Git learning Diary < a >

Git Starts from scratch

thePost-installation configuration
git config--global user.name "Your name"
git config--global user.email "Your Email"

No.2Create a repository initialization
Go to target directory
GIT init//Initialize a repository

Add a file in two steps:
git add <filename>//Add Files
Git commit//Commit

No.3Current state of the warehouse
git status

View the contents of a file modification
git diff <filename>
Workingtree working directory: Git can know all the changes in the working directory
The index Add command submits the Workingtree to index
Commit is finally submitted to the warehouse
git diff <filename> see the difference between working directory and index
git diff--cached <filename> See the difference between index and commit
git diff HEAD <filename> See the difference between Worktree and commit

No.4Review the history of submissions to determine which version to fall back to
git log
git log--pretty=oneline//Line display

Fallback version
git reset--hard head^//Last version
git reset--hard head^^//On the first version and so on
git reset--hard head~100//up to 100 versions

Git reset--hard < version number >//fallback to version number

git reflog View the command history to determine which version of the ' Future '

No.5Undo Changes
① when not add to staging area
Git checkout--<filename> undo workspace modifications Recover from repository
② when already add to staging area
git reset HEAD <filename> Restore from staging area to workspace
Then checkout
③ when a commit is made to a repository
Fallback version
No.6deleting files
git rm removed from working directory
Git commit to Repository

Undo Delete
When there is no commit:
Fallback version git reset HEAD--helloworld.py
Git checkout--helloworld.py

Already commits:
Entire repository fallback git reset-hard head^
No.7Remote Warehouse
Create SSH key
Ssh-keygen-t rsa-c "[Email protected]"

The. SSH directory found in the user's home directory with Id_rsa and id_rsa.pub two files
Log on to GitHub, open the "Account Settings", "SSH Keys" page,
Then, click "Add SSH Key" and fill in any title,
Paste the contents of the Id_rsa.pub file in the key text box

To associate a remote library, use the command:
git remote add origin [email protected]:p ath/repo-name.git;
When associated, use the command
Git push-u Origin Master
For the first time, all content of the master branch is pushed;
Thereafter, after each local commit, you can use the command whenever necessary
Git push Origin Master
Push the latest changes;

Cloning from a remote library
git clone [email protected]:<username>/<repo-name>.git

No.8Branch Management

GIT encourages the use of branching:

View branches: Git branch

Create a branch: Git branch <name>

Switch branches: git checkout <name>

Create + switch branches: git checkout-b <name>

Merge a branch to the current branch: git merge <name>

Delete branch: Git branch-d <name>

Git learning Diary < a >