How to edit a commit message

what you need to do is go to your repository  and type this in your command line:



  git commit --amend



Then in your text editor you can put the new commit message.

Good Luck And Happy Hacking!!!

Git push force

Sometimes, it is  necessary to performed a push force in our repositories, but you need to be really careful because this action will overwrite all, so you need to know what you are doing.

This is the code:

git push -f <remote> <branch>

e.g
git push -f origin my_new_feature

Git: How to rename a branch

To rename a branch created locally, what you need to do is:

• First, go to the branch you want to rename:

git checkout my_branch_1

• then, rename your current branch by typing the following command:

git branch -m my_new_name_branch_2

if you display all branches (git branch) you will in green color the new name of your branch

GIT: How to delete last commit?

To undo or delete a commit previously done, just type the following command in your console:


git reset --hard HEAD~1

How to install GIT on Ubuntu from command line

To install GIT on Ubuntu what you have to do is following these steps:

1.  Type this command on your terminal:

sudo apt install git



      2. Add your configuration:


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

The most usefull GIT Commands

These are the most common GIT commands

• Create an empty repository

  
      git init
   

• Staging your changes

  
     git add
   

• If you are your  root directory , I mean myapplication/ you can use the paramter -A to stage all changes in one execution.

  
     git add -A
   

• Putting you changes in your local repo

                  git commit

  
    git commit
   

• If you want to add a message in your commit you can use the parameter  -m

  
   git commit -m "login fixed"
   

• Switching between branches

  
   git checkout develop
   

• Creating a new branch

  
   git checkout -b MyNewBranch
   

• Adding new remote

  
   git remote add origin https://github.com/plataformatec/devise.git
   

• Saving your changes to the remote repo  

  
     git push origin develop
   

• Pull down new changes

  
     git pull origin develop
   

How to remove remote origin URL from git repository

To remove a remote URL from GIT, you must  use the command git remote remove.

Here is an example:

  
     git remote remove origin
  

or you can use:

  
    git remote rm origin
  

How to rename a tag in GIT

In this post, I will teach you how to rename a tag in git.

Actually, it is pretty easy.


I am going to rename the tag called myOldTag to myNewTag.

Step 1: we create an alias called "myNewTag"

  
     git tag myNewTag myOldTag

  

Step 2: we delete the myOldTag  tag locally

  
     git tag -d myOldTag

  

Step 3: we tell to git repository that myoldTag has been deleted

  
     git push origin :refs/tags/myOldTag

  

Step 4: we save the changes on GIT

  
     git push --tags