fix publish: right subdir and check if adoc db exists

Author: cirosantilli

_plugins/asciidoctor-extensions.rb

@@ -189,7 +189,9 @@ def remove_pixels basename_noext
 class ExtractHeaderIds < Asciidoctor::Extensions::TreeProcessor
   def initialize(*args, &block)
     super(*args, &block)
-    @db = SQLite3::Database.new File.join($PROJECT_ROOT, 'out', 'db.sqlite')
+    db_dir = File.join($PROJECT_ROOT, 'out')
+    FileUtils.mkdir_p db_dir
+    @db = SQLite3::Database.new File.join(db_dir, 'db.sqlite')
     @table_name = 'sections'
     # Check if table exists and create it if it doesn't.
     if @db.execute("SELECT name FROM sqlite_master WHERE type='table' AND name='#{@table_name}';").empty?

publish

@@ -2,7 +2,7 @@
 # https://www.cirosantilli.com#how-to-develop-ciro-santillis-website
 set -eux
 rootdir="$(pwd)"
-outdir="${rootdir}/publish"
+outdir="${rootdir}/out/publish"
 mkdir -p "$outdir"
 # We maintain a safety clone in this directory,
 # to avoid leaking .gitignored files through Jekyll.