Little bash script to download all of your public github repos and rewrite your username and email in all commits

github-noreply.sh

#!/bin/bash

GH_USERNAME=<GitHub Username>

mkdir -p /tmp/gh-noreply/
cd /tmp/gh-noreply

for repo in $(curl --request GET https://api.github.com/users/$GH_USERNAME/repos | jq --raw-output '.[] .name'); do
    git clone https://github.com/$GH_USERNAME/$repo
    cd $repo

    FILTER_BRANCH_SQUELCH_WARNING=1 git filter-branch -f --env-filter '

    OLD_EMAIL="<GitHub Old Email>"
    CORRECT_NAME="<GitHub Username>"
    CORRECT_EMAIL="<GitHub Email>"

    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

    git push --force
    cd ..

done