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The users of the version control system can branch any branch. Branches are also known as trees, streams or codelines. The originating branch is sometimes called the parent branch, the upstream branch (or simply upstream, especially if the branches are maintained by different organizations or individuals), or the backing stream.
Git supports rapid branching and merging, and includes specific tools for visualizing and navigating a non-linear development history. In Git, a core assumption is that a change will be merged more often than it is written, as it is passed around to various reviewers. In Git, branches are very lightweight: a branch is only a reference to one ...
This technique is used by the Git revision control tool. (Git's recursive merge implementation also handles other awkward cases, like a file being modified in one version and renamed in the other, but those are extensions to its three-way merge implementation; not part of the technique for finding three versions to merge.)
In source code management master may refer to the trunk branch. In disk imaging the gold master is the version which will be released to manufacturing for duplication. A Parallel ATA (aka IDE) hard drive interface supports two hard drives on a cable, which are designated master and slave. The distinction is required by the interface even though ...
The packaging of commits, branches, and all the associated commit messages and version labels, improves communication between developers, both in the moment and over time. [21] Better communication, whether instant or deferred, can improve the code review process, the testing process, and other critical aspects of the software development process.
Experiments maintain a link to the commit in the current branch (Git HEAD) [31] as their parent or baseline. However, they do not form part of the regular Git tree (unless they are made persistent). [32] This stops temporary commits and branches from overflowing a user's repository. Common use cases [33] for experiments are:
[1] [2] [3] Git, the world's most popular version control system, [4] is a distributed version control system. In 2010, software development author Joel Spolsky described distributed version control systems as "possibly the biggest advance in software development technology in the [past] ten years".
In the Git version control system a changeset is called a commit, [1] not to be confused with the commit operation that is used to commit a changeset (or in Git's case technically a snapshot [1]) to a repository. [6]