Provide more useful information about the build.

Signed-off-by: Tim 'mithro' Ansell <me@mith.ro>
diff --git a/open_pdks/output-start.sh b/open_pdks/output-start.sh
index 689efc5..8d03706 100755
--- a/open_pdks/output-start.sh
+++ b/open_pdks/output-start.sh
@@ -18,4 +18,8 @@
 set -e
 
 cd /tmpfs/src/git/output
+cp /tmpfs/src/out/build.info .
+cp /tmpfs/src/out/build.json .
+git commit -a -F /tmpfs/src/out/build.msg
 git push origin main:building-$VERSION_FINAL
+git reset --hard origin/main