Git: Commit Files

By Xah Lee. Date: . Last updated: .

After you made some change to files, you need to do the following steps, in order:

  1. Add the file to staging area.
  2. Commit staging area (files) into (local) repository.

Then, optionally, you can git push to a remote repository. [see Git: Push to Server]

When using git, you should always cd to your project dir first.

How to commit a change?

After you made changes to the file, then you can commit your changes to local repository. To commit:

  1. cd xProjectDir
  2. git add xfilename
  3. git commit xfilename -m "summary_of_what_changed"

Any file you want to commit, you must first git add, even if the file already exists in the repository.

The git add command basically means add it to the “index” file. The purpose of “index” is for next commit. This “index” file is also called “staging area”.

More examples of git add:

git add file1 file2 file3
several files.
git add .
all files in current dir.
git add -A .
all files in current dir, including new or deleted file/dir

The -A option will include any new files in your dir, or files you deleted. Basically, it adds your working dir.

How to unadd a file?

How to delete a file or dir?

Use the git rm command, then do commit.

git will delete the files/dir for you.

If you already deleted the files, you can still call git rm to update the staging area, then do a commit.

With git, you normally never use git rm command. You simply {delete, add, change} files on your dir in your normal work flow. When all's good, simply git add -A ., then do a commit. Git automatically take care of removed files, or files that have changed name.

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