p19 hard,soft以及mixed参数对比

p20 永久删除后文件找回

p21 添加到暂存区的删除文件找回

Administrator@F4HFJA67XY3IIM1 MINGW64 /c/gitExercise/weChat (master)
$ ll -l
total 1
-rw-r--r-- 1 Administrator 197121 98  9月 14 19:22 good.txt

Administrator@F4HFJA67XY3IIM1 MINGW64 /c/gitExercise/weChat (master)
$ vim apple.txt

Administrator@F4HFJA67XY3IIM1 MINGW64 /c/gitExercise/weChat (master)
$ ll -l
total 2
-rw-r--r-- 1 Administrator 197121 12  9月 14 19:23 apple.txt
-rw-r--r-- 1 Administrator 197121 98  9月 14 19:22 good.txt

Administrator@F4HFJA67XY3IIM1 MINGW64 /c/gitExercise/weChat (master)
$ git add apple.txt
warning: LF will be replaced by CRLF in apple.txt.
The file will have its original line endings in your working directory

Administrator@F4HFJA67XY3IIM1 MINGW64 /c/gitExercise/weChat (master)
$ git commit apple.txt
warning: LF will be replaced by CRLF in apple.txt.
The file will have its original line endings in your working directory
[master 1eaf8cc] apple first version
 1 file changed, 2 insertions(+)
 create mode 100644 apple.txt

Administrator@F4HFJA67XY3IIM1 MINGW64 /c/gitExercise/weChat (master)
$ git reflog
1eaf8cc (HEAD -> master) HEAD@{0}: commit: apple first version
c910cf5 HEAD@{1}: reset: moving to c910cf5
3391c9c HEAD@{2}: commit: first version
8378fbc HEAD@{3}: reset: moving to HEAD~3
c910cf5 HEAD@{4}: reset: moving to c910cf5
8378fbc HEAD@{5}: reset: moving to HEAD^^
612e2b1 HEAD@{6}: reset: moving to HEAD^
c910cf5 HEAD@{7}: reset: moving to c910cf5
da7f613 HEAD@{8}: reset: moving to da7f613
c910cf5 HEAD@{9}: commit: fourth version
612e2b1 HEAD@{10}: commit: third version
da7f613 HEAD@{11}: commit: Second Version,modified
8378fbc HEAD@{12}: commit (initial): My First commit new file

Administrator@F4HFJA67XY3IIM1 MINGW64 /c/gitExercise/weChat (master)
$ rm apple.txt

Administrator@F4HFJA67XY3IIM1 MINGW64 /c/gitExercise/weChat (master)
$ git add apple.txt

Administrator@F4HFJA67XY3IIM1 MINGW64 /c/gitExercise/weChat (master)
$ git status
On branch master
Changes to be committed:
  (use "git restore --staged <file>..." to unstage)
        deleted:    apple.txt


Administrator@F4HFJA67XY3IIM1 MINGW64 /c/gitExercise/weChat (master)
$ git reset --hard 1eaf8cc
HEAD is now at 1eaf8cc apple first version

Administrator@F4HFJA67XY3IIM1 MINGW64 /c/gitExercise/weChat (master)
$ ll -l
total 2
-rw-r--r-- 1 Administrator 197121 14  9月 14 19:24 apple.txt
-rw-r--r-- 1 Administrator 197121 98  9月 14 19:22 good.txt

Administrator@F4HFJA67XY3IIM1 MINGW64 /c/gitExercise/weChat (master)
$