本文操作环境：Windows10系统、Git2.30.0版、Dell G3电脑。
git怎么修改commit时间
1.修改最近一次提交的作者日期和提交者日期
如果要修改最近一次commit的作者日期和提交者日期，直接使用 git commit --amend即可
注:日期格式须为ISO-8601格式
GIT_COMMITTER_DATE="2017-10-08T09:51:07" git commit --amend --date="2017-10-08T09:51:07"
2.修改某次提交的作者日期和提交者日期
如果要更改某次(可以是最近一次也可以是非最近一次)提交的作者日期和提交者日期，可以使用交互式rebase：
执行git rebase -i COMMIT_SHA ， 此COMMIT_SHA为待修改日期的commit的前一个commit的commit sha
在vi弹出交互信息中将待修改日期的commit前的pick修改为e
执行日期修改命令 GIT_COMMITTER_DATE="2017-10-08T09:51:07" git commit --amend --date="2017-10-08T09:51:07"
执行 git rebase --continue转到下一个commit
重复此过程，直到修改所有提交。 通过git status可查看进展。
3.修改示例
当前git log提交信息如下
admin@DESKTOP-PC MINGW64 /e/TestProj/ModifyTimeTest (master) $ git log --oneline 2fe64c4 (HEAD -> master) modify Readme.md 3 6b98331 modify Readme.md 2 98ddd80 modify Readme.md 1 fcfc064 add Readme.md
假设此时需要修改 6b98331 modify Readme.md 2这一commit的作者日期和提交者日期
修改步骤为:
执行交互式变基命令 git rebase -i 98ddd80
在弹出的vi编辑信息中，将 6b98331提交前的pick修改为e，随后执行 :wq 保存
e 6b98331 modify Readme.md 2 # 此处原为pick,将pick修改为e / edit pick 2fe64c4 modify Readme.md 3 # Rebase 98ddd80..2fe64c4 onto 98ddd80 (2 commands) # # Commands: # p, pick <commit> = use commit # r, reword <commit> = use commit, but edit the commit message # e, edit <commit> = use commit, but stop for amending # s, squash <commit> = use commit, but meld into previous commit # f, fixup <commit> = like "squash", but discard this commit's log message # x, exec <command> = run command (the rest of the line) using shell # b, break = stop here (continue rebase later with 'git rebase --continue') # d, drop <commit> = remove commit # l, label <label> = label current HEAD with a name # t, reset <label> = reset HEAD to a label # m, merge [-C <commit> | -c <commit>] <label> [# <oneline>] # . create a merge commit using the original merge commit's # . message (or the oneline, if no original merge commit was # . specified). Use -c <commit> to reword the commit message. # # These lines can be re-ordered; they are executed from top to bottom. # # If you remove a line here THAT COMMIT WILL BE LOST. # # However, if you remove everything, the rebase will be aborted.
执行 GIT_COMMITTER_DATE="2021-10-22T15:10:07" git commit --amend --date="2021-10-22T15:10:07" 将作者日期和提交者日期均修改为2021-10-22T15:10:07。然后可选择在弹出的vi信息编辑窗中可修改提交日志，然后执行 :wq 保存
然后执行 git rebase --continue转到下一个提交，直到保存所有修改。完成后再使用git log查看提交信息即可看到提交信息已被修改
上述示例的完整日志如下:
admin@DESKTOP-PC MINGW64 /e/TestProj/ModifyTimeTest (master) $ git log --oneline 2fe64c4 (HEAD -> master) modify Readme.md 3 6b98331 modify Readme.md 2 98ddd80 modify Readme.md 1 fcfc064 add Readme.md admin@DESKTOP-PC MINGW64 /e/TestProj/ModifyTimeTest (master) $ git rebase -i 98ddd80 Stopped at 6b98331... modify Readme.md 2 You can amend the commit now, with git commit --amend Once you are satisfied with your changes, run git rebase --continue admin@DESKTOP-PC MINGW64 /e/TestProj/ModifyTimeTest (master|REBASE 1/2) $ GIT_COMMITTER_DATE="2021-10-22T15:10:07" git commit --amend --date="2021-10-22T15:10:07" [detached HEAD 137f41d] modify Readme.md 2 Date: Fri Oct 22 15:10:07 2021 +0800 1 file changed, 16 insertions(+) admin@DESKTOP-PC MINGW64 /e/TestProj/ModifyTimeTest (master|REBASE 1/2) $ git status interactive rebase in progress; onto 98ddd80 Last command done (1 command done): edit 6b98331 modify Readme.md 2 Next command to do (1 remaining command): pick 2fe64c4 modify Readme.md 3 (use "git rebase --edit-todo" to view and edit) You are currently editing a commit while rebasing branch 'master' on '98ddd80'. (use "git commit --amend" to amend the current commit) (use "git rebase --continue" once you are satisfied with your changes) nothing to commit, working tree clean admin@DESKTOP-PC MINGW64 /e/TestProj/ModifyTimeTest (master|REBASE 1/2) $ git rebase --continue Successfully rebased and updated refs/heads/master. admin@DESKTOP-PC MINGW64 /e/TestProj/ModifyTimeTest (master) $ git status On branch master nothing to commit, working tree clean
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