fixup scripts

Signed-off-by: Jess Frazelle <jess@oxide.computer>
diff --git a/generate-mirrors.sh b/generate-mirrors.sh
index a749f25..950e62d 100755
--- a/generate-mirrors.sh
+++ b/generate-mirrors.sh
@@ -42,6 +42,11 @@
 	local user=${orig%/*}
 	local name=${orig#*/}
 
+	# Make sure the webhook for jenkins exists.
+	if [[ "${user}" == "jessfraz" ]] || [[ "${user}" == "genuinetools" ]]; then
+		make webhook-jenkins-create REPO="${user}/${name}" 1>/dev/null
+	fi
+
 	rname=${name//-/_}
 	if [[ "$rname" != "go_get_issue"* ]]; then
 		rname=${rname//1/one}
diff --git a/generate-repo-dockerfiles.sh b/generate-repo-dockerfiles.sh
index 03e6c9c..ce2122a 100755
--- a/generate-repo-dockerfiles.sh
+++ b/generate-repo-dockerfiles.sh
@@ -29,7 +29,7 @@
 
 	# Make sure the webhook for jenkins exists.
 	if [[ "${user}" == "jessfraz" ]] || [[ "${user}" == "genuinetools" ]]; then
-		make webhook-jenkins-create REPO="${user}/${name}"
+		make webhook-jenkins-create REPO="${user}/${name}" 1>/dev/null
 	fi
 
 	rname=${name//-/_}