Essentials of scm
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Software configuration management (SCM) is used to manage changes to software projects. It provides structure to identify and control documentation, code, interfaces and databases throughout the development lifecycle. SCM ensures safety, stability, control, auditability, reproducibility and traceability of projects. It uses version control to track revisions of files and enables features like branching to allow parallel development and isolation of changes.
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Essentials of scm
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Editor's Notes
- In software development, change is constant. Change requests come from a variety of sources. If not managed, change can overwhelm a project.
- A successful SCM effort ensures: Safety — Ability to recover from failure and to prevent unauthorized use. Stability — Ability to create stable, user-controlled workspaces. Control — Ability to enforce appropriate project-specific workflow controls. Auditability — Ability to know what is included in a particular build. Reproducibility — Ability to mark milestones and reconstruct configurations. Traceablity — Ability to identify and reconstruct particular versions of a software product. Scalability — Ability to support small and large projects as well as distributed development.
- Each time you check in a file or directory that is under source control, SAW creates a new version of it. The versions represent the history of the element's evolution through each stage of its development. You can access any previous version of an element.
- Parallel development allows multiple users to access the same sources without competing for checkouts. Work can continue simultaneously on various branches and later be integrated. Examples of parallel development efforts, or branches, might include: Current development branches Maintenance branches Port branches Feature branches Experimental branches