伪造 git commit 时间

export GIT_AUTHOR_DATE="2020-09-08T10:32:40+0800"
export GIT_COMMITTER_DATE="2020-09-08T10:32:40+0800"
git add .
git commit -m "fake timestamp commit"
git push

or

git add .
git commit -m "fake timestamp commit"
export GIT_AUTHOR_DATE="2020-09-08T10:32:40+0800"
export GIT_COMMITTER_DATE="2020-09-08T10:32:40+0800"
git commit --amend --no-edit
git push -f