Copy local images and change to soft warning for other missing links

lib/fix_html.js

@@ -5,6 +5,7 @@ const slugify = require('slugify')
 const resolve = require('path').resolve
 const dirname = require('path').dirname
 const relative = require('path').relative
+const fs = require('fs')
 
 /**
  * Internal: Performs in-place HTML filters (such as fixing URLs).
@@ -61,7 +62,31 @@ function fixReferences ($, fname, sources, files, page) {
 
     // Ensure that it's available.
     if (!sources[target]) {
-      throw new Error(`${base}: Unknown reference '${origUrl}'`)
+
+      // copy images to dist
+      if ($this[0].name == 'img') {
+
+          try {
+              let img = fs.readFileSync(cwd+'/'+target)
+
+              // metalsmith will write the image
+              files[target] = {
+                  contents: img,
+                  filename: target
+              }
+
+              // change to absolute URL
+              $this.attr(attr, '/'+target)
+
+          } catch (err) {
+              console.warn(`${base}: Unknown reference '${origUrl}'`)
+          }
+
+      } else {
+          console.warn(`${base}: Unknown reference '${origUrl}'`)
+      }
+
+      return;
     }
 
     // Relativize that absolute URL.

lib/ms.js

@@ -23,6 +23,10 @@ function docpress (cwd, options) {
     .metadata(meta)
     .ignore('node_modules')
     .ignore(`!**/{${meta.docs}{,/**/*},*.md}`)
+
+  if (Array.isArray(meta.ignore)) {
+    meta.ignore.forEach(str=>app.ignore(str))
+  }
 
   if (Array.isArray(meta.ignore)) {
     meta.ignore.forEach(str => app.ignore(str))