git revert

cor@MiWiFi-R3-srv:~$ mkdir test
cor@MiWiFi-R3-srv:~$ cd test/
cor@MiWiFi-R3-srv:~/test$ git init 
Initialized empty Git repository in /home/cor/test/.git/

 2. new a file

cor@MiWiFi-R3-srv:~/test$ ls
cor@MiWiFi-R3-srv:~/test$ touch r1
cor@MiWiFi-R3-srv:~/test$ vim r1 
cor@MiWiFi-R3-srv:~/test$ cat r1 
1

 3. git add + git commit

cor@MiWiFi-R3-srv:~/test$ git add .
cor@MiWiFi-R3-srv:~/test$ git commit .
[master (root-commit) d3e3706] First
 Committer: Cor <cor@MiWiFi-R3-srv.nosure>
Your name and email address were configured automatically based
on your username and hostname. Please check that they are accurate.
You can suppress this message by setting them explicitly:

    git config --global user.name "Your Name"
    git config --global user.email you@example.com

After doing this, you may fix the identity used for this commit with:

    git commit --amend --reset-author

 1 file changed, 2 insertions(+)
 create mode 100644 r1
cor@MiWiFi-R3-srv:~/test$ git config --list
core.editor=vim
core.repositoryformatversion=0
core.filemode=true
core.bare=false
core.logallrefupdates=true
cor@MiWiFi-R3-srv:~/test$ git config --global user.name "Corner"
cor@MiWiFi-R3-srv:~/test$ git config --global user.email lz303@126.com
cor@MiWiFi-R3-srv:~/test$ git config --list
core.editor=vim
user.name=Corner
user.email=lz303@126.com
core.repositoryformatversion=0
core.filemode=true
core.bare=false
core.logallrefupdates=true
cor@MiWiFi-R3-srv:~/test$ git branch
* master

4. check -b + add new file

cor@MiWiFi-R3-srv:~/test$ git checkout -b secon
Switched to a new branch 'secon'
cor@MiWiFi-R3-srv:~/test$ ls
r1
cor@MiWiFi-R3-srv:~/test$ touch r2
cor@MiWiFi-R3-srv:~/test$ vim r2
cor@MiWiFi-R3-srv:~/test$ cat r2
1

2

cor@MiWiFi-R3-srv:~/test$ git add .
cor@MiWiFi-R3-srv:~/test$ git commit .
[secon 488ffd9] Second
 1 file changed, 4 insertions(+)
 create mode 100644 r2
cor@MiWiFi-R3-srv:~/test$ git checkout master 
Switched to branch 'master'
cor@MiWiFi-R3-srv:~/test$ git branch
* master
  secon
cor@MiWiFi-R3-srv:~/test$ git merge secon 
Updating d3e3706..488ffd9
Fast-forward
 r2 | 4 ++++
 1 file changed, 4 insertions(+)
 create mode 100644 r2

5. repeat setp 4 , till the fivth

#before

cor@MiWiFi-R3-srv:~/test$ git log
commit 488ffd9786a6a39276a0b6edcb45b7c22488b7a8
Author: Corner <lz303@126.com>
Date:   Sat Mar 21 21:41:55 2020 +0800

    Second

commit d3e37065750dfb0dbceed9221e0617db1570dde2
Author: Cor <cor@MiWiFi-R3-srv.nosure>
Date:   Sat Mar 21 21:38:19 2020 +0800

    First

6.

cor@MiWiFi-R3-srv:~/test$ git log
commit 04485d658b7c115bb479c375a09c26e492182286
Author: Corner <lz303@126.com>
Date:   Sat Mar 21 21:48:09 2020 +0800

    Fivth

commit 56597be06254cb3f3be10f4c20f45303baf01b0e
Author: Corner <lz303@126.com>
Date:   Sat Mar 21 21:47:10 2020 +0800

    Forth

commit 6ef22830a8dea5031cc00d9738fdaaa6e1d4b475
Author: Corner <lz303@126.com>
Date:   Sat Mar 21 21:45:29 2020 +0800

    Third

commit 488ffd9786a6a39276a0b6edcb45b7c22488b7a8
Author: Corner <lz303@126.com>
Date:   Sat Mar 21 21:41:55 2020 +0800

    Second

commit d3e37065750dfb0dbceed9221e0617db1570dde2
Author: Cor <cor@MiWiFi-R3-srv.nosure>
Date:   Sat Mar 21 21:38:19 2020 +0800

    First

 7.

cor@MiWiFi-R3-srv:~/test$ cat r1 
1

cor@MiWiFi-R3-srv:~/test$ cat r2
1

2

cor@MiWiFi-R3-srv:~/test$ cat r3
1

2

3
cor@MiWiFi-R3-srv:~/test$ cat r4
1

2

3

4

cor@MiWiFi-R3-srv:~/test$ cat r5
1

2

3

4

5

 8

 

cor@MiWiFi-R3-srv:~/test$ git revert 488ffd9786a6a39276a0b6edcb45b7c22488b7a8
[master a465835] Revert "Second"
 1 file changed, 4 deletions(-)
 delete mode 100644 r2

 

cor@MiWiFi-R3-srv:~/test$ ls
r1  r3  r4  r5