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Version Control in Project

Last Updated : 17 Mar, 2023
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The procedures and tools are combined by the version control to manage different versions of configuration items that are created during the software engineering process. It is the process of managing and tracking changes to code, documentation, and other project assets over time. Version control systems (VCS) provide a centralized repository where developers can store their code and manage changes to it. A version of the software is a collection of software configuration items (source code, documents, data). Each version may be consist of different variants. We will discuss the importance of version control in project.

  1. Collaboration: VCS allow developers to collaborate efficiently by providing a central repository where they can share code, track changes, and resolve conflicts. Multiple developers can work on the same project simultaneously without interfering with each other’s work.
  2. Code Management: VCS provides a structured way to manage code by maintaining a history of changes, which can be rolled back or restored as required. It also provides a backup mechanism in case of accidental deletion or corruption of files.
  3. Quality Assurance: Version control enables developers to track and review changes to code, ensuring that all changes are well-documented and tested before merging into the main codebase. This helps to maintain code quality and reduce the risk of introducing bugs into the software.
  4. Code Reusability: Version control systems facilitate code reuse by enabling developers to track and manage code snippets, libraries, and other components that can be reused across multiple projects.
  5. Branching and Merging: VCS enables developers to create branches, which are copies of the codebase that can be modified independently. Branches can be used for testing new features or experimenting with new ideas without affecting the main codebase. Merging is the process of integrating changes from a branch back into the main codebase.
  6. Project Management: Version control systems provide a structured way to manage projects by enabling developers to track changes, assign tasks, and monitor progress. It also facilitates project planning by providing a clear view of the project’s history and status.
  7. Continuous Integration and Deployment: Version control systems are integral to the continuous integration and deployment (CI/CD) process, which automates the testing and deployment of code changes. VCS enables developers to merge code changes automatically into the main codebase, trigger automated tests, and deploy changes to production environments.

 Version control activity is divided in four sub-activities-

  1. Identifying New Versions : A software configuration item (SCI) will receive a new version number when its baseline has changed. Each previous version will be stored in a compatible directory like version 0, version 1, version 2 etc.
  2. Numbering Scheme : The numbering scheme will have the following format-
version X.Y.Z .... 
  1. The first letter (X) denotes the entire SCI. Therefore, changes made to the entire configuration item, or changes large enough to warrant a completely new release of the item, will cause the first digit to increase. The second letter (Y) Denotes a component of the SCI. This digit will sequentially increase if a change is made to a component or small changes to multiple components. The third letter (Z) denotes a section of the component of a SCI. This number will only be visible if a component of an be divided into individual sections. Changes made at this level of detail will need a sequential change of the third digit.
  2. Visibility : The version number can be viewed in a frame, or below the title. The decision for this depends on the decision of the group to code all documents for a frame enabled browser or allow for a non-frame enabled browser. In either case, the number will always be made available.
  3. Tracking : The best way to keep track of the different versions list is with the version development graph shown in figure. For example, if we required to keep track of every updated project schedule then we could assign a version number each time a change was made.

Here’s an example of using Git for version control:

Ruby




# Create a new repository
$ git init myproject
 
# Add files to the repository
$ cd myproject
$ touch README.md
$ git add README.md
$ git commit -m "Initial commit"
 
# Make changes and commit again
$ echo "Hello, world!" > README.md
$ git commit -am "Add greeting"
 
# Create a new branch for a feature
$ git checkout -b feature-1
$ echo "How are you?" >> README.md
$ git commit -am "Add question"
 
# Switch back to the main branch and merge changes
$ git checkout main
$ git merge feature-1


This example shows how Git can be used to manage changes and collaborate with others. By using version control, teams can focus on building software instead of worrying about losing progress or introducing conflicts.



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