Merge pull request #249932 from delroth/buildnpmpackage-manpage

buildNpmPackage: symlink manpages to the correct output directory

pkgs/build-support/node/build-npm-package/hooks/npm-install-hook.sh

@@ -24,6 +24,13 @@ npmInstallHook() {
         elif $typ == "object" then .bin | to_entries | map(.key + " " + .value) | join("\n")
         else "invalid type " + $typ | halt_error end' "${npmWorkspace-.}/package.json")
 
+    while IFS= read -r man; do
+        mkdir -p "$out/share/man"
+        ln -s "$packageOut/$man" "$out/share/man"
+    done < <(@jq@ --raw-output '(.man | type) as $typ | if $typ == "string" then .man
+        elif $typ == "list" then .man | join("\n")
+        else "invalid type " + $typ | halt_error end' "${npmWorkspace-.}/package.json")
+
     local -r nodeModulesPath="$packageOut/node_modules"
 
     if [ ! -d "$nodeModulesPath" ]; then