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https://www.cnblogs.com/daodaotest/p/13841951.html

#!/bin/sh

git filter-branch --env-filter '

# 之前的邮箱
OLD_EMAIL="aaa@aaa.com"
# 修改后的用户名
CORRECT_NAME="bbb"
# 修改后的邮箱
CORRECT_EMAIL="ccc@ccc.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

如果有如下报错，说明原来执行过filter-branch，需要删除原来的备份，执行如下语句

git update-ref -d refs/original/refs/heads/master