use header image from metadata.txt

g2e.awk

@@ -17,6 +17,10 @@ BEGIN{
 		value = $2
 		for(i=3;i<=NF;i++) value = value " " $i
 
+		if(key=="cover"){
+			sub(/^.+\//,"",value) # get basename
+		}
+
 		meta[key] = value
 
 		# set index file as an argument to be read
@@ -53,8 +57,7 @@ BEGIN{
 	}
 
 	# start writing metadata files
-	content_header = write_template( "content-header.opf", meta )
-	content = write_template("content-manifest-header.opf", meta )
+	content = write_template("content-header.opf", meta )
 	toc = write_template( "toc-header.ncx", meta )
 	spinetoc = "  <spine toc=\"ncx\">\n"
 }
@@ -110,18 +113,15 @@ ARGIND==2 && FNR==1{
 		sub(/^.+\//,"",id) # get basename
 
 		properties = ""
-		if(id~/cover/){
+		if(id~meta["cover"]){
 			properties = "properties=\"cover-image\""
-			content_header = content_header "    <meta content=\"" id "\" name=\"cover\">\n"
 		}
 		content = content "    <item id=\"" id "\" href=\"" dest "\" media-type=\"" mediatype "\" " properties "/>\n"
 	}
 	$0 = line
 
 	# finalize metadata files
-	content_header = content_header "  </metadata>\n\n"
 	content = content "  </manifest>\n\n" spinetoc "  </spine>\n\n</package>"
-	content = content_header content
 	print content > epubodir "content.opf"
 
 	toc = toc "  </navMap>\n</ncx>"

templates/content-header.opf

@@ -8,3 +8,9 @@
     <dc:creator opf:role="aut">{author}</dc:creator>
     <dc:description>{description}</dc:description>
     <dc:date>{publishDate}</dc:date>
+    <meta content="{cover}" name="cover"/>
+  </metadata>
+
+  <manifest>
+    <item id="stylesheet" href="style.css" media-type="text/css"/>
+    <item id="ncx" href="toc.ncx" media-type="application/x-dtbncx+xml"/>