do not render failed packages in jinja (#57)

basic templates require package info which is unavailable if package
wasn't built

package/archlinux/PKGBUILD

@@ -38,7 +38,7 @@ build() {
 package() {
   cd "$pkgname"
 
-  python -m installer --destdir="$pkgdir" dist/*.whl
+  python -m installer --destdir="$pkgdir" "dist/$pkgname-$pkgver-py3-none-any.whl"
 
   # python-installer actually thinks that you cannot just copy files to root
   # thus we need to copy them manually

package/share/ahriman/templates/telegram-index.jinja2

@@ -1,5 +1,4 @@
 {#simplified version of full report#}
 <b>{{ repository }} update</b>
 {% for package in packages %}
-<a href="{{ link_path }}/{{ package.filename }}">{{ package.name }}</a> {{ package.version }} at {{ package.build_date }}
-{% endfor %}
+<a href="{{ link_path }}/{{ package.filename }}">{{ package.name }}</a> {{ package.version }}{% endfor %}