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git-checkout:tldr:0f654
The command "git checkout -b ${branch_name} ${reference}" is used in Git to create a new branch and switch to that branch in a single operation. Here is an explanation of each part of the command:
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"git checkout": This is the main command in Git that allows you to switch between different branches or commits.
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"-b": This is a flag in the "git checkout" command that instructs Git to create a new branch.
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"${branch_name}": This is the placeholder for the name of the new branch you want to create. You should replace "${branch_name}" with the actual name you want to give to the branch.
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"${reference}": This is the placeholder for the reference point from which the new branch will be created. It can be another branch or a commit. You should replace "${reference}" with the actual name of the reference point you want to use.
So when you run the command "git checkout -b ${branch_name} ${reference}", Git will create a new branch with the name specified in "${branch_name}" and make it point to the same commit as the reference point specified in "${reference}". After creating the branch, Git switches to that new branch, so you can immediately start working on it.