Git/branch

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A "branch" is a separate copy (of the files involved in a project) which can be worked on without affecting the original copy.

"Branching" is a concept basic to most version control systems.

Commands

Information:

  • git branch lists local branches
  • git branch -r lists the remote branches
  • git branch -a lists both local and remote branches

Actions:

  • git branch <name> creates a new branch called "name", pointing at the current HEAD revision
  • git checkout <name> moves HEAD to point to the branch called "name"
    • Note: git checkout -b <name> accomplishes both of the above in a single command
  • git branch -d <branch name> to delete a branch
    • Note: must be in a different branch

The basic sequence of events for creating a new branch called "test", updating it, then reverting back to the original branch:

  • git branch test - create the branch
  • git checkout test - switch to it
  • stage whatever changes you want to include in "test"
    • This can include adding any new files you've created for this branch.
  • git commit -a -m 'made a change' - commit the change to "test"
  • git checkout master - switch back to the main branch (removes new files, restores any you deleted)

Links

Reference