git 學習筆記

$ git init

initialized empty git repository in /users/coconutnut/tree/midgard/localgit/.git/

$ git add test.txt

$ git commit -m"the first test.txt"

$ git status

on branch master
changes not staged for commit:
(use "git add ..." to update what will be committed)
(use "git checkout -- ..." to discard changes in working directory)
modified:   test.txt
no changes added to commit (use "git add" and/or "git commit -a")

$ git diff test.txt

diff --git a/test.txt b/test.txt
index 990931d..a20531f 100644
--- a/test.txt
+++ b/test.txt
@@ -1 +1,3 @@
-test localgit
+git is a distributed version control system.
++git is free software.
\ no newline at end of file

檢視日誌

$ git log

commit f5fa5b8fece043af1df9ee1148318ce286c5a913 (head -> master)
author: s xu date:   tue jul 2 11:06:23 2019 +0800
the second test.txt
commit eb531336ab4ad344612448cb067b3c366d61e484
author: s xu date:   tue jul 2 11:01:35 2019 +0800
the first test.txt

$ git log --pretty=oneline

f5fa5b8fece043af1df9ee1148318ce286c5a913 (head -> master) the second test.txt
eb531336ab4ad344612448cb067b3c366d61e484 the first test.txt

$ git reset --hard head^

head is now at eb53133 the first test.txt

這時就是第乙個版本了如果想回到上上個版本就是head^^,以此類推，但是我們要會推到好幾十前的版本或者上100個版本時，別擔心，你可以寫成head～100。

$ git reset --hard f5fa5b8

head is now at f5fa5b8 the second test.txt
$ cat test.txt
git is a distributed version control system.
git is free software.ss-macbook-pro:localgit coconutnut$

$ git reflog

f5fa5b8 (head -> master) head@: reset: moving to f5fa5b8
eb53133 head@: reset: moving to head^
f5fa5b8 (head -> master) head@: commit: the second test.txt
eb53133 head@: commit (initial): the first test.txt

$ git ls-files

test.txt

$ git rm test.txt

rm 'test.txt'

$ git config --global user.name "coconutnut"

$ git config --global user.email "[email protected]"

$ ssh-keygen -t rsa -c "[email protected]"

$ cat .ssh/id_rsa.pub

…驗證鏈結

$ ssh -t [email protected] 

hi coconutnutx! you've successfully authenticated, but github does not provide shell access.

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