diff --git a/tools/fetch-rebase-pull-request b/tools/fetch-rebase-pull-request
new file mode 100755
index 0000000000..25dd48d619
--- /dev/null
+++ b/tools/fetch-rebase-pull-request
@@ -0,0 +1,10 @@
+#!/bin/sh
+set -e
+set -x
+
+request_id="$1"
+git fetch origin "pull/$request_id/head"
+git checkout origin/master -b "review-${request_id}"
+git reset --hard FETCH_HEAD
+git pull --rebase
+
diff --git a/tools/reset-to-pull-request b/tools/reset-to-pull-request
new file mode 100755
index 0000000000..fcf5d9750b
--- /dev/null
+++ b/tools/reset-to-pull-request
@@ -0,0 +1,7 @@
+#!/bin/sh
+set -e
+set -x
+
+request_id="$1"
+git fetch origin "pull/$request_id/head"
+git reset --hard FETCH_HEAD