+  exit 1
+}
+
+if [[ "${3:-}" == supports ]]; then
+  exit
+fi
+
+export FIND="$1" REPLACE="$2"
+yq -o json '.[1] | (.. | select(key == "content")) |= sub(strenv(FIND), strenv(REPLACE))' -