Git rebase tab completion

The cursor blinked. You typed git rebase, but the branch name refused to appear.

Git rebase tab completion is a small detail that can save minutes every day. With complex histories, dozens of active branches, and frequent rebasing, manual typing wastes focus. Tab completion turns branch selection into a single keystroke, reducing typos and cognitive load.

Most shells support Git auto-completion. Bash and Zsh are the most common. For Bash, install the official git-completion.bash script from the Git project. Place it in ~/.git-completion.bash and source it in your ~/.bashrc:

source ~/.git-completion.bash

For Zsh, enable autoload -Uz compinit && compinit in .zshrc and use git completion from a package manager like Homebrew:

brew install git

Homebrew installs share/git-core/contrib/completion/git-completion.zsh. Source it in your .zshrc:

source /usr/local/share/git-core/contrib/completion/git-completion.zsh

Once loaded, git rebase <tab> instantly lists branches. This is especially useful with interactive rebases:

git rebase -i <tab>

Tab completion works for remote branches too. Keep completion lists clean by pruning stale branches:

git fetch --prune

If your completion feels slow, check for large repos and optimize with partial clone or shallow fetch to reduce branch metadata.

Efficient Git workflows depend on frictionless commands. Enabling Git rebase tab completion is a low effort, high reward configuration. Streamline your rebase process, focus on resolving conflicts, and stop wasting time on branch names.

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