diff --git a/git-commit-rewrite.sh b/git-commit-rewrite.sh
new file mode 100755
index 0000000..7e890d0
--- /dev/null
+++ b/git-commit-rewrite.sh
@@ -0,0 +1,15 @@
+#!/bin/bash
+
+git filter-branch --env-filter '
+OLD_EMAIL="old@example.com"
+CORRECT_NAME="name"
+CORRECT_EMAIL="name@example.com"
+if [ "${GIT_COMMITTER_EMAIL}" = "${OLD_EMAIL}" ]; then
+    export GIT_COMMITTER_NAME="${CORRECT_NAME}"
+    export GIT_COMMITTER_EMAIL="${CORRECT_EMAIL}"
+fi
+if [ "${GIT_AUTHOR_EMAIL}" = "${OLD_EMAIL}" ]; then
+    export GIT_AUTHOR_NAME="${CORRECT_NAME}"
+    export GIT_AUTHOR_EMAIL="{$CORRECT_EMAIL}"
+fi
+' --tag-name-filter cat -- --branches --tags