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There is a variety of good information about Git available online, including:

• The official Git documentation, which includes both a tutorial and a complete reference manual with links to individual subcommand documentation.
• Pro Git is an excellent free online book.

Getting Started

Getting help

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You can also use git diff to see the changes between arbitrary revisions of your project:

• Changes in working copy vs. previous commit:

  Code Block
  git diff <commit>

-Changes between two previous commits:

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To resolve the conflict manually:

• Edit the conflicting files as necessary.

To discard your changes (and accept the remote repository version):

• run git checkout --theirs README

To override the repository with your changes:

• run git checkout --ours README

When you complete the above tasks:

• add the files with git add
• commit the changes with git commit.

Log, Tags, and Branches

Viewing history

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Git has explicit support for tagging and branching.

• git tag manipulates tags
• git branch and git checkout manipulate branches

Tags

Create a tag:

$ git tag [-a] TAGNAME

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Git is not really just like Subversion (or most other version control solutions). That's mainly because of the git "index".

• The index is a staging area between your working copy and your local repository.
• git add adds files to the index
• git commit commits files from the index to the repository.

The diff commands uses the index:

• git diff is the difference between your working copy and the index.
• git diff HEAD is the difference between your working copy and the local repository.
• git diff --cached is the difference between the index and the local repository.

Refer back to this illustration if you get confused:

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Git can integrate with other version control systems.

• It can act as a Subversion client (may be the only Subversion client you ever need).
• Can import a CVS repository.

Integrating w/ Subversion

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$ export CVSHOME=:pserver:anonymous@example.com
$ cvs login
$ git cvsimport -o cvs_head -C my-project

Git Frontends

The git wiki has a list of frontends for git.