Add ebuild test line to Gentoo overlay post.

diff --git a/posts/Gentoo_overlay.mdwn b/posts/Gentoo_overlay.mdwn
index f631ef5594befc237b950bb130d2de6d6901a0f6..d933f063a7164210052e79c740447ddfbdc4a79c 100644 (file)
--- a/posts/Gentoo_overlay.mdwn
+++ b/posts/Gentoo_overlay.mdwn
@@ -50,7 +50,12 @@ provides!
 You might also be interested in my [[branch of Torsten Veller's
 overlay|Tove overlay]].  Update: my branch made it easier to install
 updated versions of [ikiwiki][], but Torsten has sinced pushed the
-ikiwiki ebuild into the stock Portage tree..
+ikiwiki ebuild into the stock Portage tree.
+
+As a note to myself, you can test all the ebuilds in your overlay from
+the overlay's root directory with:
+
+    # emerge --oneshot -av $(find . -name '*.ebuild' | sed 's/^..//' | sed 's/\/[^/]*$//' | sort | uniq)
 
 [Gentoo overlays]: http://www.gentoo.org/proj/en/overlays/userguide.xml
 [layman]: http://layman.sourceforge.net/