diff --git a/rewrite-local-opam-repository.sh b/rewrite-local-opam-repository.sh
new file mode 100755
index 000000000..ef2fcf0af
--- /dev/null
+++ b/rewrite-local-opam-repository.sh
@@ -0,0 +1,8 @@
+#!/bin/bash
+set -euET -o pipefail
+root_dir="$(pwd | sed -e 's/\\/\\\\/' | sed -e 's/&/\\\&/' | sed -e 's/~/\\~/')"
+cd vendors/ligo-opam-repository
+git grep -z -l src: | xargs -0 \
+  sed -i -e 's~src: "https://gitlab.com/gabriel.alfour/ligo/-/archive/master/ligo.tar.gz"~src: "git+file://'"$root_dir"'"~' \
+         -e 's~src: "https://gitlab.com/gabriel.alfour/ligo-utils/-/archive/master/ligo-utils.tar.gz"~src: "git+file://'"$root_dir"'/vendors/ligo-utils"~' \
+         -e 's~src: "https://gitlab.com/gabriel.alfour/tezos-modded/-/archive/master/tezos-modded.tar.gz"~src: "git+file://'"$root_dir"'/vendors/tezos-modded"~'