publish: copy all src/* before publishing, clean up post

.gitignore

@@ -9,4 +9,5 @@ _site
 build/
 node_modules
 primer-version.txt
+publish-files.txt
 static/primer.css

package.json

@@ -34,7 +34,9 @@
     "check-links": "script/check-links http://localhost:3000/css -v",
     "test-all-modules": "ava --verbose tests/test-*.js",
     "now-build": "next build",
-    "now-start": "next start"
+    "now-start": "next start",
+    "prepublishOnly:" "script/prepublish",
+    "postpublish": "script/postpublish"
   },
   "devDependencies": {
     "@githubprimer/octicons-react": "^8.1.3",

script/postpublish

@@ -0,0 +1,9 @@
+#!/bin/bash
+set -e
+
+file=publish-files.txt
+if [[ -f $file ]]; then
+    echo "deleting all files listed in $file..."
+    cat $file | xargs rm -rfv
+    rm $file
+fi

script/prepublish

@@ -0,0 +1,7 @@
+#!/bin/bash
+
+files=$(git ls-files src | sed -e 's#^src/##' | sed -e 's#/.*$##' | sort -u)
+echo $files > publish-files.txt
+cd src
+cp -rv $files ..
+cd -