diff --git a/scripts/anapic_release_diff.sh b/scripts/anapic_release_diff.sh
new file mode 100755
index 0000000..ea5214b
--- /dev/null
+++ b/scripts/anapic_release_diff.sh
@@ -0,0 +1,30 @@
+#!/bin/bash
+#
+# Create a CL that contains the changes between this branch and a newer branch
+# for a given AIDL interface.
+# Be sure that BRANCH_BASE is the current upstream branch in order to get a CL.
+
+if [[ $# -ne 3 ]]; then
+    echo "Usage: $0 BRANCH_BASE BRANCH_NEW PACKAGE_NAME"
+    echo "- BRANCH_BASE current branch, typically a previous release's dev branch"
+    echo "- BRANCH_NEW end branch, typically goog/master as the latest branch"
+    echo "- PACKAGE_NAME this is the AIDL package name"
+    echo "example of creating the diffs for android.hardware.boot"
+    echo "$ git checkout tm-dev ; repo start review"
+    echo "$ ./anapic_release_diff.sh goog/tm-dev goog/master android.hardware.boot"
+    exit 1
+fi
+
+# for pathmod
+source ${ANDROID_BUILD_TOP}/build/make/envsetup.sh
+
+set -ex
+
+INTERFACE_NAME_NO_VER=${3%@*}
+pushd $(pathmod $INTERFACE_NAME_NO_VER)
+git diff "$1".."$2" android | git apply
+git add -A
+git commit -am "Android $1 to $2: $3" --no-edit
+git diff HEAD~1 --stat
+repo upload . --no-verify
+popd